groundwater monitoring report 2017 for

Email: [email protected] www.enviro-consult.com

Registered Office: Parnell House, 19 Quinsboro Road, Bray, Co. Wicklow A98 XV04. Registered Number 243 412 Directors: Robert B. Sutcliffe, Ronan T. Sutcliffe

Environmental Services for Industry Including – ► Air, Noise & Water Monitoring ► Energy & Water use reduction ► Bund Testing ► IPC/IED/Waste Licence Compliance ► Environmental Management Systems to ISO 14001 ► EIS & Planning ► Air & Noise Modelling ► Occupational Dust & Noise Affiliations & Accreditations ► ISO9001:2008 Registration No. 2015/2170 ► ISO14001:2015 Registration No. 2012/1427 ► MCERTS Certified personnel for stack testing ► Member of Royal Society for Prevention of Accidents

Bray (Ireland) 01 276 1428 Cork (Ireland) 021 453 6155 Lisburn (N. Ireland) 028 9262 6733 Birmingham (GB) 0121 673 1804

Groundwater Monitoring Report 2017

For

Barclay Chemicals Ltd.

Document Number: 399-98 v1.01

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http://www.enviro-consult.com/

Barclay Chemicals Groundwater Monitoring Report 2017 IPPC Reg. Ref. P0522-01

Environmental Efficiency Document No: 399-98 v1.01 of 22

Project Start Form Th

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bef

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mac

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Task (summary)

Order logged by Choose an item Date

Proj Manager Choose an item Target hours

MS required? Choose an item Analysis cost, €

Site visit required? Yes Hire costs, €

Site address Fee (specify € or £)

Invoice on Choose

UIK 5621 Date invoiced

Sage Invoice Number VAT Rate

Client phone

Client email

PO covers Choose an item.

Document Lead Sheet

Clie

nt

Organisation Barclay Chemicals

Site Damastown Way, Mulhuddart

Client contact Elizabeth Carolan

Permit/Lic No. (if applic) PO522-01

Order Proposal number N/A

Client PO or other reference N/A

Del

iver

able

Report title GW Monitoring

Document number 399-98

Report template SR10 Std Groundwater Monitoring template

Type of document Report

Method Statement 352-02 Date written 11/07/2017

Format for issue PDF

Ap

pro

val &

Issu

e Site visit by JC Date last site visit 17/07/2017

Document author VB Date written 08/09/2017

Approved by RD Date approved 08/09/2017

Report version nr 1.01

Issued by VB Date report issued 08/09/2017

Doc issued to As per client info

Method issue Email

Act

ion

All results satisfactory Yes

If not satisfactory, further testing required N/A

If satisfactory, when is next test due? 2018

Key to personnel

RBS Bob Sutcliffe, Director, CEng, MIMechE, MIEI,CEM

RTS Ronan Sutcliffe, Director, Dip. Environmental Protection

GB George Byrne, MSc Biosystems Engineering

RD Richard Deeney, B.Sc. AIEMA

JC John Cullen, BAgSc, P.Grad.Dip Environmental Engineering

VB Valerie Browne, BSc Environmental and Earth System Science

Conditions relating to the issue of this report: 1. No alteration to this report by third parties is permitted 2. Where this report is reproduced, it shall only be reproduced in full. 3. Reports remain the property of Environmental & Efficiency Consultants (Ireland) Limited until paid for in full.

Report History 1.01 Issued

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Table of Contents 1 Executive Summary ............................................................................................................ 4

2 Introduction ........................................................................................................................ 5

2.1 Overview ..................................................................................................................... 5

2.2 Background Information ............................................................................................. 5

2.3 Site Maps ..................................................................................................................... 6

2.4 Historical Groundwater Monitoring ............................................................................ 8

2.5 Hydrological Characteristics of the Site ...................................................................... 8

2.6 Conceptual Site Model ................................................................................................ 9

3 Sampling Methodology..................................................................................................... 10

3.1 Pre-requisites ............................................................................................................ 10

3.2 Method ...................................................................................................................... 11

4 Groundwater Monitoring Results ..................................................................................... 12

5 Discussion ......................................................................................................................... 13

6 Conclusions ....................................................................................................................... 13

7 Recommended way forward ............................................................................................ 13

Appendices

Appendix 1 Certificates of Analysis .......................................................................................... 14

Appendix 2 Comparison of detected VOC’s and Semi-VOC’s with GTV’s/IGV’s ...................... 22

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1 Executive Summary

The client is required to conduct groundwater sampling in accordance with the terms of its IPC licence. Groundwater sampling was carried out on-site on the 17/07/2017. Groundwater samples were analysed for relevant parameters as defined in the company’s licence. Results were compared to Groundwater Threshold Values (GTV’s) as stipulated in the European Communities Environmental Objectives (Groundwater) Regulations, 2010 (S.I. No.9 2010). Where a GTV is not specified for a given parameter results were compared to Interim Guideline Values (IGV’s) as defined in the Agency’s document “Towards setting guideline values for the protection of groundwater in Ireland” (2003). All assessed parameters were determined to be below relevant limit values.

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2 Introduction

2.1 Overview

Environmental Efficiency Consultants were commissioned by the client to conduct

groundwater sampling at their site in accordance with conditions of their licence. Analysis of

collected groundwater samples was carried out in order to assess groundwater quality at

the clients site and determine whether groundwater contamination has occurred as a result

of site activities i.e. whether monitoring results exceed Groundwater Threshold Values or

EPA Interim Guideline Values as defined.

2.2 Background Information

The following site processes, which may give rise to a groundwater contamination incident, occur on-site.

Manufacture of various agrochemical products Formulation of pesticides, plant growth regulators and their intermediates Storage and transfer of hazardous/flammable chemicals Blending and animation of raw material in production vessels Transfer of hazardous material through pipework Line filling of finished product into container Storage and dispatch of finished product

The following substances in use on-site constitute Chemicals of Potential Concern (COPC).

Raw materials - Solvents Finished products- pesticides Fuels and oils

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2.3 Site Maps

Site Overview

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Site Layout with monitoring points

GW3 GW1

GW2

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2.4 Historical Groundwater Monitoring

Past groundwater monitoring shows that site activities have had no historical, detrimental impact on groundwater quality.

2.5 Hydrological Characteristics of the Site

A summary of site hydrogeological characteristics is shown in the table below.

Bedrock Description (National Draft Generalized Bedrock Map)

Dinantian Upper Impure Limestone

Average Recharge (mm/yr) 33

Hydrogeological Setting Description

Low permeability subsoil

Soil Drainage Dry

Subsoil Description Till derived chiefly from limestone

Subsoil Permeability Low

Groundwater Vulnerability Low

Aquifer category description Locally Important Aquifer - Bedrock which is Moderately Productive only in Local Zones

Recharge Coefficient (%)

0% = Virtually Impermeable

100% = Highly Permeable

7.5%

Maximum Recharge Capacity (mm/yr)

200

Effective Rainfall (mm/yr) 436

GW Flow Direction Insufficient data

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2.6 Conceptual Site Model

The diagram below illustrates a Conceptual Site Model considering sources, pathways and receptors.

Fuel Oil Tank Chemical Storage Haz. Waste

Storage

GW Receptor

Chemicals of Potential Concern

Raw materials

Finished Products -

Pesticides

Fuels and Oils

Potential Infiltration through impervious

yard

Aquifer Characteristics

Vulnerability: Low

Importance: Locally Important

Source Protection Zone: No

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3 Sampling Methodology

A groundwater sample was taken at the relevant monitoring locations on the 17/07/2017. Samples were taken in accordance with EEC’s internal SOP 01.03 Rev 1.04 Collection of a Groundwater Sample and UK Environment Agency’s Guidance on Monitoring of Landfill, Leachate, Groundwater and Surface Water, (Environment Agency 2002, Version 3). The company’s licence defines the monitoring locations and parameters to be monitored.

3.1 Pre-requisites

Sample bottles (See Sample Collection Media for further details)

Coolbox (with ice packs)

Latex gloves

LEN 084/ 085 dip (water level) meter

Waterra Disposable Baler

>50 m string

Tape measure

pH meter (with calibration kit)

Method statement

LQS F61 Sample Labels

Sample Collection Form

Equipment Qty

1 Waterra Disposable Baler, Type DB39 (39 mm O/D) 3

2 Polypropylene string 50 meters

3 LEN 084/ 085 Dip meter 1

4 Tape measure 1

Media Quantity Comment

1 1 litre amber glass bottle 3 Per Borehole

2 Volatile vial 3 Per Borehole, No Headspace

Documents Comment Qty

1 Method statement 1

2 LQS F61 Sample Labels 6

3 SOP 1.03 Collection of grab sample 1

Personal Qualifications Qty

1 Engineer/Environmental consultant Internal Training Task TT04 1

PPE

1 Safety glasses

2 Safety boots

3 Hi Visibility Jacket

4 Latex gloves

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3.2 Method

1. Using the water level meter the borehole depth and the depth to the water level within the borehole was recorded

2. The height of the water column was determined by subtracting the values obtained in step 1.

3. The volume of water within the borehole was determined through using the following calculation; ∏r2h

4. 3 times the volume of water contained in the borehole was purged using a baler. 5. Following this, the baler was used to extract a sample into the required

container/s. 6. Relevant in-situ analysis (i.e. pH, Temp. etc.) took place as required under the

terms of the licence. This analysis was conducted in accordance with company SOP’s.

7. A chain of custody form was complete which records all relevant sampling data. 8. The sample was retained in a cool-box prior to dispatch to laboratory facilities

for further analysis. Note Note All external laboratory analytical services procured are suitably accredited to ISO 17025:2005.

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4 Groundwater Monitoring Results

A summary of groundwater monitoring results for each sample point is shown below. Table 4-1 Monitoring Results

Sample point1

Monitoring Parameter Units Result/s GTV/IGV Non-compliance, Yes/No?

Upward/adverse trend in pollutant concentration over last 5 years of monitoring data?

GW2 pH pH 8.9 N/S N/A Yes

COD mg/l 10.0 N/S N/A No

Semi-VOC’s - <LOD2 - N/A No

VOC’s - <LOD2 - N/A No

GW3 pH pH 8.7 N/S N/A Yes

COD mg/l 9.0 N/S N/A No

Semi-VOC’s - <LOD2 - N/A No

VOC’s - <LOD2 - N/A No N/S – GTV/IGV not specified. N/A – not applicable.

1 GW1 Borehole Dry – no sample retrieved 2 Testing showed that results for all parameters were below the Limit of Detection

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5 Discussion

For all sampling points monitored, pH levels recorded in 2017 were slightly elevated compared to previous years, see figure 5-1. COD levels remained relatively low. Figure 5-1 pH results

There have been no recorded spills/releases of hazardous materials on site. While the pH level has risen it is still within the values set out for groundwater in the EPA’s interim guideline values report (2003), of 6.5-9.5 (pH Units). Analysis of Groundwater samples for VOC’s and Semi-VOC’s took place. No VOC’s or Semi-VOC’s tested for were detected at monitoring points GW2 and GW3. GW1 could not be analysed as the borehole was dry during collection.

6 Conclusions

Of the analysed parameters monitored, pH results indicated a slight upward trend however neither pH nor any other parameter monitored exceeded any applicable threshold limit, as such the company is in compliance with the terms of its licence.

7 Recommended way forward

The client is in compliance with Groundwater Threshold Values for relevant parameters and while it has been identified that there has been a slight upward trend in the pH level, we do not determine this to be a significant change and as such, it is deemed no further action is necessary.

4

5

6

7

8

9

10

2015 2016 2017

pH

Un

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Year

pH

GW1 GW2 GW3

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Appendix 1 Certificates of Analysis

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Appendix 2 Comparison of detected VOC’s and Semi-VOC’s with GTV’s/IGV’s

All VOC’s/Semi-VOC’s which have either a GTV or an IGV are shown in the tables below.

VOC Threshold Limits

Units

Groundwater Threshold

Value Interim

Guideline Value

1,2-Dichlorobenzene µg/l - 10

1,2-Dichloroethane µg/l 2.25 -

Benzene µg/l 0.75 -

Chlorobenzene µg/l - 1

EthylBenzene µg/l - 10

Tetrachloroethene µg/l - 40

Vinyl chloride µg/l 0.375 -

Semi-VOC Threshold Limits

Units

Groundwater Threshold

Value

Interim Guideline

Value

1,2,4-Trichlorobenzene µg/l - 0.4

1,2-Dichlorobenzene µg/l - 10

Anthracene µg/l - 10,000

Benzo(a)Pyrene ng/l 7.5 -

Benzo(b/k)Fluoranthene µg/l - 0.05

Di-n-butylphthalate µg/l - 2

Fluoranthene µg/l - 1

Hexachlorobenzene µg/l - 0.03

Hexachlorobutadiene µg/l - 0.1

Indeno(123-cd)Pyrene µg/l - 0.05

Nitrobenzene µg/l - 10

Pentachlorophenol µg/l - 2

Phenol µg/l - 0.5

No VOC/Semi-VOC speciated compound for which there is a limit has been detected in a concentration above the limit of detection.

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