KMK Metals Recycling Ltd Cappincur Industrial Estate ... · KMK Tullamore Groundwater Monitoring February 2020 Filename: 200302 501.00323.00004 Rev2 KMK Tullamore GW Monitoring Report

GROUNDWATER MONITORING

FEBRUARY 2020

KMK Metals Recycling Ltd

Cappincur Industrial Estate

Daingean Road

Tullamore

Co. Offaly

IE Licence Reg. No. W0113 - 04

SLR Ref: 501.00323.00004 Version No: Rev2 March 2020

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KMK Tullamore Groundwater Monitoring February 2020 Filename: 200302 501.00323.00004 Rev2 KMK Tullamore GW Monitoring Report Feb20

SLR Ref No: 501.00323.00004

March 2020

BASIS OF REPORT

This document has been prepared by SLR Consulting Limited with reasonable skill, care and diligence, and taking account of the manpower, timescales and resources devoted to it by agreement with KMK Metals Recycling Ltd (the Client) as part or all of the services it has been appointed by the Client to carry out. It is subject to the terms and conditions of that appointment.

SLR shall not be liable for the use of or reliance on any information, advice, recommendations and opinions in this document for any purpose by any person other than the Client. Reliance may be granted to a third party only in the event that SLR and the third party have executed a reliance agreement or collateral warranty.

Information reported herein may be based on the interpretation of public domain data collected by SLR, and/or information supplied by the Client and/or its other advisors and associates. These data have been accepted in good faith as being accurate and valid.

The copyright and intellectual property in all drawings, reports, specifications, bills of quantities, calculations and other information set out in this report remain vested in SLR unless the terms of appointment state otherwise.

This document may contain information of a specialised and/or highly technical nature and the Client is advised to seek clarification on any elements which may be unclear to it.

Information, advice, recommendations and opinions in this document should only be relied upon in the context of the whole document and any documents referenced explicitly herein and should then only be used within the context of the appointment.

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SLR Ref No: 501.00323.00004

March 2020

CONTENTS

INTRODUCTION ............................................................................................................... 1

SAMPLING METHODOLOGY ............................................................................................. 1

2.1 Rainfall ...................................................................................................................................... 1

2.2 Laboratory Testing .................................................................................................................... 2

RESULTS .......................................................................................................................... 2

3.1 Groundwater Results – February 2020 ..................................................................................... 2

3.2 Comparison to December 2019 Results .................................................................................... 3

DISCUSSION .................................................................................................................... 4

4.1 Overview ................................................................................................................................... 4

DOCUMENT REFERENCES

TABLES

Table 2-1 Rainfall in mm the week before sampling ............................................................................ 2

Table 3-1 Groundwater (GW1 and GW2) Results – 3rd February 2020 ................................................ 2

Table 3-2 December 2019 and February 2020 results for GW1 and GW2 ........................................... 3

FIGURES

Drawing 01: Site and Sample Locations ............................................................................................... 5

APPENDICES

Appendix 1: Field Record Sheet ........................................................................................................... 7

Appendix 2: Laboratory Results ........................................................................................................... 9

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SLR Ref No: 501.00323.00004

March 2020

Page 1

Introduction

Following a request from the EPA, SLR Consulting Ltd. was commissioned to monitor three groundwater monitoring locations, GW1, GW2 and GW3, at KMK Metals Recycling Ltd., Cappincur Industrial Estate, Daingean Road, Tullamore, Co. Offaly.

Borehole GW1 is located within a pump house on-site and is used for drinking water supply. The water system is treated through a drinking water system, after the sampling point, and is serviced by a contractor annually. Borehole GW2 is a tap located at the southern wall of the WEEE Plant on-site and is used for monitoring purposes, during periods of low rainfall it tops up the rainwater harvester tanks via a ball cock system. GW3 is located off-site to the north of the industrial estate and is not currently in use in any of the industrial estate facilities.

The EPA requested that the frequency of sampling and analysis of groundwater at GW1 and GW2 be increased to quarterly (EPA Request for Corrective Action, EDEN, 2020). This report is the first quarterly report of 2020.

Monitoring was conducted by Clodagh Gillen of SLR Consulting Ltd. on the 3rd February 2020. This report was completed by SLR’s Principal Hydrogeologist Dominica Baird and Project Hydrogeologist Clodagh Gillen.

Sampling Methodology

Groundwater well monitoring locations GW1 and GW2 are presented in Drawing 01. Groundwater well monitoring location GW3 is located off site, to the north of the main entrance.

Groundwater samples from monitoring locations GW1 and GW2 were taken from tanks via taps. The taps were allowed to run for several minutes prior to taking water samples. A YSI meter was used to test the temperature, pH, and conductivity in-situ; parameters such as colour, silt content, and odour were also recorded during sampling; field sheets are presented in Appendix 1. Since the December 2019 monitoring round, the electricity powering the GW3 pump was disconnected due to ESB works that had recently taken place, hence a sample could not be collected. Contractors are due in the coming weeks and hopefully a sample can be collected during the next sampling round.

The samples were collected in the appropriate sample containers, which are supplied by the laboratory for the required analysis. Sample containers were filled and sealed so that there was minimum free air space. The containers were securely sealed so that there was no loss of volatile parameters and no separation of components. All samples containers were clearly and uniquely labelled with details including ID, sampling date and sampling time.

All samples were placed into a cooler box with ice packs to maintain a temperature below 5°C. The samples were forwarded to ALS Environmental Ltd. for analysis. For all monitoring points a grab sample of water was extracted from the outflow of the final sampling chamber. The analysis required for each sample was listed on the Chain of Custody Record which accompanied samples.

2.1 Rainfall The closest rainfall station is in Mullingar approximately 35km north-north-east of the site. The rainfall over the proceeding November, December, and January was 126.7, 82.8, and 54.4mm respectively. November was above its long-term average, December and January were below. See Table 2-1 for rainfall data from the week before sampling. There was a small amount of rainfall on the sampling date of 3rd February 2020.

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Page 2

Table 2-1 Rainfall in mm the week before sampling

27/01/20 28/01/20 29/01/20 30/01/20 31/01/20 01/02/20 02/02/20 03/02/20

4.3 0.9 0.1 0.1 2.8 1.6 3.3 0.6

2.2 Laboratory Testing The groundwater discharge samples were analysed for a suite of parameters:

• Conductivity, pH, total nitrogen, total faecal coliforms

• Metals – chromium, lead, mercury, nickel, arsenic, copper, zinc, iron, aluminium, cadmium

• Chloride

• VOCs, mineral oil/ DROs, kerosene range organics, TPH speciated (TPH CWG)

Results

This section summarises the groundwater results reported for 3rd February 2020 monitoring round. The laboratory results are presented in Appendix 2.

3.1 Groundwater Results – February 2020

The results for the samples taken at monitoring points GW1 and GW2 on 3rd February 2020 can be seen in Table 3-1 below. VOCs, mineral oil/ DROs, kerosene range organics, and TPH speciated (TPH CWG) are not listed in this table as all are below detection limits, see Appendix 2.

Table 3-1 Groundwater (GW1 and GW2) ALS Results – 3rd February 2020

Parameter Unit GW1 GW2 SI No 366 of 2016 (GW Regs)

pH pH Units 7.81 7.69 -

Conductivity µS/cm @ 20°C 494 601 800

Total Nitrogen mg/l


SLR Ref No: 501.00323.00004

March 2020

Page 3

Parameter Unit GW1 GW2 SI No 366 of 2016 (GW Regs)

Nickel mg/l 0.0242 0.0608 -

Zinc mg/l 0.00416 0.00728 0.075

Chloride mg/l 13.1 41.4 187.5

Faecal Coliforms CFU/100ml


SLR Ref No: 501.00323.00004

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Page 4

Discussion

4.1 Overview With regards to the February 2020 results, for groundwater sample GW1, none of the parameters exceeded the assessment criteria (SI No. 366 of 2016 (Groundwater Regulations)).

For groundwater sample GW2, arsenic exceeded the 2016 Groundwater Regulations with a concentration of 25.1µg/l compared to the groundwater regulation of 7.5µg/l.

All VOCs, mineral oil/ DROs, kerosene range organics, and TPH speciated (TPH CWG) in both groundwater samples were below detection limits. Additionally, there was no visual or olfactory evidence of contamination during groundwater sampling.

No coliforms were reported in either sample.

In comparison to the previous round of sampling (2nd December 2019), for sample GW1 no parameters exceeded the 2016 Groundwater Regulations in either sampling round.

For sample GW2, the parameters exceeding the 2016 Groundwater Regulations remained the same; arsenic. The concentrations during both sampling rounds were very similar (25µg/l and 25.1µg/l, respectively).

All VOCs, mineral oil/ DROs, kerosene range organics, and TPH speciated (TPH CWG) were below detection limits during both sampling rounds.

No coliforms were reported in either groundwater sampling round.

It should be noted that there are no Groundwater Regulations for pH, total nitrogen, cadmium, copper, iron, nickel and coliforms.

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Page 5

FIGURES

Drawing 01: Site and Sample Locations

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Direction of Groundwater Flow

GW1

GW2

GROUND WATER MONITORING POINTS

SITE BOUNDARY

LEGEND

ITM CO-ORDINATES

GW1 E635847 N725032

GW2 E635812 N724986

Drawn: DATE: SCALE @

Project Number:

Rev.

Project:

Drawing Title:

Drawing Number:

Old Bridge House, Strand Street, Athlone, Co. WestmeathT: 090 6420364 F: 090 6449034 E: [email protected] W: www.mcullen.ie

MALACHI CULLENCONSULTING ENGINEERS LTD

10-01

ENVIRONMENTAL MONITORING MAP

KMK METALS RECYCLING LTD., TULLAMORE, CO. OFFALY

A4 = 1:2500JAN 2018PK

12-022

-

Groundwater Monitoring Locations

at KMK Metals Recycling Ltd. Facility,

Capincur Industrial Estate, Tullamore, Co. Offaly

Malachi Cullen Consulting Engineers Ltd. OSi Licence No. EN0011618

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AutoCAD SHX TextES

AutoCAD SHX TextT

AutoCAD SHX TextT

AutoCAD SHX Text10kv


AutoCAD SHX TextN

AutoCAD SHX TextE

AutoCAD SHX TextW

AutoCAD SHX TextS


SLR Ref No: 501.00323.00004

March 2020

Page 7

APPENDIX 1

Appendix 1: Field Record Sheet

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Groundwater Sampling Field record Sheet

Groundwater Sampling Field Record Sheet

SLR Consulting Ireland, Unit 7,

Dundrum Business Park, Windy Arbour, Dublin 14.

Site Location: KMK Metals Recycling Ltd, Tullamore, Co. Offaly

SLR Job No.: 501.00323.00004

Date: 03/02/20 Time: 10.30-12.30

Staff: Clodagh Gillen Purging Equipment: Taps

Borehole Number

GW1 GW2

Groundwater Monitoring

Depth from GL to static water level (m)

- -

Total well depth from GL (m) - -

well volume in Well & Sandpack (L) - -

Water Quality Measurements

Temp (oC) 9.4 9.9

pH 7.41 7.31

Dissolved Oxygen (mg/l) 2.88 0.53

Specific Conductivity (uS/cm) 391.1 486.5

Sample Observations

Colour Transparent

Odour Present Slight sulphur odour at GW1 at times. No odour at GW2

Sediment/Precipitate No silt

Free Product No

Hydrocarbon Sheen No sheen

Well Purged Dry No

Any other field observations

GW3 not sampled because electricity was off at that site and therefore pump would not work. Tap at GW1 run for 45-50 minutes before sampling. Tap at GW2 for 40-45 minutes before sampling. Dirty tubing used at GW1 and GW2 to direct water from tap to a drain.

ONE WELL VOLUME (50mm diameter casing)

Terrier Borehole with 50mm Pipe

6" Borehole with 50mm Pipe



8" Borehole with 100mm Pipe 14.25l/m

Note : Purging should continue until Removal of at least three well volumes, or pH, conductivity and

temperature readings have stabilised (any two successive reading are within 10% of eachother). If well is

not recovering and it is not possib le to meet these criteria then a grab sample should be obtained.

4l/m

5.5l/m

11.5l/m

8.25l/m

BS 10175

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SLR Ref No: 501.00323.00004

March 2020

Page 9

APPENDIX 2

Appendix 2: Laboratory Results

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Unit 7-8 Hawarden Business Park

Manor Road (off Manor Lane)

Hawarden

Deeside

CH5 3US

Tel: (01244) 528700

Fax: (01244) 528701

email: [email protected]

Website: www.alsenvironmental.co.uk

SLR Consulting Ireland

CSA House

Unit 7

Dundrum Business Park

Windy Harbour

Dublin

Dublin14

Attention: Clodagh Gillen

CERTIFICATE OF ANALYSIS

Clodagh

Location:

Your Reference:

Sample Delivery Group (SDG):

Customer:

Date of report Generation: 13 February 2020

200205-50

KMK Metals Recycling Ltd

KMK Tullamore

We received 2 samples on Wednesday February 05, 2020 and 2 of these samples were scheduled for analysis which was completed

on Thursday February 13, 2020. Accredited laboratory tests are defined within the report, but opinions, interpretations and on-site

data expressed herein are outside the scope of ISO 17025 accreditation.

Should this report require incorporation into client reports, it must be used in its entirety and not simply with the data sections alone.

Chemical testing (unless subcontracted) performed at ALS Life Sciences Ltd Hawarden (Method codes TM) or ALS Life Sciences Ltd

Aberdeen (Method codes S).

All sample data is provided by the customer. The reported results relate to the sample supplied, and on the basis that this data is

correct.

Incorrect sampling dates and/or sample information will affect the validity of results.

The customer is not permitted to reproduce this report except in full without the approval of the laboratory.

Report No: 541166

SLR Consulting Ireland

Operations Manager

Sonia McWhan

Approved By:

ALS Life Sciences Limited. Registered Office: Units 7 & 8 Hawarden Business Park, Manor Road, Hawarden, Deeside, CH5 3US. Registered in

England and Wales No. 4057291. Version Issued:2.3Version: 13/02/2020

Page 1 of 14

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CERTIFICATE OF ANALYSISSDG: Client Reference:200205-50 KMK Metals Recycling Ltd

Location: Order Number:

Report Number:KMK Tullamore 5554

541166Superseded Report:

Validated

Received Sample OverviewSampled DateLab Sample No(s) Customer Sample Ref. AGS Ref. Depth (m)

21623438 GW1 0.00 - 0.00 03/02/2020

21623453 GW2 0.00 - 0.00 03/02/2020

Only received samples which have had analysis scheduled will be shown on the following pages.

ALS have data which show that a cool box with 4 frozen icepacks is capable of

maintaining pre-chilled samples at a temperature of (5±3)°C for a period of up to 24hrs.ISO5667-3 Water quality - Sampling - Part3 -

During Transportation samples shall be stored in a cooling device capable of maintaining

a temperature of (5±3)°C.

Maximum Sample/Coolbox Temperature (°C) : 6.6

13:31:27 13/02/2020

Page 2 of 14

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Validated

Results Legend

X Test

N No Determination Possible

Lab Sample No(s)

Customer

Sample Reference

Depth (m)

Container

AGS Reference

Sample Types -

S - Soil/Solid

UNS - Unspecified Solid

GW - Ground Water

SW - Surface Water

LE - Land Leachate

PL - Prepared Leachate

PR - Process Water

SA - Saline Water

TE - Trade Effluent

TS - Treated Sewage

US - Untreated Sewage

RE - Recreational Water

DW - Drinking Water Non-regulatory

UNL - Unspecified Liquid

SL - Sludge

G - Gas

OTH - Other

Sample Type

21

62

343

8

21

62

345

3

GW

1

GW

2

0.0

0 - 0

.00

0.0

0 - 0

.00

0.5

l gla

ss bottle

(AL

E22

7)

500

ml P

lastic

(AL

E20

8)

HN

O3 F

iltere

d

(AL

E20

4)

Via

l (ALE

297)

0.5

l gla

ss bottle

(AL

E22

7)

1lp

lastic (A

LE

22

1)

HN

O3 F

iltere

d

(AL

E20

4)

Via

l (ALE

297)

GW

GW

GW

GW

GW

GW

GW

GW

Anions by Kone (w) All NDPs: 0

Tests: 2

X

X

Coliforms (W) All NDPs: 0

Tests: 2

X

X

Conductivity (at 20 deg.C) All NDPs: 0

Tests: 2

X

X

Dissolved Metals by ICP-MS All NDPs: 0

Tests: 2

X

X

EPH CWG (Aliphatic) Aqueous GC (W) All NDPs: 0

Tests: 2

X

X

EPH CWG (Aromatic) Aqueous GC (W) All NDPs: 0

Tests: 2

X

X

GRO by GC-FID (W) All NDPs: 0

Tests: 2

X

X

Mercury Dissolved All NDPs: 0

Tests: 2

X

X

Mineral Oil C10-40 Aqueous (W) All NDPs: 0

Tests: 2

X

X

pH Value All NDPs: 0

Tests: 2

X

X

Total Nitrogen All NDPs: 0

Tests: 2

X

X

TPH CWG (W) All NDPs: 0

Tests: 2

X

X

VOC MS (W) All NDPs: 0

Tests: 2

X

X

13:31:27 13/02/2020

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Validated

ISO17025 accredited.

mCERTS accredited.

Aqueous / settled sample.

Dissolved / filtered sample.

Total / unfiltered sample.

Subcontracted - refer to subcontractor report for

accreditation status.

% recovery of the surrogate standard to check the

efficiency of the method. The results of individual

compounds within samples aren't corrected for the

recovery

Trigger breach confirmed

Sample deviation (see appendix)

#

M

aq

diss.filt

tot.unfilt

*

**

(F)

1-3♦§@

Results Legend

AGS ReferenceLab Sample No.(s)

SDG Ref

Date Received

Date Sampled

Sample Type

Depth (m)

Customer Sample Ref.

MethodLOD/UnitsComponent

Sample Time

GW1

0.00 - 0.00

Ground Water (GW)

03/02/2020

.

05/02/2020

200205-50

21623438

GW2

0.00 - 0.00

Ground Water (GW)

03/02/2020

.

05/02/2020

200205-50

21623453

Coliforms, Faecal* CFU/100ml SUB





Validated

TPH CWG (W)


mCERTS accredited.









recovery



#

M

aq

diss.filt

tot.unfilt

*

**

(F)

1-3♦§@

Results Legend


SDG Ref

Date Received

Date Sampled

Sample Type

Depth (m)



Sample Time

GW1

0.00 - 0.00

Ground Water (GW)

03/02/2020

.

05/02/2020

200205-50

21623438

GW2

0.00 - 0.00

Ground Water (GW)

03/02/2020

.

05/02/2020

200205-50

21623453

GRO Surrogate % recovery** % TM245 102

96

GRO >C5-C12





Validated

VOC MS (W)


mCERTS accredited.









recovery



#

M

aq

diss.filt

tot.unfilt

*

**

(F)

1-3♦§@

Results Legend


SDG Ref

Date Received

Date Sampled

Sample Type

Depth (m)



Sample Time

GW1

0.00 - 0.00

Ground Water (GW)

03/02/2020

.

05/02/2020

200205-50

21623438

GW2

0.00 - 0.00

Ground Water (GW)

03/02/2020

.

05/02/2020

200205-50

21623453

Dibromofluoromethane** % TM208 115

116

Toluene-d8** % TM208 98.2

99.7

4-Bromofluorobenzene** % TM208 100

98.5

Dichlorodifluoromethane





Validated

VOC MS (W)


mCERTS accredited.









recovery



#

M

aq

diss.filt

tot.unfilt

*

**

(F)

1-3♦§@

Results Legend


SDG Ref

Date Received

Date Sampled

Sample Type

Depth (m)



Sample Time

GW1

0.00 - 0.00

Ground Water (GW)

03/02/2020

.

05/02/2020

200205-50

21623438

GW2

0.00 - 0.00

Ground Water (GW)

03/02/2020

.

05/02/2020

200205-50

21623453

Tetrachloroethene





Validated

VOC MS (W)


mCERTS accredited.









recovery



#

M

aq

diss.filt

tot.unfilt

*

**

(F)

1-3♦§@

Results Legend


SDG Ref

Date Received

Date Sampled

Sample Type

Depth (m)



Sample Time

GW1

0.00 - 0.00

Ground Water (GW)

03/02/2020

.

05/02/2020

200205-50

21623438

GW2

0.00 - 0.00

Ground Water (GW)

03/02/2020

.

05/02/2020

200205-50

21623453

1,3,5-Trichlorobenzene





Validated

Table of Results - AppendixMethod No Reference Description

SUB Subcontracted Test

TM120 Method 2510B, AWWA/APHA, 20th Ed., 1999 / BS 2690:

Part 9:1970

Determination of Electrical Conductivity using a Conductivity Meter

TM152 Method 3125B, AWWA/APHA, 20th Ed., 1999 Analysis of Aqueous Samples by ICP-MS

TM172 Analysis of Petroleum Hydrocarbons in Environmental

Media – Total Petroleum Hydrocarbon Criteria

EPH in Waters

TM174 Analysis of Petroleum Hydrocarbons in Environmental

Media – Total Petroleum Hydrocarbon Criteria

Determination of Speciated Extractable Petroleum Hydrocarbons in Waters by GC-FID

TM183 BS EN 23506:2002, (BS 6068-2.74:2002) ISBN 0 580

38924 3

Determination of Trace Level Mercury in Waters and Leachates by PSA Cold Vapour

Atomic Fluorescence Spectrometry

TM184 EPA Methods 325.1 & 325.2, The Determination of Anions in Aqueous Matrices using the Kone Spectrophotometric

Analysers

TM208 Modified: US EPA Method 8260b & 624 Determination of Volatile Organic Compounds by Headspace / GC-MS in Waters

TM212 SO/TR 11905-2: 1997. Water quality – Determination of

nitrogen –Part 2:Determination of bound nitrogen, after

combustion and oxidation to nitrogen dioxide,

chemiluminescence detection.

Determination of Total Nitrogen by High Temperature Catalytic Oxidation followed by

Chemiluminescence Detection

TM245 By GC-FID Determination of GRO by Headspace in waters

TM256 The measurement of Electrical Conductivity and the

Laboratory determination of pH Value of Natural, Treated

and Wastewaters. HMSO, 1978. ISBN 011 751428 4.

Determination of pH in Water and Leachate using the GLpH pH Meter

NA = not applicable.

Chemical testing (unless subcontracted) performed at ALS Life Sciences Ltd Hawarden (Method codes TM) or ALS Life Sciences Ltd Aberdeen (Method codes S).

13:31:27 13/02/2020

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Validated

Test Completion DatesLab Sample No(s)


Depth

Type

AGS Ref.

21623438 21623453

GW1 GW2

0.00 - 0.00 0.00 - 0.00

Ground Water Ground Water

Anions by Kone (w) 08-Feb-2020 08-Feb-2020

Coliforms (W) 07-Feb-2020 07-Feb-2020

Conductivity (at 20 deg.C) 07-Feb-2020 07-Feb-2020

Dissolved Metals by ICP-MS 12-Feb-2020 12-Feb-2020

EPH CWG (Aliphatic) Aqueous GC (W) 13-Feb-2020 13-Feb-2020

EPH CWG (Aromatic) Aqueous GC (W) 13-Feb-2020 13-Feb-2020

GRO by GC-FID (W) 10-Feb-2020 10-Feb-2020

Mercury Dissolved 11-Feb-2020 11-Feb-2020

Mineral Oil C10-40 Aqueous (W) 12-Feb-2020 12-Feb-2020

pH Value 11-Feb-2020 11-Feb-2020

Total Nitrogen 10-Feb-2020 10-Feb-2020

TPH CWG (W) 13-Feb-2020 13-Feb-2020

VOC MS (W) 07-Feb-2020 07-Feb-2020

13:31:27 13/02/2020

Page 10 of 14

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CERTIFICATE OF ANALYSIS

SDG: Client Reference:200205-50 KMK Metals Recycling LtdLocation: Order Number:



Clodagh

Appendix1. Results are expressed on a dry weight basis (dried at 35ºC) for all soil analyses except

for the following: NRA and CEN Leach tests, flash point LOI, pH, ammonium as NH4 by the

BRE method, VOC TICs and SVOC TICs.

2. If sufficient sample is received a sub sample will be retained free of charge for 30 days

after analysis is completed (e-mailed) for all sample types unless the sample is destroyed

on testing. The prepared soil sub sample that is analysed for asbestos will be retained for a

period of 6 months after the analysis date. All bulk samples will be retained for a period of 6

months after the analysis date. All samples received and not scheduled will be disposed of

one month after the date of receipt unless we are instructed to the contrary. Once the initial

period has expired, a storage charge will be applied for each month or part thereof until the

client cancels the request for sample storage. ALS reserve the right to charge for samples

received and stored but not analysed.

3. With respect to turnaround, we will always endeavour to meet client requirements

wherever possible, but turnaround times cannot be absolutely guaranteed due to so many

variables beyond our control.

4. We take responsibility for any test performed by sub -contractors (marked with an

asterisk). We endeavour to use UKAS/MCERTS Accredited Laboratories, who either

complete a quality questionnaire or are audited by ourselves. For some determinands there

are no UKAS/MCERTS Accredited Laboratories, in this instance a laboratory with a known

track record will be utilised.

5. If no separate volatile sample is supplied by the client, or if a headspace or sediment is

present in the volatile sample, the integrity of the data may be compromised. This will be

flagged up as an invalid VOC on the test schedule and the result marked as deviating on

the test certificate.

6. NDP - No determination possible due to insufficient /unsuitable sample.

7. Results relate only to the items tested.

8. LoDs (Limit of Detection) for wet tests reported on a dry weight basis are not corrected

for moisture content.

9. Surrogate recoveries - Surrogates are added to your sample to monitor recovery of the

test requested. A % recovery is reported, results are not corrected for the recovery

measured. Typical recoveries for organics tests are 70-130%. Recoveries in soils are

affected by organic rich or clay rich matrices . Waters can be affected by remediation fluids

or high amounts of sediment. Test results are only ever reported if all of the associated

quality checks pass; it is assumed that all recoveries outside of the values above are due

to matrix affect.

10. Stones/debris are not routinely removed. We always endeavour to take a

representative sub sample from the received sample.

11. In certain circumstances the method detection limit may be elevated due to the sample

being outside the calibration range. Other factors that may contribute to this include

possible interferences. In both cases the sample would be diluted which would cause the

method detection limit to be raised.

12. Mercury results quoted on soils will not include volatile mercury as the analysis is

performed on a dried and crushed sample.

13. For leachate preparations other than Zero Headspace Extraction (ZHE) volatile loss

may occur.

14. For the BSEN 12457-3 two batch process to allow the cumulative release to be

calculated, the volume of the leachate produced is measured and filtered for all tests. We

therefore cannot carry out any unfiltered analysis. The tests affected include volatiles

GCFID/GCMS and all subcontracted analysis.

15. Analysis and identification of specific compounds using GCFID is by retention time

only, and we routinely calibrate and quantify for benzene, toluene, ethylbenzenes and

xylenes (BTEX). For total volatiles in the C5-C12 range, the total area of the chromatogram

is integrated and expressed as ug/kg or ug/l. Although this analysis is commonly used for

the quantification of gasoline range organics (GRO), the system will also detect other

compounds such as chlorinated solvents, and this may lead to a falsely high result with

respect to hydrocarbons only. It is not possible to specifically identify these

non-hydrocarbons, as standards are not routinely run for any other compounds, and for

more definitive identification, volatiles by GCMS should be utilised.

16. We are accredited to MCERTS for sand, clay and loam/topsoil, or any of these

materials - whether these are derived from naturally occurring soil profiles, or from fill/made

ground, as long as these materials constitute the major part of the sample. Other coarse

granular material such as concrete, gravel and brick are not accredited if they comprise the

major part of the sample.

Identification of Asbestos in Bulk Materials & Soils

The results for identification of asbestos in bulk materials are obtained from supplied

bulk materials which have been examined to determine the presence of asbestos fibres

using ALS (Hawarden) in-house method of transmitted/polarised light microscopy and

central stop dispersion staining, based on HSG 248 (2005).

The results for identification of asbestos in soils are obtained from a homogenised sub

sample which has been examined to determine the presence of asbestos fibres using

ALS (Hawarden) in-house method of transmitted/polarised light microscopy and central

stop dispersion staining, based on HSG 248 (2005).

-Fibrous Tremol ite

-Fib ro us Anthop hyll ite

-Fibrous Acti nolite

Blue Asbe stosCro ci dolite

Brow n AsbestosAmosite

White AsbestosChrysoti le

Common NameAsbe stos Type

-Fibrous Tremol ite

-Fib ro us Anthop hyll ite

-Fibrous Acti nolite

Blue Asbe stosCro ci dolite

Brow n AsbestosAmosite

White AsbestosChrysoti le

Common NameAsbe stos Type

Visual Estimation Of Fibre Content

Estimation of fibre content is not permitted as part of our UKAS accredited test other

than: - Trace - Where only one or two asbestos fibres were identified.

Respirable Fibres

Respirable fibres are defined as fibres of 75% are reported based on the best mass spectral library match. When a non-target

peak with a library search confidence of

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