Groundwater Assessment Report at McMahons Builders Providers, Dock Road, Limerick (October 2017)

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1 LICENCE REFERENCE No. RISK ASSESSMENT METHODOLOGY STAGE & STEP REPORT VERSION P Stage 1 Step 3 Final Groundwater Assessment Report at McMahons Builders Providers, Dock Road, Limerick (October 2017)

2 Stage 1 Groundwater Assessment Report Project Title: Groundwater Assessment Report Licence No. Project No: P Contract No. Stage 2 Report Ref: Groundwater Assessment Report October 2017 Status: Client: Final James McMahon Ltd Client Details: McMahons Building & Home Improvement Centre, Corcanree, Dock Road, Limerick. Issued By: Verde Environmental Consultants Ltd. Document Production / Approval Record Prepared by (consultant) Name Signature Date Position Kate Corcoran Environmental Consultant % Input 50 Checked By (consultant( Cyril Tynan Senior EHS Consultant 40 Approved by (consultant) Kevin Cleary Project Director 10 Site Approval by John Keane John Keane Site Manager N/A McMahons Limerick P October 2017

3 Stage 1 Groundwater Assessment Report LIMITATIONS This report represents the results of the groundwater assessment works conducted at the above referenced site. Best practice was followed at all times and within the limitations stated; works were undertaken according to budgetary considerations. This report is the property of Verde Environmental Consultants Limited and cannot be used, copied or given to any third party without the explicit prior approval or agreement of Verde Environmental Consultants Limited. The report format is a brief update version based on the 2013 EPA document, Guidance on the Management of Contaminated Land and Groundwater at EPA Licensed Sites. McMahons Limerick P October 2017

4 Stage 1 Groundwater Assessment Report TABLE OF CONTENTS EXECUTIVE SUMMARY INTRODUCTION PROJECT CONTRACTUAL BASIS & PERSONNEL INVOLVED BACKGROUND INFORMATION SCOPE OF WORK SITE DETAILS & HISTORICAL ACTIVITIES SITE DESCRIPTION HISTORICAL ACTIVITIES & CHEMICALS OF POTENTIAL CONCERN SUMMARY OF PREVIOUS FINDINGS EPA CONSULTATION MONITORING SURVEY JULY GROUNDWATER SAMPLING PROTOCOL GROUNDWATER SAMPLE ANALYSIS ASSESSMENT CRITERIA SURVEY RESULTS JULY GROUNDWATER LEVELS GROUNDWATER RESULTS SUMMARY & CONCLUSIONS SUMMARY DISCUSSION FINAL COMMENTS & RECOMMENDATIONS McMahons Limerick P i October 2017

5 Stage 1 Groundwater Assessment Report FIGURES FIGURE 1 SITE LOCATION MAP FIGURE 2 SITE LAYOUT MAP FIGURE 3 SITE CONCEPTUAL SITE MODEL / CROSS SECTION FIGURE 4 GROUNDWATER CONTOUR MAP TABLES TABLE 1 GROUNDWATER RESULTS PETROLEUM HYDROCARBONS TABLE 2 GROUNDWATER RESULTS PAHS & PHENOLS TABLE 3 GROUNDWATER RESULTS PHTHALATES & SVOCS TABLE 4 GROUNDWATER RESULTS - GENERAL PARAMETERS, IONS & PESTICIDES APPENDICES APPENDIX A DISPOSAL RECORDS APPENDIX B LABORATORY CERTIFICATES McMahons Limerick P ii October 2017

6 Stage 1 Groundwater Assessment Report EXECUTIVE SUMMARY Verde Environmental Consultants, (VEC) was commissioned by James McMahon Ltd (JMML) to undertake groundwater monitoring at the McMahon Builders Providers site at Corcanree, Dock Road, Limerick. JMML intend to surrender their IPC Licence (P ) relating to historical timber treatment activities. On 24 th July 2014 an on- site meeting was agreed with the EPA to discuss the surrender of the licence; a number of items were discussed which have been progressed and are detailed in this report. The site is located in Corcanree, Dock Road, Limerick City in an industrial and commercial zone. The River Shannon, which is tidally influenced and forms part of an SAC and SPA, is located within 50m of the northern boundary of the site. A number of previous site investigations were undertaken by Verde during between January 2013 and September Previous assessments indicated that soil quality was of acceptable standard for commercial use and some groundwater contamination was encountered which is related to historical activities. Based on groundwater monitoring undertaken on 20th July 2017, the following summary applies: Contaminants associated with historical activities remain evident on site in all wells to some degree but most evident in MW102, which is located centrally in the former treatment area. Contaminants included hydrocarbon contamination and pesticides Propiconazole and Tebuconazole. No other pesticides however are being detected in any well. Dissolved metals are also high in MW102 indicating localised reduced hydrochemical conditions. Up-gradient MW101 contains some lower level contamination, which may also be related to timber treatment activities and possibly some petroleum contamination may be due to small operational losses from a diesel tank nearby for site machinery. Low concentrations of two pesticides Propiconazole and Tebuconazole are also present in MW103, the most down-gradient well. No other significant contamination is being observed in this well. Hydrochemical results suggest that biodegradation of historical hydrocarbons contamination is actively occurring. Previous risk assessments identified the following pollutant linkages which remain relevant: o o o A very low risk to buildings & adjacent properties. A low risk to the River Shannon SPA & SAC. A low risk of impact to the underlying bedrock aquifer. Based on findings, it may be concluded that conditions are stable and the McMahons Limerick site poses a low risk to environmental and human health receptors. Verdé consider it appropriate to progress the licence surrender process which will include the completion of an independent closure audit of the facility, the scope of which will need to be agreed in writing with the EPA. McMahons Limerick P October 2017

7 Stage 1 Groundwater Assessment Report Site Conceptual Site Model (CSM) / Cross Section (see Figure 2 & 3 for further details) McMahons Limerick P October 2017

8 Stage 1 Groundwater Assessment Report 1 INTRODUCTION 1.1 Project Contractual Basis & Personnel Involved Verde Environmental Consultants, (VEC) was commissioned by James McMahon Ltd (JMML) to undertake groundwater monitoring at the McMahon Builders Providers site at Corcanree, Dock Road, Limerick. This groundwater survey was requested in order to commence licence closure procedures at the site. Site works and reporting were completed by Kate Corcoran and Cyril Tynan. Kate is an environmental scientist with a geology background and over six years experience in environmental and engineering consultancy. Cyril is a Senior Consultant with over 18 years environmental consultancy experience, and previous experience of this site. The report was reviewed by Kevin Cleary a Director with Verde with 20 years experience in environmental consultancy. The water analysis was undertaken by Jones Environmental Laboratory, a UKASaccredited laboratory in the UK for chemical analysis. 1.2 Background Information The work brief forms part of the IPPC licence surrender process for IPPC licence P Previous site investigations were undertaken by Verde during January 2013, May 2013, April 2014 and September The current scope of work has been requested to provide further information on the contamination status and potential risks associated with the site, in order to commence licence closure at the facility. The suite of tests is based on a review of the compounds historically in use at the facility and also considers the findings of previous assessments. In 2014 EPA inspector John Doheny also requested that tests be undertaken to determine if CCA (Copper Chromium Arsenic) is present in groundwater. There are no reports of CCA being used at the McMahon s facility but this chemical is commonly used in timber treatment facilities. 1.3 Scope of Work In order to complete the assessment and meet the objective of the Agency s instruction, the following scope of works was completed: Groundwater sampling of the three monitoring wells on site. Groundwater level monitoring. Analysis of samples for chemical pollutants and also parameters to describe groundwater chemistry. McMahons Limerick P October 2017

9 Stage 1 Groundwater Assessment Report 2 SITE DETAILS & HISTORICAL ACTIVITIES 2.1 Site Description The site is in a commercial zone at Corcanree, Dock Road, Limerick covering an area of approximately 3.7 hectares and the (former) timber treatment plant is located in the rear part of the site in a roofed area between two adjacent buildings. The timber treatment plant remains unused on site and consists of a number of vessels for storage and mixing in a covered bund. Previous desk study and site investigations indicate that the site is underlain by made ground in the upper 2.3m and underlying soils consist of clayey estuarine silts. Bedrock was not encountered up to a maximum drilled depth of 5m. The GSI categorise the geology beneath the site to be Dinantian Pure Bedded Limestones and the underlying aquifer as a locally important aquifer of low vulnerability. The River Shannon, which is tidally influenced and forms part of an SAC and SPA, is located within 50m of the northern boundary of the site. A well search for the area indicates that there is a well approximately 1.5km south east of the site. There are no wells between the site and the River Shannon. A groundwater level survey completed at the site has calculated the groundwater flow to be in a north north westerly direction. 2.2 Historical Activities & Chemicals of Potential Concern A review of files indicates that the primary timber preservative chemical in use was Protim E415 and another similar product Protim E406 was also used. Based on published chemical reference data and also Materials Safety Data Sheets available from Protim Abrasives, these are pale yellow liquids and hazardous components include: Propiconazole and Tebuconazole; M-Phenoxybenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate (Permethrin); Terpene Alcohols; Ethoxylated Alcohols and Alkylamine Ethoxylates; Alkyl Tertiary Amines. Another product in use on site was IBC Woodbor WB. The active ingredient in this product was disodium octoborate tetrahydratem. This ingredient is classed as non-hazardous and breaks down naturally into boron and sodium which also occur naturally in the environment. Based on a review of records there is no evidence of Chromated Copper Arsenate (CCA) being used at this facility. An analysis of Chromium, Copper and Arsenic has however been completed during the last two assessments to investigate for residues of potential historical use. McMahons Limerick P October 2017

10 Stage 1 Groundwater Assessment Report 2.3 Summary of Previous Findings Previous site investigations were undertaken by Verde between January 2013 and September 2014 and overall findings were presented in Verde Report (Ref and ). The main points are summarised as follows: Some soil contamination was encountered during drilling in 2013 but soil sample concentrations were below relevant generic assessment criteria for commercial land use. Three permanent monitoring wells are on site; MW101, MW102 and MW103. Groundwater monitoring in 2013 and April 2014 showed localised evidence of contamination primarily due to Boron, Sodium, hydrocarbons, low level BTEX and PAHs at the site. Some product related pesticides propiconazole and tebuconazole were detected in MW102 in April 2013 but none were detected in May Organic contaminants such as Petroleum hydrocarbons and PAHs were identified most notably in MW101 which is the most up-gradient monitoring well, contamination levels were considerably reduced, in most cases undetectable at the most down-gradient location MW103. Hydraulic conductivity (K) was measured to range from 0.92m/day (MW103) and 1.36m/day (MW101). Groundwater flow direction was measured to be in a north-north westerly direction towards the River Shannon. Contaminants associated with historical activities seem most evident in MW102 which is located centrally in the former treatment area. In September 2014, up-gradient MW101 contained some low level contamination which may also be related to timber treatment activities and possibly some petroleum contamination may be due to small operational losses from a diesel tank nearby for site machinery. This diesel tank was subsequently re-located into the bund associated with the former treatment plant. In September 2014, no significant chemicals of potential concern were being observed in MW103, the most down-gradient well. It was concluded that in general, groundwater quality has improved between 2013 and 2014 and that contamination levels are quite localised for the various parameters measured. The risks associated with the site based on identified pollutant linkages are summarised as follows: o o o A very low risk to buildings & adjacent properties. A low risk to the River Shannon SPA & SAC. A low risk of impact to the underlying bedrock aquifer. McMahons Limerick P October 2017

11 Stage 1 Groundwater Assessment Report 2.4 EPA Consultation JMML requested a meeting with the EPA in preparation for the closure and licence surrender process for the site and on 24 th July 2014 an on- site meeting was agreed. Present at the meeting were John Doheny - EPA Inspector, John Keane - Aeon Property Consultants Limited (on behalf of JMML) and Cyril Tynan of Verdé. The table below provides a summary of items discussed together with current updates. Table 2.1 Items discussed with EPA and current update ITEM UPDATE Additional monitoring required in 2014 to include analysis This was completed in 2014 and repeated again in for CCA. Results do not indicate a CCA issue and there is no record on site of CCA used historically. All the treatment chemicals must be removed from the site All of the treatment chemicals were removed and shipped as part of the decommissioning process, including wash for use at Rafferty Roof Truss Limited, 169a Agivey Road, waters resulting from the cleaning down of the tanks etc. Aghadowey, ColeraineBT51 4AB. The first shipment was conducted on (26No IBC s) and the second shipment was on (7 IBC s - six full and one half full). JMML to decommission the in-site treatment plant. The As all plant has been emptied of cleaning solutions it is now Agency agreed that the plant could be removed from its proposed to decommission and store in the adjoining current location and stored in the adjoining warehouse beside the decommissioned plant moved there from warehouse. Dublin. The material in the tanks beside the bund must be tested Three drums containing liquid were tested on site in and disposed of appropriately. September Drum 1 (Green) and Drum 2 (Black) contained primarily clean water so contents were disposed of in the site foul water system. Drum 3 (red) contained an oily material and considering its volume < 50L, it was brought to a local civic amenity centre in Limerick for disposal. (see Appendix A Disposal Records) The debris in the bund must be carefully sorted and This material was disposed of by Tereco Ltd, an approved disposed of appropriately. waste management company (see Appendix A Tereco letter 27 th September 2017) The licensee said that the diesel oil refuelling tank would be Being completed moved to the loading/drag out area of the bund following removal of the tracks and cleaning out of the bund. Operators must be instructed to store the refuelling nozzle within the bund. McMahons Limerick P October 2017

12 Stage 1 Groundwater Assessment Report 3 MONITORING SURVEY JULY Groundwater Sampling Protocol Groundwater sampling was undertaken on 20 th July 2017 by Verde personnel in accordance with standard sampling protocols. The groundwater sampling protocol involved purging three well volumes of water from the monitoring well prior to sampling to ensure that the sample collected is representative of the groundwater contained in the aquifer material surrounding the well. In addition, appropriate measures were taken to prevent cross contamination between sampling locations (e.g. use of dedicated submersible pumps, tubing or bailers, change of sampler's gloves between sampling locations). Samples were collected in glass containers with glass vials with septa used to prevent any headspace loss for VOC analysis. The groundwater samples were stored in chilled cool boxes and dispatched for overnight delivery to an accredited laboratory, Jones Environmental Laboratory in the UK. Sample analysis details are outlined in the laboratory certificates included in Appendix B. 3.2 Groundwater Sample Analysis All water samples were taken as per the monitoring protocol above and analysed for parameters as outlined in the sample inventory presented in Table 3.1. Benzene Toluene Ethylbenzene & Xylene (BTEX) Semi Volatile Organic Compounds (SVOCs) Table 3.1 Sampling Outline PARAMETER RATIONALE SAMPLE DETAILS Pesticides specifically Permethrin, Tebuconazole and Propiconazole Sodium & Boron (by products of disodium octaborate) TPH (Criteria Working Group) Total Organic Carbon Copper, Chromium & Arsenic (possible CCA preservative chemicals). Anions: Sulphides, Nitrate, Nitrite Chloride, Sulphate Cations: Calcium, Magnesium, Sodium, Ferrous Iron, Total Iron and Manganese Alkalinity ph Compounds associated with chemicals of potential concern (COPC) in the timber treatment solutions and other possible related activities on site. Test for possibility of historical contaminant Indicators of chemical oxidative state and degradation processes in operation. Provides information on the conditions supporting natural attenuation of any contamination present. 3 groundwater samples McMahons Limerick P October 2017

13 Stage 1 Groundwater Assessment Report 3.3 Assessment Criteria In order to assess the groundwater analyses results with regard to potential risks to human health and/or environmental receptors, Verde have compared groundwater results with four main assessment criteria values as follows: EPA Guidance on Authorisation of Discharges to Groundwater, 2011 This document was published by the EPA in December 2011 to provide guidance on the protection of discharges to groundwater and incorporates the requirements of the Water Framework Directive (2000/60/EC) (WFD) and the Groundwater Directive (2006/118/EC) (GWD). This guidance addresses both direct and indirect discharges (inputs) to groundwater which can originate from various sources of potential pollution including industrial/commercial releases. Where necessary, reference criteria have been updated in accordance with more recent legislation: Parametric Values (PV) under S.I. 122 of 2014 and Groundwater Regulation Threshold Values under S.I. 9 of 2010 & S.I. 366 of It is noted that the comparison of groundwater analytical results with the groundwater or drinking water regulations may not be representative of actual risk but are used as a guide to the potential risks posed. EPA Interim Guideline Values (IGVs) In 2003, the EPA published the interim report Towards Setting Guideline Values for the Protection of Groundwater in Ireland Interim Report. The document presents proposals for the setting of environmental quality objectives and standards for groundwater through the use of guideline values. In the absence of published criteria for good groundwater chemical status and to provide a consistent framework for the characterisation of groundwater in Ireland, the document proposes a list of interim guideline values (IGVs) for groundwater. The values are to be used to assist with the characterisation of groundwater bodies and to establish the need for additional investigations or further actions in the event of the guideline values being exceeded. The document does not propose restoration target values or clean up levels for groundwater, although the published IGVs can be used as an example of good groundwater chemical status. World Health Organisation (WHO) 2008 These guidelines were developed to assess risks following petroleum contamination impacts to drinking water. The guidelines updated previous guidance of 2005 and provided a means of assessing the potential health risks of individual hydrocarbon components following contamination of drinking-water by petroleum products. The generic assessment criteria listed above are not representative of actual risk for the site but provide useful conservative reference in identifying potential contamination issues associated with the site and provide a scientifically based understanding of the possible pollutant linkages. Historical monitoring results are also included for comparison. McMahons Limerick P October 2017

14 Stage 1 Groundwater Assessment Report 4 SURVEY RESULTS July Groundwater Levels Groundwater sampling was undertaken on the 20 th July Topographic levels are taken from the previous report as a new survey was not undertaken during this monitoring round. Groundwater levels and physical observations were recorded as summarised in Table 4.1. Well ID Topographic Level (mbtoc) Table 4.1- Groundwater Survey Details and Observations Groundwater Level (mbtoc) Relative Groundwater Level (masd ) MW Physical Observations Moderate organic chemical odour, brown tint, good recharge MW No odour, brown tint, very slow recharge MW Natural organic odour, dark grey, very slow recharge Notes: Static water levels taken on 20 July 2017 mbtoc = metres below top of casing masd = metres above site datum. These figures are underlined for ease of reading. Based on ground water levels and previously measured topographic levels, the calculated groundwater flow is in a North/North Westerly direction towards the River Shannon. This agrees with previously determined groundwater flow contours calculated for the site. 4.2 Groundwater Results The results of the groundwater analysis are summarised below and presented in Tables 1-4, in which they are compared to the relevant generic assessment criteria. Full laboratory certificates are presented in Appendix B Metals Potentially Associated with Historical Products Arsenic Arsenic concentrations are elevated in MW102 (>10 times the GAC), less so in down-gradient MW103 (less than 4 times the GAC) and below GACs in MW101. Arsenic concentrations naturally present in soils and bedrock can be released into groundwater in reduced / anaerobic redox conditions. The solubility of certain metals under changing redox conditions is discussed further in the notes on hydrochemistry below. Boron Elevated Boron concentrations were detected in centrally located MW102 but not in either of the two other wells. Boron may be associated with historical product sodium octoborate but also may be naturally occurring. Chromium Chromium concentrations in all wells were below GACs and laboratory detection limits. McMahons Limerick P October 2017

15 Stage 1 Groundwater Assessment Report Copper Copper concentrations in all wells were below GACs and laboratory detection limits in all three wells. Sodium Sodium concentrations were only slightly elevated in MW102 and MW103; the highest being 168.5μg/l in MW102 compared against a GAC of 150 μg/l. Sodium may potentially be associated with the breakdown of historical product sodium octoborate but also may be naturally occurring Hydrochemistry In addition to contaminants of concern, analysis of groundwater samples has also been undertaken to provide a preliminary indication of hydrochemical indicators of contaminant biodegradation. A summary of these results is presented in Table 4.1. Table 4.1 Test Parameter Summary of Hydrochemical Indicators of Biodegradation Activity Well ID: Units MW101 (up-gradient) MW102 (central location) MW103 (down-gradient) Total Dissolved Iron µg/l Dissolved Manganese µg/l Sulphate mg/l < Nitrate as NO 3 mg/l <0.2 <0.2 <0.2 The following trends are identified from the available data: The groundwater samples were filtered on site therefore the metal results represent dissolved metals. Elevated concentrations of Iron and Manganese are commonly associated with redox reactions in anaerobic or reduced conditions leading to the reduction of Fe(III) to more soluble Fe(II) and the reduction of Mn(IV) to more soluble Mn(II). This suggests active biodegradation of organic matter linked to utilisation of Fe (III) and Mn (IV) as electron acceptors. Dissolved iron and manganese concentrations are highest in the central well MW102; this suggests reduced or localised anaerobic conditions around MW102. Sulphate concentrations are highest in MW101 and MW103 but are below laboratory limits of detection in MW102. This further suggests reduced conditions in the vicinity of MW102. Nitrate concentrations, were below laboratory limits of detection and do not show any variation across the site. McMahons Limerick P October 2017

16 Stage 1 Groundwater Assessment Report Pesticides Propiconazole and Tebuconazole (pesticides listed in historical treatment solutions on site) were detected in all three wells; the highest concentrations were centrally located in MW102 and significantly lower concentrations both downgradient and up-gradient. It is noted that the specific pesticides detected were present only during some but not all of previous monitoring surveys during 2013 and No pesticides otherwise were detected in any of the wells Petroleum Hydrocarbons Petroleum hydrocarbons were detected in MW101 and less so MW102 and no petroleum hydrocarbons were detected in most down-gradient MW103. Concentrations detected are similar to previous results from Some petroleum hydrocarbons may potentially be associated historical treatment solutions but also may be due to historical operational losses when filling a diesel tank for site forklifts in the area BTEX Compounds (Benzene, Toluene, Ethylbenzene and Xylene) Some low-level xylene contamination was observed in MW101 which exceed the EPA 2011 guidance. Low level BTEX contamination may potentially be associated with localised historical fuel losses during filling of onsite vehicles at nearby diesel tank. BTEX concentrations in MW101 are at very similar levels to those detected in September 2014, with a reduction in toluene levels which was not detected in July No BTEX contamination was present in MW102 or MW103 which are more down-gradient PAHs Low level PAHs were detected in MW101 and MW102 monitoring wells; the highest concentrations being in MW101. Similar observations were noted during previous monitoring at the site with overall concentrations reducing since the first monitoring round in The most significant PAH compounds include naphthalene, phenanthrene, anthracene, fluoranthene, Benzo[a]anthracene and Chrysene. PAH concentrations in the most down-gradient well MW103 are below laboratory limits of detection for all reported PAHs Phenols Some low level phenols were detected in MW101 but all were below relevant GACs where available. Phenols can be present in creosote timber treatment solutions; most notably these would include 2-methylphenol (ocresol), 3-methylphenol (m-cresol) and 4-methylphenol (p-cresol). Trace levels of cresols were detected in MW101 but below relevant GACs. No phenols were detected in MW102 or MW Other Semi Volatile Organic Compounds (SVOCs) Phthalates were below detection limits and GACs in all samples. A screening suite of various other SVOCs was undertaken. Low level; dibenzofuran was found most notably MW101 and reducing in MW102 and not McMahons Limerick P October 2017

17 Stage 1 Groundwater Assessment Report detected in MW103. Dibenzofuran can potentially be found in timber treatment solutions but is also present in cold tar and petroleum products. No other contaminants were found to exceed GACs Miscellaneous Analysis Total organic carbon (TOC) ranged between 14 and 82 mg/l and quite stable across the site when compared against previous monitoring results. ph is stable across the site ranging between 7.06 and SUMMARY & CONCLUSIONS 5.1 Summary Discussion Verde completed a groundwater monitoring at the McMahon Builders Providers site in Limerick July Previous assessments at the site went into detail on pollutant linkages for the site and development of a conceptual site model for identifying source pathway - receptor (SPR) linkages. Based on recent monitoring some contamination remains in groundwater on site; the following summary applies. COPCs associated with historical activities are being detected in all three wells, most notably in MW102 located centrally in the former timber treatment area. Propiconazole and Tebuconazole pesticides were detected in all wells. No other pesticides however are being detected in any well. Elevated concentrations of dissolved metals are also present, predominantly in MW102. This suggests that reduced hydrochemical conditions are present locally surrounding this well. Up-gradient MW101 contains some low level hydrocarbon contamination which may be related to timber treatment activities or possibly also some petroleum contamination due to small operational losses from a diesel tank nearby for site machinery. This diesel tank has since been re-located into the bund associated with the former treatment plant. Downgradient MW103 has the lowest contamination levels of the three wells with groundwater flow direction determined to be in a north-north westerly direction towards the River Shannon. The risks associated with the site based on identified pollutant linkages may be summarised as follows: : o o o A very low risk to buildings & adjacent properties. A low risk to the River Shannon SPA & SAC. A low risk of impact to the underlying bedrock aquifer. McMahons Limerick P October 2017

18 Stage 1 Groundwater Assessment Report 5.2 Final Comments & Recommendations It may be concluded that the McMahons Limerick site poses a low risks to environmental and human health receptors and groundwater quality has remained relatively stable since Verdé consider it appropriate to progress the licence surrender process with the following recommendations: An independent closure audit of the facility will be required as part of the licence surrender process, the scope of which will need to be agreed in writing with the EPA. Maintain all paperwork in relation to removal of treatment solutions and plant for inclusion in an exit audit report. oo00oo Respectfully submitted On behalf of Verde Environmental Consultants Cyril Tynan Senior EHS Consultant Kevin Cleary Project Director McMahons Limerick P October 2017

19 Verdé Environmental Consultants Ltd part of the Verdé Environmental Group Figures JMML Marsh Road, Drogheda Verdé Ref: 50348

20 Meelick Westbury Clare Limerick Moylish Ennis Rd. Dock Road Site Location O Connell Ave. Limerick City Roxboro Dublin Rd. Childers Rd. Ballinacurra Kilmallock Rd. Mungret Fr. Russell Rd. Verde Title: Site Location McMahon, Dock Road, Limerick Client: Tel: Date: Sept 2014 Job Ref: Figure No Scale 1:50,000 (at A4 size) Kilometres

21 Scale 1:1000 (at A4 size) Meters River Shannon Raised Embankment Undeveloped Land BH&MW BH LEGEND Borehole & Monitoring Well Borehole Location Site Boundary Gradient/Slope Former Timber Treatment Plant Shed No. 6 BH/MW103 Shed No. 5 BH/MW101 BH106 Diesel AST BH105 BH104 BH/MW102 Shed No. 7 Shed No. 4 Shed No. 3 Neighbouring Commercial Properties (Former location) CROSS SECTION Storage Sheds Storage Sheds Shed No. 8 Shed No. 9 Shed No. 2 Shed No. 1 Shop Building Shop Area Neighbouring Commercial Properties Verde Title: Borehole & Monitoring Well Locations McMahon, Dock Road, Limerick Client: Tel: Date: Sept 2017 Job Ref: Figure No. 2 Neighbouring Commercial Properties

22 SECTION Cross Section (Approx200 metres) Ground Level Site Boundary Made Ground (Sandy Silty Gravels) Clay/Silt Site Building Site Building Bedrock >10m BGL (Approx) BH/MW 101 5m Timber Treatment Plant Diesel AST BH/MW 102 5m BH/MW 103 5m Site Boundary Perched Groundwater Embankment River Shannon (Tidal) Verde Title: Cross Section/Conceptual Site Model McMahon, Dock Road, Limerick Client: Tel: Date: April 2014 Job Ref: Figure No. 3 BH/MW LEGEND Concrete Made Ground Dense Clay Boreholes/ Monitoring Well

23 Scale 1:1000 (at A4 size) Meters River Shannon Raised Embankment Undeveloped Land BH&MW BH (9.5) LEGEND Gradient/Slope Timber Treatment Plant Borehole & Monitoring Well Borehole Location Site Boundary Shed No. 6 (9.3) (9.4) (9.5) Groundwater contour (metres) Groundwater flow direction Groundwater Level masd masd = Meters Above Site Datum (9.34) BH/MW103 Shed No. 5 BH/MW101 BH106 Diesel AST BH105 BH104 BH/MW102 (9.52) Shed No. 7 Shed No. 4 Shed No. 3 CROSS SECTION Neighbouring Commercial Properties Storage Sheds (9.3) Storage Sheds Shed No. 8 Shed No. 9 Shed No. 2 (9.4) (9.5) Shed No. 1 Shop Area Neighbouring Commercial Properties Verde Title: Groundwater Contour Map McMahon, Dock Road, Limerick Client: Tel: Date: April 2014 Job Ref: Figure No. 4 Neighbouring Commercial Properties

24 Verdé Environmental Consultants Ltd part of the Verdé Environmental Group Tables JMML Limerick Verdé Ref:

25 Sample Identity: Date: 08/05/ /04/ /09/ /07/ /05/ /04/ /09/ /07/ /05/ /04/ /09/ /07/2017 Units Benzene µg l-¹ <0.5 2 <1.0 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 1 [Note 1] 10 Toluene µg l-¹ <5 1.5 <0.5 <0.5 <5 <1.0 <0.5 <0.5 <5 4 [Note 1] 700 Ethylbenzene µg l-¹ <1.0 <0.5 <0.5 <1 <1.0 <0.5 <0.5 <1 10 [Note 2] 300 m- & p-xylene µg l-¹ <1 <2 <1.0 <1 <1 <2 3 [Note 1] 500 o-xylene µg l-¹ < <0.5 <1 <1.0 <0.5 <0.5 <1 3 [Note 1] 500 Methyl tert-butylether µg l-¹ - <0.1 <0.1 <0.1 - <0.1 <0.1 <0.1 - <0.1 <0.1 < [Note 2,3] 15 Aliphatics TPH aliphatic >C5-C6 µg l-¹ - <5 <5 <10 - <5 <5 <10 - <5 <5 <10 10 [Note 2,3] TPH aliphatic >C6-C8 µg l-¹ - <5 6 <10 - <5 <5 <10 - <5 <5 <10 10 [Note 2,3] TPH aliphatic >C8-C10 µg l-¹ <5 <5 <10 - <5 <5 <10 10 [Note 2,3] 300 TPH aliphatic >C10-C12 µg l-¹ - <5 <5 <5 - <5 <5 <5 - <5 <5 <5 10 [Note 2,3] 300 TPH aliphatic >C12-C16 µg l-¹ - <10 <10 <10 - <10 <10 <10 - <10 <10 <10 10 [Note 2,3] 300 TPH aliphatic >C16-C21 µg l-¹ - <10 <10 <10 - <10 <10 <10 - <10 <10 <10 10 [Note 2,3] (300) TPH aliphatic >C21-C35 µg l-¹ - <10 <10 < <10 <10 - <10 <10 <10 10 [Note 2,3] (300) Total Aliphatics C5-35 µg l-¹ <10 <10 - <10 <10 <10 10 [Note 2,3] (300) Aromatics TPH aromatic >C5-C7 µg l-¹ - <5 <5 <10 - <5 <5 <10 - <5 <5 <10 1 [Note 1,4] 10 TPH aromatic >C7-C8 µg l-¹ <10 - <5 <5 <10 - <5 <5 <10 4 [Note 1,4] 700 TPH aromatic >C8-C10 µg l-¹ <5 <5 <10 - <5 <5 <10 10 [Note 2,3] 300 TPH aromatic >C10-C12 µg l-¹ <5 <5 <5 - <5 <5 <5 10 [Note 2,3] 100 TPH aromatic >C12-C16 µg l-¹ <10 <10 <10 10 [Note 2,3] 100 TPH aromatic >C16-C21 µg l-¹ <10 <10 <10 10 [Note 2,3] 90 TPH aromatic >C21-C35 µg l-¹ - <10 <10 <10 - <10 <10 <10 - <10 <10 <10 10 [Note 2,3] 90 Total Aromatics C5-35 µg l-¹ <10 <10 <10 10 [Note 2,3] n/a TPH (C5-35) <10 <10 <10 n/a n/a Total Organic Carbon mg l-¹ No Change [Note 5] n/a Notes Values exceeding Verde GAC are in bold and values exceeding WHO GAC are underlined * Based on EPA Guidelines 2011 and IGV Report ** Based on guideline values published in 2008 for Petroleum Products in Drinking-water. These guidelines were developed to assess risks following petroleum contamination impacts to drinking water. The reference for TPH is derived from the lowest WHO guideline value for (aliphatic) hydrocarbons (300 µg/l for C12-C16) to provide a conservative level of protection. 1. Guidance on Authorisation of Discharges to Groundwater, Version 1, EPA (Ireland) Dec Interim Guideline Values (IGVs) for the protection of groundwater, EPA (Ireland) Refers to dissolved and emulsified hydrocarbons. 4. GAC for C5-C7 refers to Benzene and C7-C8 Refers to Toluene MW Assessment of TOC requires that there is no observed change over time or when compared to background levels Table 1: McMahons Limerick - Groundwater Analytical Results (Petroleum Hydrocarbons) MW102 MW103 EPA * WHO **

26 PAHs Sampled Date: 08/05/ /04/ /09/ /07/ /05/ /04/ /09/ /07/ /05/ /04/ /09/ /07/2017 Units Naphthalene µg l-¹ < <1 <1 1 - Acenaphthylene µg l-¹ < <0.5 <0.5 < <0.5 < Acenaphthene µg l-¹ < <1 - - Fluorene µg l-¹ < < Phenanthrene µg l-¹ < < Anthracene µg l-¹ < <0.5 < Fluoranthene µg l-¹ < < Pyrene µg l-¹ < <0.5 < Benzo[a]anthracene µg l-¹ < < <0.5 < <0.5 < Chrysene µg l-¹ < < <0.2 <0.5 < <0.2 < Benzo[b]fluoranthene µg l-¹ < < <0.50 < Benzo[k]fluoranthene µg l-¹ < < <0.50 < Benzo(bk)fluoranthene µg l-¹ < <1 <1 < <1 <1 <0.50 <0.018 <1 < Benzo[a]pyrene µg l-¹ < < <1 < < <1 <0.50 <0.016 < < Indeno[1,2,3-cd]pyrene µg l-¹ < <1 <1 < <1 <1 <0.50 <0.011 <1 <1 - n/a Dibenzo[a,h]anthracene µg l-¹ <0.50 <0.01 <0.5 <0.5 <0.50 <0.01 <0.5 <0.5 <0.50 <0.01 <0.5 < n/a Benzo[g,h,i]perylene µg l-¹ < <0.5 <0.5 < <0.5 <0.5 <0.50 <0.011 <0.5 < n/a 2-Chloronaphthalene µg l-¹ - - <1 <1 - - <1 <1 - - <1 < Methylnaphthalene µg l-¹ <1 <1 - - <1 <1 - - Total (of 16) PAHs µg l-¹ n/a PAH - specified [Note 1] µg l-¹ < < < <0.075 < Phenols Sample Identity: Table 2: McMahons Limerick - Groundwater Analytical Results (PAHs and Phenols) MW101 MW102 MW103 2-Chlorophenol µg l-¹ <0.50 <1 <1 <1 <0.50 <1 <1 <1 <0.50 <1 <1 < Methylphenol µg l-¹ < <0.5 <0.50 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 < Nitrophenol µg l-¹ <0.50 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 < ,4-Dichlorophenol µg l-¹ <0.50 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 < ,4-Dimethylphenol µg l-¹ < <0.50 <1 <1 <1 <0.50 <1 <1 < ,4,5-Trichlorophenol µg l-¹ <0.50 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 < ,4,6-Trichlorophenol µg l-¹ <0.50 <1 <1 <1 <0.50 <1 <1 <1 <0.50 <1 <1 < Chloro-3-methylphenol µg l-¹ <0.50 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 < Methylphenol < <1 <0.50 <1 <1 <1 <0.50 <1 <1 < Nitrophenol µg l-¹ <0.50 <10 <10 <10 <0.50 <10 <10 <10 <0.50 <10 <10 < Pentachlorophenol µg l-¹ <0.50 <1 <1 <1 <0.50 <1 <1 <1 <0.50 <1 <1 <1 2 - Phenols (total) µg l-¹ <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 < Notes "IGV"- EPA Interim Gudeline Value EPA Based on S.I. No. 9 of 2010 Results in bold if exceeding EPA 2011 values or underlined if exceeding EPA IGVs. 1: PAH limit value refers to sum of specified compounds: benzo(b)fluranthene, benzo(k)fluoranthene, benzo(ghi)perylene, indeno(1,2,3-cd-)pyrene 2: Refers to total cresols (2 -, 3 - and 4 - Methylphenol) "++" Result outside calibration range, results should be considered as indicative only and are not accredited. EPA IGV EPA 2011

27 Phthalates Sampled Date: 08/05/ /04/ /09/ /07/ /05/ /04/ /09/ /07/ /05/ /04/ /09/ /07/2017 Units Bis(2-ethylhexyl) phthalate µg l-¹ <0.5 <5 <5 <5 <0.5 <5 <5 <5 <0.5 <5 <5 <5 5 - Butylbenzyl phthalate µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 <1 5 - Di-n-butyl phthalate µg l-¹ <0.5 <1.5 <1.5 <1.5 <0.5 <1.5 <1.5 <1.5 <0.5 <1.5 <1.5 < Di-n-Octyl phthalate µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 <1 5 - Diethyl phthalate µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 <1 5 - Dimethyl phthalate µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 <1 5 - Other SVOCs Table 3: McMahons Limerick - Groundwater Analytical Results (Phthalates, SVOCs) Sample Identity: MW101 MW102 MW ,2-Dichlorobenzene µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 <1 10-1,2,4-Trichlorobenzene µg l-¹ <0.5 <0.4 <0.01 <1 <0.5 <0.4 <0.01 <1 <0.5 <0.4 <0.01 < ,3-Dichlorobenzene µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 < ,4-Dichlorobenzene µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 < Nitroaniline µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 < ,4-Dinitrotoluene µg l-¹ <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 < ,6-Dinitrotoluene µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 < Nitroaniline µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 < Bromophenylphenylether µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 < Chloroaniline µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 < Chlorophenylphenylether µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 < Nitroaniline µg l-¹ <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 < Azobenzene µg l-¹ <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 < Bis(2-chloroethoxy)methane µg l-¹ <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 < EPA IGV EPA 2011 Bis(2-chloroethyl)ether µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 <1 - - Carbazole µg l-¹ <0.5 <0.5 <0.5 <0.5 < Dibenzofuran µg l-¹ < < Hexachlorobenzene µg l-¹ <0.5 <0.5 <0.01 <1 <0.5 <0.5 <0.01 <1 <0.5 <0.5 <0.01 <1 - Hexachlorobutadiene µg l-¹ <0.5 <0.1 <1 <1 <0.5 <0.1 <1 <1 <0.5 <0.1 <1 < Hexachlorocyclopentadiene µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 <1 - - Hexachloroethane µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 <1 - - Isophorone µg l-¹ <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 < N-nitrosodi-n-propylamine µg l-¹ <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 < Nitrobenzene µg l-¹ <0.5 <1 <1 <1 <0.5 <1 <1 <1 <0.5 <1 <1 < Notes "IGV"- EPA Interim Gudeline Value EPA Based on S.I. No. 9 of 2010 Results in bold if exceeding EPA 2011 values or underlined if exceeding EPA IGVs. "++" Result outside calibration range, results should be considered as indicative only and are not accredited.

28 Sample Identity: Sampled Date: 08/05/ /04/ /09/ /07/ /05/ /04/ /09/ /07/ /05/ /04/ /09/ /07/2017 Units Dissolved Arsenic µg/l Dissolved Boron µg/l Dissolved Chromium µg/l - - <1.5 < < <1.5 < Hexavalent Chromium ug/l - - <6 <6 - - <6 <6 - - <6 <6 - - Dissolved Copper µg/l - - <7 < < < Total Dissolved Iron µg/l *** Dissolved Manganese µg/l *** Dissolved Sodium mg/l Dissolved Calcium mg/l Dissolved Magnesium mg/l Dissolved Iron II mg/l - - < Manganese II mg/l A Sulphate mg/l <0.05 <0.05 <0.5 - <0.05 < Sulphide mg/l - <0.3 - < <0.3 - < <0.3 - < Nitrate as NO3 mg/l < < < Nitrite as NO2 mg/l - < < < < < < Ammoniacal N as NH4 mg/l Chloride mg/l ph Total Alkalinity as CaCO3 mg/l No change - Pesticides Propiconazole µg/l <0.1 < < <0.1 < ** 0.1* Tebuconazole µg/l <0.1 < < <0.1 < ** 0.1* Permethrin µg/l <0.1 <0.01 < 0.01 <0.02 <0.1 <0.01 < <0.1 <0.01 < 0.01 < Individual Pesticides [Note 1} Table 4: McMahons Limerick - Groundwater Analytical Results (Metals, Ions & Pesticides) MW101 MW102 MW103 µg/l - <0.01 <0.01 <0.2 - <0.01 <0.01 < <0.01 < ** 0.1* Notes *refers to active substances in pesticides including their relevant metabolites, degradation and reaction products of 0.1µg/l (individual pesticides) **refers to IGV of 0.1µg/l for individual pesticides and total pesticides of 0.5µg/l *** European communities (drinking water)(no 2) Regulations 2007 as referenced in EPA 2011 document Results are in bold when EPA 2011 Limit Values are exceeded and underlined when older IGVs are exceeded. For some parameters the limits of detection do not allow direct comparison with all GACs. Note 1 - Details for individual pesticides are included in the full laboratory report at the end of this document. EPA IGV EPA 2011

29 Verdé Environmental Consultants Ltd part of the Verdé Environmental Group Appendix A Disposal Records JMML Limerick Verdé Ref:

30 TeReCo Ltd 286b Drumnakilly Road Carrickmore Co. Tyrone BT79 9PU Phone : 0044 (0) Mobile : 0044 (0) info@terecoltd.com 27 th September 2017 Re: McMahons Polefield Tidy-up 2014 Dear Anthony, We write to confirm that we tidied the area as discussed between shed 4 & 5 at McMahons, Polefield, Dock Road Limerick in The materials comprised of mainly plastic packaging/ polythene and the like accumulated over time by the wind as well as a few fibreglass roof lights. All materials removed were clean and dry as there was a canopy covering the area. We also removed a section of a metal frame that was bolted to the ground. Yours Sincerely, Barry Fullen

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34 Verdé Environmental Consultants Ltd part of the Verdé Environmental Group Appendix B Laboratory Certificates JMML Limerick Verdé Ref:

35 Exova Jones Environmental Registered Address : Exova (UK) Ltd, Lochend Industrial Estate, Newbridge, Midlothian, EH28 8PL Verde Environmental Consultants E7 Network Enterprise Park Kilcoole Co Wicklow Ireland A63 KV04 Unit 3 Deeside Point Zone 3 Deeside Industrial Park Deeside CH5 2UA Tel: +44 (0) Fax: +44 (0) Attention : Date : Cyril Tynan 31st August, 2017 Your reference : Our reference : Location : Date samples received : Status : Issue : Test Report 17/12463 Batch 1 McMahons 21st July, 2017 Final report 2 Three samples were received for analysis on 21st July, 2017 of which three were scheduled for analysis. Please find attached our Test Report which should be read with notes at the end of the report and should include all sections if reproduced. Interpretations and opinions are outside the scope of any accreditation, and all results relate only to samples supplied. All analysis is carried out on as received samples and reported on a dry weight basis unless stated otherwise. Results are not surrogate corrected. Compiled By: Bruce Leslie Project Co-ordinator QF-PM v16 Please include all sections of this report if it is reproduced All solid results are expressed on a dry weight basis unless stated otherwise. 1 of 11

36 Exova Jones Environmental Client Name: Verde Environmental Consultants Report : Liquid Reference: Location: McMahons Contact: Cyril Tynan Liquids/products: V=40ml vial, G=glass bottle, P=plastic bottle JE Job No.: 17/12463 H=H 2 SO 4, Z=ZnAc, N=NaOH, HN=HN0 3 J E Sample No Sample ID MW101 MW102 MW103 Depth COC No / misc Please see attached notes for all abbreviations and acronyms Containers V H HN HCL NB P G V H HN HCL NB P G V H HN HCL NB P G Sample Date 20/07/ /07/ /07/2017 Sample Type Ground Water Ground Water Ground Water Batch Number Date of Receipt 21/07/ /07/ /07/2017 LOD/LOR Units Method No. Dissolved Arsenic # <2.5 ug/l TM30/PM14 Dissolved Boron AA 612 <12 ug/l TM30/PM14 Dissolved Calcium # AA <0.2 mg/l TM30/PM14 Total Dissolved Chromium # < <1.5 <1.5 ug/l TM30/PM14 Dissolved Copper # <7 <7 <7 <7 ug/l TM30/PM14 Total Dissolved Iron # AA 1929 <20 ug/l TM30/PM14 Dissolved Magnesium # <0.1 mg/l TM30/PM14 Dissolved Manganese # <2 ug/l TM30/PM14 Dissolved Sodium # <0.1 mg/l TM30/PM14 Methyl Tertiary Butyl Ether # <0.1 <0.1 <0.1 <0.1 ug/l TM15/PM10 Benzene # 2.0 <0.5 <0.5 <0.5 ug/l TM15/PM10 Toluene # <5 <5 <5 <5 ug/l TM15/PM10 Ethylbenzene # 2 <1 <1 <1 ug/l TM15/PM10 p/m-xylene # 20 <2 <2 <2 ug/l TM15/PM10 o-xylene # 13 <1 <1 <1 ug/l TM15/PM10 Surrogate Recovery Toluene D <0 % TM15/PM10 Surrogate Recovery 4-Bromofluorobenzene <0 % TM15/PM10 Propiconazole AC 11.7 AC <0.1 ug/l TM16/PM30 Tebuconazole AC 22.2 AC <0.1 ug/l TM16/PM30 QF-PM v11 Please include all sections of this report if it is reproduced All solid results are expressed on a dry weight basis unless stated otherwise. 2 of 11

37 Exova Jones Environmental Client Name: Verde Environmental Consultants Report : Liquid Reference: Location: McMahons Contact: Cyril Tynan Liquids/products: V=40ml vial, G=glass bottle, P=plastic bottle JE Job No.: 17/12463 H=H 2 SO 4, Z=ZnAc, N=NaOH, HN=HN0 3 J E Sample No Sample ID MW101 MW102 MW103 Depth COC No / misc Please see attached notes for all abbreviations and acronyms Containers V H HN HCL NB P G V H HN HCL NB P G V H HN HCL NB P G Sample Date 20/07/ /07/ /07/2017 Sample Type Ground Water Ground Water Ground Water Batch Number Date of Receipt 21/07/ /07/ /07/2017 LOD/LOR Units Method No. Pesticides Organochlorine Pesticides Aldrin <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Alpha-HCH (BHC) <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Beta-HCH (BHC) <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Chlorothalonil <50.00 AG <2.50 AE <2.50 AE <0.01 ug/l TM149/PM30 cis-chlordane <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Delta-HCH (BHC) <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Dieldrin <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Endosulphan I <0.20 AC <0.05 AA <0.01 <0.01 ug/l TM149/PM30 Endosulphan II <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Endosulphan sulphate <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Endrin <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Gamma-HCH (BHC) <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Heptachlor <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Heptachlor Epoxide <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Hexachlorobenzene <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Isodrin <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 o,p'-dde <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 o,p'-ddt <2.00 AD <0.10 AB <0.10 AB <0.01 ug/l TM149/PM30 o,p'-methoxychlor <2.00 AD <0.10 AB <0.10 AB <0.01 ug/l TM149/PM30 o,p'-tde <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 p,p'-dde <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 p,p'-ddt <4.00 AF <0.20 AC <0.20 AC <0.01 ug/l TM149/PM30 p,p'-methoxychlor <4.00 AF <0.20 AC <0.20 AC <0.01 ug/l TM149/PM30 p,p'-tde <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Pendimethalin <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Permethrin I <0.20 AC 0.05 <0.01 <0.01 ug/l TM149/PM30 Permethrin II <0.20 AC 0.11 <0.01 <0.01 ug/l TM149/PM30 Quintozene (PCNB) <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Tecnazene <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Telodrin <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 trans-chlordane <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Triadimefon <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Triallate <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 Trifluralin <0.20 AC <0.01 <0.01 <0.01 ug/l TM149/PM30 QF-PM v11 Please include all sections of this report if it is reproduced All solid results are expressed on a dry weight basis unless stated otherwise. 3 of 11

38 Exova Jones Environmental Client Name: Verde Environmental Consultants Report : Liquid Reference: Location: McMahons Contact: Cyril Tynan Liquids/products: V=40ml vial, G=glass bottle, P=plastic bottle JE Job No.: 17/12463 H=H 2 SO 4, Z=ZnAc, N=NaOH, HN=HN0 3 J E Sample No Sample ID MW101 MW102 MW103 Depth COC No / misc Please see attached notes for all abbreviations and acronyms Containers V H HN HCL NB P G V H HN HCL NB P G V H HN HCL NB P G Sample Date 20/07/ /07/ /07/2017 Sample Type Ground Water Ground Water Ground Water Batch Number Date of Receipt 21/07/ /07/ /07/2017 LOD/LOR Units Method No. TPH CWG Aliphatics >C5-C6 # <10 <10 <10 <10 ug/l TM36/PM12 >C6-C8 # <10 <10 <10 <10 ug/l TM36/PM12 >C8-C10 # 26 <10 <10 <10 ug/l TM36/PM12 >C10-C12 # <5 <5 <5 <5 ug/l TM5/PM30 >C12-C16 # <10 <10 <10 <10 ug/l TM5/PM30 >C16-C21 # <10 <10 <10 <10 ug/l TM5/PM30 >C21-C35 # <10 <10 <10 <10 ug/l TM5/PM30 Total aliphatics C5-35 # 26 <10 <10 <10 ug/l TM5/TM36/PM30/PM12 Aromatics >C5-EC7 # <10 <10 <10 <10 ug/l TM36/PM12 >EC7-EC8 # <10 <10 <10 <10 ug/l TM36/PM12 >EC8-EC10 # 36 <10 <10 <10 ug/l TM36/PM12 >EC10-EC12 # 1255 <5 <5 <5 ug/l TM5/PM30 >EC12-EC16 # <10 <10 ug/l TM5/PM30 >EC16-EC21 # <10 <10 ug/l TM5/PM30 >EC21-EC35 # <10 <10 <10 <10 ug/l TM5/PM30 Total aromatics C5-35 # <10 <10 ug/l TM5/TM36/PM30/PM12 Total aliphatics and aromatics(c5-35) # <10 <10 ug/l TM5/TM36/PM30/PM12 Sulphate as SO4 # < <0.5 mg/l TM38/PM0 Chloride # <0.3 mg/l TM38/PM0 Nitrate as NO3 # <0.2 <0.2 <0.2 <0.2 mg/l TM38/PM0 Nitrite as NO2 # <0.02 <0.02 <0.02 <0.02 mg/l TM38/PM0 Ammoniacal Nitrogen as NH4 # <0.03 mg/l TM38/PM0 Hexavalent Chromium # <0.006 <0.006 <0.006 <0.006 mg/l TM38/PM0 Total Dissolved Chromium III <6 <6 <6 <6 ug/l NONE/NONE Total Alkalinity as CaCO3 # <1 mg/l TM75/PM0 Sulphide <0.01 <0.01 <0.01 <0.01 mg/l TM106/PM0 COD (Settled) # <7 mg/l TM57/PM0 Dissolved Iron II <0.02 mg/l TM48/PM0 Manganese II 2.55 AB 5.74 AB 1.87 AB <0.02 mg/l TM62/PM0 ph # <0.01 ph units TM73/PM0 Total Organic Carbon # <2 mg/l TM60/PM0 QF-PM v11 Please include all sections of this report if it is reproduced All solid results are expressed on a dry weight basis unless stated otherwise. 4 of 11

39 Exova Jones Environmental Client Name: Verde Environmental Consultants SVOC Report : Liquid Reference: Location: Contact: JE Job No.: McMahons Cyril Tynan 17/12463 J E Sample No Sample ID MW101 MW102 MW103 Depth COC No / misc Please see attached notes for all abbreviations and acronyms SVOC MS Containers V H HN HCL NB P G V H HN HCL NB P G V H HN HCL NB P G Sample Date 20/07/ /07/ /07/2017 Sample Type Ground Water Ground Water Ground Water Batch Number Date of Receipt 21/07/ /07/ /07/2017 Phenols 2-Chlorophenol # <1 <1 <1 <1 ug/l TM16/PM30 2-Methylphenol # <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 2-Nitrophenol <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 2,4-Dichlorophenol # <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 2,4-Dimethylphenol 76 <1 <1 <1 ug/l TM16/PM30 2,4,5-Trichlorophenol # <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 2,4,6-Trichlorophenol <1 <1 <1 <1 ug/l TM16/PM30 4-Chloro-3-methylphenol # <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 4-Methylphenol <1 <1 <1 <1 ug/l TM16/PM30 4-Nitrophenol <10 <10 <10 <10 ug/l TM16/PM30 Pentachlorophenol <1 <1 <1 <1 ug/l TM16/PM30 Phenol <1 <1 <1 <1 ug/l TM16/PM30 PAHs 2-Chloronaphthalene # <1 <1 <1 <1 ug/l TM16/PM30 2-Methylnaphthalene # <1 <1 <1 ug/l TM16/PM30 Naphthalene # <1 <1 ug/l TM16/PM30 Acenaphthylene # <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 Acenaphthene # <1 ug/l TM16/PM30 Fluorene # <0.5 <0.5 ug/l TM16/PM30 Phenanthrene # <0.5 <0.5 ug/l TM16/PM30 Anthracene # <0.5 <0.5 ug/l TM16/PM30 Fluoranthene # <0.5 <0.5 ug/l TM16/PM30 Pyrene # <0.5 <0.5 ug/l TM16/PM30 Benzo(a)anthracene # 1.3 <0.5 <0.5 <0.5 ug/l TM16/PM30 Chrysene # 1.0 <0.5 <0.5 <0.5 ug/l TM16/PM30 Benzo(bk)fluoranthene # <1 <1 <1 <1 ug/l TM16/PM30 Benzo(a)pyrene <1 <1 <1 <1 ug/l TM16/PM30 Indeno(123cd)pyrene <1 <1 <1 <1 ug/l TM16/PM30 Dibenzo(ah)anthracene # <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 Benzo(ghi)perylene # <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 Phthalates Bis(2-ethylhexyl) phthalate <5 <5 <5 <5 ug/l TM16/PM30 Butylbenzyl phthalate <1 <1 <1 <1 ug/l TM16/PM30 Di-n-butyl phthalate # <1.5 <1.5 <1.5 <1.5 ug/l TM16/PM30 Di-n-Octyl phthalate <1 <1 <1 <1 ug/l TM16/PM30 Diethyl phthalate # <1 <1 <1 <1 ug/l TM16/PM30 Dimethyl phthalate <1 <1 <1 <1 ug/l TM16/PM30 LOD/LOR Units Method No. QF-PM v11 Please include all sections of this report if it is reproduced All solid results are expressed on a dry weight basis unless stated otherwise. 5 of 11

40 Exova Jones Environmental Client Name: Verde Environmental Consultants SVOC Report : Liquid Reference: Location: Contact: JE Job No.: McMahons Cyril Tynan 17/12463 J E Sample No Sample ID MW101 MW102 MW103 Depth COC No / misc Please see attached notes for all abbreviations and acronyms SVOC MS Containers V H HN HCL NB P G V H HN HCL NB P G V H HN HCL NB P G Sample Date 20/07/ /07/ /07/2017 Sample Type Ground Water Ground Water Ground Water Batch Number Date of Receipt 21/07/ /07/ /07/2017 Other SVOCs 1,2-Dichlorobenzene # <1 <1 <1 <1 ug/l TM16/PM30 1,2,4-Trichlorobenzene # <1 <1 <1 <1 ug/l TM16/PM30 1,3-Dichlorobenzene # <1 <1 <1 <1 ug/l TM16/PM30 1,4-Dichlorobenzene # <1 <1 <1 <1 ug/l TM16/PM30 2-Nitroaniline <1 <1 <1 <1 ug/l TM16/PM30 2,4-Dinitrotoluene # <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 2,6-Dinitrotoluene <1 <1 <1 <1 ug/l TM16/PM30 3-Nitroaniline <1 <1 <1 <1 ug/l TM16/PM30 4-Bromophenylphenylether # <1 <1 <1 <1 ug/l TM16/PM30 4-Chloroaniline <1 <1 <1 <1 ug/l TM16/PM30 4-Chlorophenylphenylether # <1 <1 <1 <1 ug/l TM16/PM30 4-Nitroaniline <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 Azobenzene # <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 Bis(2-chloroethoxy)methane # <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 Bis(2-chloroethyl)ether # <1 <1 <1 <1 ug/l TM16/PM30 Carbazole # <0.5 <0.5 <0.5 ug/l TM16/PM30 Dibenzofuran # <0.5 <0.5 ug/l TM16/PM30 Hexachlorobenzene # <1 <1 <1 <1 ug/l TM16/PM30 Hexachlorobutadiene # <1 <1 <1 <1 ug/l TM16/PM30 Hexachlorocyclopentadiene <1 <1 <1 <1 ug/l TM16/PM30 Hexachloroethane # <1 <1 <1 <1 ug/l TM16/PM30 Isophorone # <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 N-nitrosodi-n-propylamine # <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30 Nitrobenzene # <1 <1 <1 <1 ug/l TM16/PM30 Surrogate Recovery 2-Fluorobiphenyl <0 % TM16/PM30 Surrogate Recovery p-terphenyl-d <0 % TM16/PM30 LOD/LOR Units Method No. QF-PM v11 Please include all sections of this report if it is reproduced All solid results are expressed on a dry weight basis unless stated otherwise. 6 of 11

41 Exova Jones Environmental Client Name: Verde Environmental Consultants Reference: Location: McMahons Contact: Cyril Tynan Notification of Deviating Samples Matrix : Liquid J E Job No. Batch Sample ID Depth J E Sample No. Analysis Reason 17/ Liquid Samples were received at a temperature above 9 C. Please note that only samples that are deviating are mentioned in this report. If no samples are listed it is because none were deviating. Only analyses which are accredited are recorded as deviating if set criteria are not met. QF-PM v3 Please include all sections of this report if it is reproduced 7 of 11