Groundwater Monitoring Report for Hollywood Landfill (WL ... · and integrate it into the surrounding landscape. 1.1.2 The facility is licensed by the Environmental Protection Agency

Murphy Environmental Groundwater Monitoring Report for Gormanston Inert Waste Facility (EPA Licence W0151-01), Quarter 4, 2019 January 2020

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Report Issue Form

IF-11B Revision: 02 (21st July 2011)

Client Name: Murphy Environmental

Client Address: Sarsfieldstown, Gormanston, Co. Meath

Report Title: Groundwater Monitoring Report for Gormanston Inert Waste Facility (EPA Licence W0151-01), Quarter 4, 2019

Project Code: MU0122

Consultant (Name): Kerstie Flanagan

Consultant (Sign):

Consultant (Date): 13th January 2020

Approved by Project Director (Name): Dr. Conor Tonra

Approved by Project Director (Sign):

Approved by Project Director (Date): 13th January 2020

Issue No. Date Status

01 13/01/2020 Final version. Issue to Client and EPA (via EDEN).

Notes/Comments:

Patel Tonra Ltd., Environmental Solutions, 3f, Fingal Bay Business Park, Balbriggan, Co Dublin Tel: 01 8020520 Fax: 01 8020525 www.pateltonra.com

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Murphy Environmental

Groundwater Monitoring Report for Gormanston Inert Waste Facility (EPA Licence W0151-01), Quarter 4, 2019

Contents

Executive Summary ................................................................................... 1 1.0 Introduction ................................................................................... 2 2.0 Results .......................................................................................... 6 3.0 Discussion ................................................................................... 24 4.0 Conclusion ................................................................................... 27

Appendices Appendix 1: Field Monitoring Records Appendix 2: Chain of Custody Documentation Appendix 3: Laboratory Results Appendix 4: Calibration Records for pH and Conductivity meters Figures Figure 1: Monitoring Locations Figure 2: Groundwater Flow Map

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Executive Summary

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Executive Summary

1. Murphy Environmental (a division of Murphy Concrete Manufacturing Ltd.)

operates a restoration and recovery facility for inert waste at its site (a sand and gravel pit) at Gormanston, Sarsfieldstown, Co. Meath, under EPA Licence W0151-01. Restoring the site will serve to return it in line with pre-quarrying conditions and integrate it into the surrounding landscape.

2. Quarterly monitoring of groundwater was carried out by Patel Tonra Ltd on the 28th November 2019 (Quarter 4, 2019) as required under Waste Licence W0151-01.

3. There were exceedances of the Groundwater Regulations threshold values as follows:

Ammonical Nitrogen exceeded the Groundwater Regulations in MW-1, MW-3,

MW-4, and TW-2.

4. There were exceedances of the EPA Trigger Levels in groundwater measured as follows:

Chloride exceeded the EPA trigger level in MW-14.

Sulphate exceeded the EPA trigger level in MW-19.

Conductivity exceeded the EPA trigger level in MW-20 and MW-21.

5. As these exceedances are caused by natural sources either due to agricultural activity or the geological conditions of the site and not due to site activities, they are not deemed to be incidents reportable to the Agency.

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Chapter

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1.0 Introduction

1.1 Background 1.1.1 Murphy Environmental (a division of Murphy Concrete Manufacturing Ltd.)

operates a restoration and recovery facility for inert waste at its site (a sand and gravel pit) at Gormanston, Sarsfieldstown, Co. Meath, under EPA Licence W0151-01. Restoring the site will serve to return it in line with pre-quarrying conditions and integrate it into the surrounding landscape.

1.1.2 The facility is licensed by the Environmental Protection Agency (EPA) and operates

under Waste Licence W0151-01. The licensee (Murphy Environmental) must manage and operate the facility to ensure that the activities do not cause environmental pollution.

1.1.3 Murphy Environmental is required to carry out monitoring of surface water,

groundwater and leachate in accordance with Schedule D of Waste Licence W0151-01 (and subsequent agreements with the Agency in terms of the monitoring schedule). Quarterly sampling and analysis of groundwater for the parameters listed in Table D.6.1 of the licence were required during this sampling round, Quarter 3 of 2019.

1.2 Monitoring Locations 1.2.1 The groundwater monitoring locations as specified in Waste Licence W0151-01 are

listed in Table 1.1 overleaf.

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Chapter

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Table 1.1: Location of monitoring wells at Gormanston (W0151-01) as illustrated in Figure 1

Monitoring Ref. Location Type of Monitoring Well N/S/E/

W of site Grid Reference

MW – 1 Adjacent to site entrance

GW overburden well S E315818.71 N268129.95

MW – 2 Zone 6 GW overburden well N E315690.37 N268612.96

MW – 3 Downstream GW bedrock well E E316153.90 N268342.71

MW – 4 Downstream GW overburden well E E316155.22 N268332.76

MW – 5 Downstream GW bedrock well NE E316052.13 N268474.60

MW – 6 Downstream GW overburden well NE E316041.02 N268472.12

TW – 2 Upstream GW bedrock well W E315469.72 N268352.12

MW – 14 Zone 2 GW bedrock well S E315942.62 N268141.75

MW – 16 Downstream GW bedrock well SE E316238.69 N268191.92

MW – 17 Downstream Gas/GW Overburden well SE E316239.59 N268183.91

MW – 18 Upstream GW bedrock well NW E315337.14 N268571.79

MW – 19 Upstream Gas/GW overburden well NW E315347.61 N268574.31

MW – 20 Downstream Gas/GW overburden well SE E316261.76 N268090.81

MW – 21 Upstream Gas/GW overburden well W E315482.12 N268360.95

MW – 22 Zone 1 GW overburden well SW E315517.64 N268171.45

MW - 24 Upstream GW overburden well NW E315310.43 N268462.32

MW - 25 Upstream GW bedrock well NW E315312.76 N268460.81

PW – 3 Downstream Private well SE Not available

1.2.2 Monitoring wells MW-11, MW-12, MW-13 and MW-15 were decommissioned and replaced by MW-22, MW-24, MW- 25 during Quarters 3 to 4, 2005, as shown in Figure 1.

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Chapter

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1.3 Sampling Personnel 1.3.1 Sampling was carried out by Kerstie Flanagan (BSc (Hons), MSc, MCIWM) and

Luke Martin (BA(Hons), MSc) of Patel Tonra Ltd. on the 28th November 2019 under the instruction of Murphy Environmental.

1.4 Sampling Methodology 1.4.1 During sampling it was borne in mind that stagnant groundwater in the well casing

and in close proximity to the borehole is not representative of the general groundwater at any given location. To ensure that the groundwater samples extracted from the monitoring boreholes were representative of the water held in the underlying subterranean strata and not stagnant water held in the borehole casing, the evacuation of the borehole was undertaken before sampling was carried out.

1.4.2 Hand balers were used to obtain water samples from each borehole. The balers

were flushed after each borehole was sampled, to eliminate the possibility of cross-contamination.

1.4.3 Conductivity, pH, DO and temperature were measured in situ. Please find attached

field monitoring results in Appendix 1. The meter was calibrated before use; please see the calibration records in Appendix 4.

1.4.4 All groundwater and leachate samples were returned to the laboratory and

appropriately stored at 4oC according to standard sampling techniques. 1.5 Laboratory Details 1.5.1 Analysis of water samples was conducted by Element Materials Technology.

Element Materials Technology are UKAS accredited. Chain of Custody documentation is included in Appendix 2. Laboratory results are included in Appendix 3.

1.6 Interpretation of Results 1.6.1 Interpretative reports have been prepared and reviewed in accordance with Patel

Tonra Ltd. quality control procedures. 1.6.2 Groundwater analytical results were compared against European Communities

Environmental Objectives (Groundwater)(Amendment) Regulations, 2016 (S.I. No. 366 of 2016)1, (referred to as the ‘Groundwater Regulations 2016’).

1.6.3 EPA Parameters of Water Quality – Interpretation and Standards (2001) was

referenced throughout the interpretation (however it was noted that additional/amended legislation may now be in force).

1.6.4 Where results exceeded limits prescribed in legislation or trigger levels, this is

highlighted in the report and possible causes described. Where results exceed the EPA trigger level for Waste Licence W0151-01 they are highlighted in yellow, where they exceed the legislative limit values, they are highlighted in red.

1.6.5 A groundwater flow map has been prepared based on Q3, 2013 data. Please find

attached as Figure 2.

1 S.I. No. 366 of 2016, Schedule 5, Groundwater Threshold Values, Column 4

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1.7 Site Activities 1.7.1 To aid in interpretation of monitoring reports, the type and level of activity

operating2 during the period is detailed below. 1.7.2 The W0151-01 licensed tonnes per annum is 750,000; this equates to a licensed

tonnes per month of 62,500. The level of activity on site has been banded as follows: Normal level of activity: Waste acceptance of 45,000 - 65,000 tonnes per

month

High level of activity: Waste acceptance of >65,000 tonnes per month

Low level of activity: Waste acceptance <45,000 tonnes per month

1.7.3 On this basis, the level of activity at the site for the monitoring period can be

categorised as follows:

September 2019: Low level of activity

October 2019: Low level of activity

November 2019: Site Closed

1.7.4 Gravel processing activities commenced at the site in May 2017.

2 Information requested by the Agency as EPA Correspondence, EPA Reference No. (W0151-01)13SI09MOR re. EPA Site Inspection 28/11/2013

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Chapter

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2.0 Results

2.1 Groundwater 2.1.1 Groundwater analytical results were compared against European Communities

Environmental Objectives (Groundwater) Regulations, 2016 (S.I. No. 366 of 2016)3, (referred to as the ‘Groundwater Regulations 2016’) and trigger levels as specified by the EPA for this site. The results of the groundwater analysis for Quarter 2, 2018 for each borehole are given in Tables 2.1 to Table 2.18 below.

Table 2.1: Quarterly Groundwater Monitoring Results for MW-1

Parameter Units GW Regs 20164

EPA Trigger Levels for W0151-01

Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 6.1 6.7 7.5 7.7

Temperature oC - N/A 13.1 14.9 12.7 12.4

Conductivity mS/cm 1.875 1.0 0.99 0.75 0.70 0.52

Ammoniacal Nitrogen mg/l N 0.18 N/A 6.31 6.06 4.18 0.03

Dissolved Oxygen mg/l - N/A 6.0 6.0 4.2 7.9

Chloride mg/l 187.5 70 46.9 48.4 50.7 40.6

Sulphate mg/l 187.5 140 68.6 45.9 75.7 14.0

Total Organic Carbon mg/l - 50 7.0 4.0 2.0 3.0

Total Phenols mg/l - N/A <0.1 <0.1 <0.1 <0.1

Odour N/A - N/A None None None None

Visual N/A - N/A Clear Clear Clear Clear

Water Level m OD - N/A 15.70 15.30 14.97 15.35

3 Schedule 5, Groundwater Threshold Values, Column 4 4 S.I. No. 366 of 2016, Schedule 5, Groundwater Threshold Values, Column 4

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Chapter

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EPA Trigger

Levels for W0151-

01

Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 8.8 8.7 6.5 9.2



Ammoniacal Nitrogen mg/l N 0.18 N/A 0.08 0.05 0.09 <0.03


Chloride mg/l 187.5 70 31.0 34.6 33.8 31.7

Sulphate mg/l 187.5 140 13.9 15.9 21.5 17.6

Total Organic Carbon mg/l - 50 <2.0 <2.0 <2.0 <2.0


Odour N/A - N/A None None Decaying Odour None

Visual N/A - N/A Silty Silty Silty Silty



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Chapter

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EPA Trigger

Levels for W0151-01

Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 7.1 7.4 7.4 7.8



Ammoniacal Nitrogen mg/l N 0.18 N/A 2.32 2.35 1.78 1.07


Chloride mg/l 187.5 70 12.8 13.4 14.3 14.3

Sulphate mg/l 187.5 140 3.2 0.6 3.2 4.6

Total Organic Carbon mg/l - 50 6.0 6.0 <2.0 4.0


Odour N/A - N/A None None None Sulphurous




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Chapter

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EPA Trigger

Levels for W0151-01

Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 6.8 6.9 7.4 7.3



Ammoniacal Nitrogen

mg/l NH4-N 0.18 N/A 0.54 0.84 1.17 1.01


Chloride mg/l 187.5 70 27.9 43.8 44.7 41.5

Sulphate mg/l 187.5 140 65.0 97.1 101.2 104.1

Total Organic Carbon mg/l - 50 6.0 <2.0 <2.0 6.0



Visual N/A - N/A Orange Tinge

Orange Tinge

Orange Tinge

Orange Tinge



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Chapter

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EPA Trigger

Levels for W0151-01

Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 7.0 6.9 7.4 7.3



Ammoniacal Nitrogen mg/l N 0.18 N/A <0.03 0.26 0.33 0.32


Chloride mg/l 187.5 70 46.6 43.3 45.1 43.6

Sulphate mg/l 187.5 140 101.7 92.0 97.9 123.7

Total Organic Carbon mg/l - 50 2.0 4.0 <2.0 <2.0



Visual N/A - N/A Clear Clear Brown Tinge Clear



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Chapter

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EPA Trigger

Levels for W0151-01

Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 7.3 7.3 7.6 7.7



Ammoniacal Nitrogen mg/l NH4-N 0.18 N/A <0.03 0.12 0.05 0.03


Chloride mg/l 187.5 70 12.2 11.3 11.5 11.0

Sulphate mg/l 187.5 140 20.7 21.9 21.0 22.5




Visual N/A - N/A Clear Brown Tinge

Green Tinge

Brown Suspended

Solids



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Chapter

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EPA Trigger

Levels for W0151-01

Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 8.0 8.1 7.3 8.2



Ammoniacal Nitrogen mg/l N 0.18 N/A <0.03 <0.03 0.05 0.06


Chloride mg/l 187.5 70 189.6 184.5 172.9 145.0

Sulphate mg/l 187.5 140 2.6 2.4 3.3 3.1

Total Organic Carbon mg/l - 50 2.0 3.0 3.0 3.0


Odour N/A - N/A None Eggy None Eggy




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Chapter

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EPA Trigger

Levels for W0151-

01

Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 7.2 7.4 7.9 7.8



Ammoniacal Nitrogen mg/l N 0.18 N/A 0.04 0.04 <0.03 <0.03


Chloride mg/l 187.5 70 46.4 44.8 46.4 46.4

Sulphate mg/l 187.5 140 4.5 5.0 7.8 9.7



Odour N/A - N/A Eggy Eggy None None

Visual N/A - N/A Clear Clear Brown Tinge

Suspended solids



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Chapter

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Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 6.8 6.7 7.3 7.2



Ammoniacal Nitrogen mg/l N 0.18 N/A <0.03 <0.03 <0.03 <0.03


Chloride mg/l 187.5 70 32.4 42.5 45.4 48.1

Sulphate mg/l 187.5 140 83.2 91.7 96.2 107.5

Total Organic Carbon mg/l - 50 4.0 4.0 <2.0 <2.0



Visual N/A - N/A Brown Tinge

Brown Tinge

Brown Tinge

Brown Suspended

Solids



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Chapter

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Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 8.0 8.2 7.6 7.8





Chloride mg/l 187.5 70 44.3 44.2 45.4 45.6

Sulphate mg/l 187.5 140 18.8 26.9 96.2 31.3


Total Phenols

mg/l - N/A <0.1 <0.1 <0.1 <0.1





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Chapter

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Q4, 2019

Q3, 2019

Q2. 2019

Q1, 2019

pH pH units - 6.5<pH<9 7.4 7.2 7.4 7.4





Chloride mg/l 187.5 70 25.3 39.6 40.5 49.7

Sulphate mg/l 187.5 140 151.3 94.0 32.9 152.3




Visual N/A - N/A Clear Brown

Suspended Solids

Silty Clear



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Chapter

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Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 6.7 6.8 7.3 7.2





Chloride mg/l 187.5 70 36.5 45.7 45.2 36.3

Sulphate mg/l 187.5 140 92.1 89.9 99.2 73.4

Total Organic Carbon mg/l - 50 4.0 <2.0 4.0 4.0






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Chapter

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Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 6.9 7.2 7.2 8.3





Chloride mg/l 187.5 70 57.2 102.7 130.7 104.6

Sulphate mg/l 187.5 140 86.0 91.4 77.8 84.3

Total Organic Carbon mg/l - 50 <2.0 <2.0 <2.0 4.0



Visual N/A - N/A Clear Brown Slight Green Tinge

Clear



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Chapter

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Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 7.1 6.8 7.5 7.4



Ammoniacal Nitrogen mg/l N 0.18 N/A <0.05 0.11 0.04 <0.03


Chloride mg/l 187.5 70 30.1 99.3 125.2 86.9

Sulphate mg/l 187.5 140 22.9 46.3 52.7 43.0




Visual N/A - N/A Clear Brown Brown Cloudy



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Chapter

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Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 7.2 6.9 7.4 7.5



Ammoniacal Nitrogen mg/l NH4-N 0.18 N/A <0.03 0.03 0.05 0.03


Chloride mg/l 187.5 70 44.9 34.3 33.2 45.9

Sulphate mg/l 187.5 140 28.0 31.5 32.5 38.8







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Chapter

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Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 7.1 6.8 7.4 7.3



Ammoniacal Nitrogen mg/l NH4-N 0.18 N/A 0.03 <0.03 <0.03 <0.03


Chloride mg/l 187.5 70 37.3 42.3 44.0 39.8

Sulphate mg/l 187.5 140 28.4 32.3 36.0 37.6




Visual N/A - N/A Clear Clear Brown Tinge

Oily Sheen



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Chapter

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Table 2.17: Quarterly Groundwater Monitoring Results for TW-2



Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 8.2 8.3 8.5 8.6



Ammoniacal Nitrogen mg/l NH4-N 0.18 N/A 13.25 13.57 13.28 12.51


Chloride mg/l 187.5 70 26.1 26.6 26.2 26.5

Sulphate mg/l 187.5 140 <0.5 0.6 <0.5 0.8




Visual N/A - N/A Clear Brown SS

Green Tinge

Brown SS



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Chapter

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Table 2.18: Quarterly Groundwater Monitoring Results for PW-3



Q4, 2019

Q3, 2019

Q2, 2019

Q1, 2019

pH pH units - 6.5<pH<9 6.9 7.4 7.8 7.9



Ammoniacal Nitrogen

mg/l NH4-N 0.18 N/A <0.03 <0.03 <0.03 <0.03


Chloride mg/l 187.5 70 28.3 27.7 50.9 30.1

Sulphate mg/l 187.5 140 67.5 37.0 43.3 85.6

Total Organic Carbon mg/l - 50 2.0 <2.0 <2.0 <2.0




Water Level m OD - N/A N/A N/A N/A N/A


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Chapter

3

- 24 -

3.0 Discussion

3.1 Trigger Levels 3.1.1 The results of the groundwater monitoring programme at Gormanston for Quarter 3, 2019

were compared against European Communities Environmental Objectives (Groundwater)(Amendment) Regulations, 2016 (S.I. No. 366 of 2016)22, (referred to as the ‘Groundwater Regulations 2016’) and trigger levels as specified by the EPA for this site.

3.1.2 There were exceedances of the Groundwater Regulations threshold values as follows:

Ammonical Nitrogen exceeded the Groundwater Regulations in MW-1, MW-3, MW-4, and TW-2.

3.1.3 There were exceedances of the EPA Trigger Levels in groundwater measured as follows:

Chloride exceeded the EPA trigger level in MW-14.



3.2 Groundwater Boreholes

Ammoniacal Nitrogen 3.2.1 Ammoniacal Nitrogen is generally present in natural waters, though in very small

amounts, as a result of microbiological activity, which causes the reduction of nitrogen-containing compounds. When present in levels above 0.1 mg/l N, sewage or industrial contamination may be indicated.

3.2.2 There were exceedances of the Groundwater Regulations threshold values for Ammoniacal

Nitrogen (0.18 mg/l N) in MW-1, MW-3, MW-4, and TW-2. 3.2.3 The Ammoniacal Nitrogen for MW-1 for Q4, 2019 (6.31mg/l) was greater than the

average result (0.41 mg/l) shown in the historical monitoring record for this location

3.2.4 The Ammoniacal Nitrogen for MW-3 for Q4, 2019 (2.32 mg/l) was greater than the average result (0.42 mg/l) shown in the historical monitoring record for this location.

3.2.5 The Ammoniacal Nitrogen for MW-4 for Q4, 2019 (0.54 mg/l) was greater than the

average result (0.74 mg/l) shown in the historical monitoring record for this location. 3.2.6 The Ammoniacal Nitrogen for TW-2 for Q4, 2019 (13.25 mg/l) was higher than the

average historical monitoring record for this location (3.02mg/l). The monitoring record shows a gradual increase in Ammoniacal Nitrogen levels at this location.

3.2.7 Ammoniacal Nitrogen has been consistently found in previous sampling rounds at various

positions on or close to the site; both upstream and downstream (see Table 3.1). This is likely to be associated with agricultural and sewage pollution sources in the area.


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Chapter

3

- 25 -

Table 3.1: Ammoniacal Nitrogen (mg/l N) at Gormanston Historically in Comparison to the Groundwater Regulations threshold values

Monitoring Point Location Q4,

2019 Q3,

2019 Q2,

2019 Q1,

2019 Q4,

2018 Q3,

2018 Q2,

2018 Q1,

2018 Q4,

2017

MW – 1 On-Site 6.31 6.06 5.37 0.03 3.14 2.26 0.37 <0.03 1.51

MW – 2 On-Site 0.08 0.05 0.09 <0.03 0.15 0.11 0.06 0.04 0.11

MW – 3 Down-stream 2.32 2.35 1.78 1.07 1.39 1.46 2.22 4.59 0.23

MW – 4 Down-stream 0.54 0.84 1.17 1.01 0.95 1.02 0.98 0.09 0.64

MW – 5 Down-stream <0.03 0.26 0.33 0.32 0.04 0.12 0.05 0.12 0.47

MW – 6 Down-stream <0.03 0.12 0.05 0.03 0.03 0.05 0.05 <0.03 0.34

MW – 14 On-Site <0.03 <0.03 0.05 0.06 <0.03 0.04 0.06 1.13 0.04

MW – 16 Down-stream 0.04 0.04 <0.03 <0.03 0.04 0.05 0.03 0.10 0.10

MW – 17 Down-stream <0.03 <0.03 <0.03 <0.03 <0.03 0.04 <0.03 0.22 <0.03

MW – 18 Upstream <0.07 <0.03 <0.03 <0.03 0.05 0.05 0.05 <0.03 0.03

MW – 19 Upstream <0.03 <0.03 <0.03 <0.03 <0.03 0.07 4.75 <0.03 <0.03

MW – 20 Down-stream <0.03 <0.03 <0.03 <0.03 <0.03 0.05 0.05 - <0.03

MW – 21 Upstream <0.03 <0.03 <0.03 <0.03 0.03 0.04 0.05 0.06 0.14

MW – 22 Upstream 0.05 0.11 0.04 <0.03 <0.03 0.05 0.09 <0.03 <0.03

MW – 24 Upstream <0.03 0.03 0.05 0.03 <0.03 0.05 <0.03 <0.03 <0.03

MW – 25 Upstream 0.03 <0.03 0.04 <0.03 <0.03 0.04 <0.03 0.05 <0.03

TW – 2 Upstream 13.25 13.57 13.28 12.51 11.45 10.83 11.22 11.21 10.05

PW – 3 Down-stream <0.03 <0.03 <0.03 <0.03 <0.03 0.03 <0.03 - <0.03

GW Regs 2010 - 0.18 0.18 0.18 0.18 0.18 0.18 0.18 0.18 0.18

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Chapter

3

- 26 -

Chloride

3.2.7 Chloride exists in all natural waters and has no direct health or sanitary significance. 3.2.8 Chloride exceeded the EPA trigger level (70 mg/l) in MW-14 (189.6 mg/l). This is above

the historic average (56.0 mg/l) at this location. Sulphate

3.2.9 Sulphates exist in nearly all natural waters, the concentrations varying according to the nature of the terrain through which they flow. They are often derived from the sulphides of heavy metals (iron, nickel, copper and lead).

3.2.10 Sulphate exceeded the EPA trigger level (140 mg/l) in MW-19 (151.3mg/l). This is above the historic average (137.2 mg/l) at this location. Conductivity

3.2.11 Conductivity reflects the mineral salt content of water. It has no direct health/sanitary significance.

3.2.12 Conductivity exceeded the EPA trigger level (1.0mS/cm) in MW-20 (1.04mS/cm). This is

above the historic average (0.94mS/cm) at this location. 3.2.13 Conductivity exceeded the EPA trigger level (1.0mS/cm) in MW-21 (1.06mS/cm). This is

above the historic average (0.62mS/cm) at this location.

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Chapter

4

- 27 -

4.0 Conclusion

4.0.1 There were exceedances of Groundwater Regulations threshold values in

groundwater measured as follows:

Ammonical Nitrogen exceeded the Groundwater Regulations in MW-1, MW-3, MW-4, and TW-2.

4.0.2 There were exceedances of the EPA Trigger Levels in groundwater measured as

follows:

Chloride exceeded the EPA trigger level in MW-14, MW-21 and MW-22.



4.0.3 As these exceedances are caused by natural sources either due to agricultural activity or the geological conditions of the site and not due to site activities, they are not deemed to be incidents reportable to the Agency.

4.0.4 Routine ongoing monitoring will be completed in line with requirements of EPA Waste Licence W0151-01.

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Appendix

1

Appendix 1: Field Monitoring Records

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Sampling Sheet for Groundwater Samples Quarter 4, 2019

Client: Murphy Environmental Site: Gormanston (EPA Licence W0151-01) Project Code: MU0122

Date: 28.11.19 Time: All Day Consultant(s): KF/LM

Page 1 of 3

Monitoring

Point Depth Below

TOC (m) Temp.

(oC)

pH DO

(mg/L &

%)

Conductivity

(µS)

Odour Visual Comments

MW1 15.7 13.1 6.1 4.21mg/L

40.1% 606 None Clear

MW2 12.42 11.2 8.3 3.73mg/L

34.0% 126.1 None Brown

MW3 12.8 11.4 7.1 4.74mg/L

39.7% 197.6 None Clear

MW4 12.76 11.2 6.8 4.39mg/L

41.7% 449.3 None Suspended

Solids

MW5 12.78 11.1 7.0 4.21mg/L


MW6 12.80 10.4 7.3 4.60mg/L


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Page 2 of 3

Monitoring Point

Depth Below TOC (m)

Temp.

(oC)

pH DO

(mg/L &

%)

Conductivity

(µS)


MW14 12.87 11.4 8.0 3.86mg/L


MW-16 12.38 11.8 7.2 3.77mg/L

35.7% 200.3 Eggy Clear

MW-17 12.37 11.9 6.8 6.52mg/L

60.8% 541.0 None Cloudy with

sheen

MW-18 14.46 10.4 8.0 9.52mg/L


MW-19 14.53 10.3 7.4 4.71mg/L


MW-20 12.23 11.6 6.7 6.84mg/L

63.4% 578 None Brown

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Page 3 of 3

Monitoring Point

Depth Below TOC (m)

Temp.

(oC)

pH DO

(mg/L &

%)

Conductivity

(µS)


MW-21 14.85 11.2 7.0 7.35mg/L


MW-22 15.78 11.7 7.1 5.23mg/L


MW-24 13.28 11.4 7.2 7.61mg/L


MW-25 13.17 11.2 7.1 4.23mg/L


TW-2 15.00 11.6 8.2 4.90mg/L


PW-3 - 15.6 6.9 8.12mg/L


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Appendix

1

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Appendix

2

Appendix 2: Chain of Custody Documentation

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Appendix

2

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Appendix

3

Appendix 3: Laboratory Results

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EPA Export 25-03-2020:04:17:05

Element Materials Technology P: +44 (0) 1244 833780

Unit 3 Deeside Point F: +44 (0) 1244 833781

Zone 3

Deeside Industrial Park W: www.element.com

Deeside

CH5 2UA

Patel Tonra Ltd

Attention :

Date :

Your reference :

Our reference :

Location :

Date samples received :

Status :

Issue :

Please include all sections of this report if it is reproduced

3F Fingal Bay Business Park

Balbriggan

Co Dublin

Ireland

Kerstie Flanagan

12th December, 2019

MU0122

Test Report 19/19717 Batch 1

Gormanston

2nd December, 2019

Final report

Senior Project Manager

1

Eighteen samples were received for analysis on 2nd December, 2019 of which eighteen 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.

Authorised By:

Phil Sommerton BSc

Element Materials Technology Environmental UK Limited

Registered in England and Wales

Registered Office: 10 Lower Grosvenor Place, London, SW1W 0EN

Company Registration No: 11371415 1 of 7

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EPA Export 25-03-2020:04:17:05

Client Name: Report : Liquid

Reference:

Location:

Contact: Liquids/products: V=40ml vial, G=glass bottle, P=plastic bottle

EMT Job No: 19/19717 H=H2SO4, Z=ZnAc, N=NaOH, HN=HN03

EMT Sample No. 1-3 4-6 7-9 10-12 13-15 16-18 19-21 22-24 25-27 28-30

Sample ID MW - 1 MW - 2 MW - 3 MW - 4 MW - 5 MW - 6 MW - 14 MW - 16 MW - 17 MW - 18

Depth 4.31 2.64 4.36 4.42 2.58 2.58 10.34 5.47 5.40 1.46

COC No / misc

Containers H P G H P G H P G H P G H P G H P G H P G H P G H P G H P G

Sample Date 28/11/2019 28/11/2019 28/11/2019 28/11/2019 28/11/2019 28/11/2019 28/11/2019 28/11/2019 28/11/2019 28/11/2019

Sample Type Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water

Batch Number 1 1 1 1 1 1 1 1 1 1

Date of Receipt 02/12/2019 02/12/2019 02/12/2019 02/12/2019 02/12/2019 02/12/2019 02/12/2019 02/12/2019 02/12/2019 02/12/2019

Total Phenols HPLC <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 mg/l TM26/PM0

Sulphate as SO4 # 68.6 13.9 3.2 65.0 101.7 20.7 2.6 4.5 83.2 18.8 <0.5 mg/l TM38/PM0

Chloride # 46.9 31.0 12.8 27.9 46.6 12.2 189.6 46.4 32.4 44.3 <0.3 mg/l TM38/PM0

Ammoniacal Nitrogen as N # 6.31 0.08 2.32 0.54 <0.03 <0.03 <0.03 0.04 <0.03 0.07 <0.03 mg/l TM38/PM0

Dissolved Oxygen 6 5 5 5 6 7 3 6 7 8 <1 mg/l TM58/PM0

Electrical Conductivity @25C # 989 200 312 872 910 361 635 280 897 239 <2 uS/cm TM76/PM0

Total Organic Carbon # 7 <2 6 6 2 6 2 <2 4 <2 <2 mg/l TM60/PM0

Gormanston

Kerstie Flanagan

Please see attached notes for all

abbreviations and acronyms

LOD/LOR UnitsMethod

No.

Element Materials Technology

Patel Tonra Ltd

MU0122

QF-PM 3.1.2 v11Please 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 7

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EPA Export 25-03-2020:04:17:05

Client Name: Report : Liquid

Reference:

Location:

Contact: Liquids/products: V=40ml vial, G=glass bottle, P=plastic bottle

EMT Job No: 19/19717 H=H2SO4, Z=ZnAc, N=NaOH, HN=HN03

EMT Sample No. 31-33 34-36 37-39 40-42 43-45 46-48 49-51 52-54

Sample ID MW - 19 MW - 20 MW - 21 MW - 22 MW - 24 MW - 25 TW - 2 PW - 3

Depth 0.93 5.54 8.88 5.34 2.42 2.89 8.34

COC No / misc

Containers H P G H P G H P G H P G H P G H P G H P G H P G

Sample Date 28/11/2019 28/11/2019 28/11/2019 28/11/2019 28/11/2019 28/11/2019 28/11/2019 28/11/2019

Sample Type Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water

Batch Number 1 1 1 1 1 1 1 1

Date of Receipt 02/12/2019 02/12/2019 02/12/2019 02/12/2019 02/12/2019 02/12/2019 02/12/2019 02/12/2019

Total Phenols HPLC <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 mg/l TM26/PM0

Sulphate as SO4 # 151.3 92.1 86.0 22.9 28.0 28.4 <0.5 67.5 <0.5 mg/l TM38/PM0

Chloride # 25.3 36.5 57.2 30.1 44.9 37.3 26.1 28.3 <0.3 mg/l TM38/PM0

Ammoniacal Nitrogen as N # <0.03 0.03 <0.03 0.05 <0.03 0.03 13.25 <0.03 <0.03 mg/l TM38/PM0

Dissolved Oxygen 6 7 9 6 8 6 5 10 <1 mg/l TM58/PM0

Electrical Conductivity @25C # 989 1041 1062 476 756 711 365 704 <2 uS/cm TM76/PM0

Total Organic Carbon # 4 4 2 4 3 9 2 2 <2 mg/l TM60/PM0

LOD/LOR UnitsMethod

No.


Patel Tonra Ltd

MU0122

Gormanston

Kerstie Flanagan

Please see attached notes for all

abbreviations and acronyms



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EPA Export 25-03-2020:04:17:05

Notification of Deviating Samples

EMT

Job

No.

Batch Depth

EMT

Sample

No.

Analysis Reason

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.

Contact:

Sample ID

Client Name: Patel Tonra Ltd

Reference:

Location:

No deviating sample report results for job 19/19717


MU0122

Gormanston

Kerstie Flanagan

QF-PM 3.1.11 v3 Please include all sections of this report if it is reproduced 4 of 7

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EMT Job No.:

SOILS

DEVIATING SAMPLES

SURROGATES

DILUTIONS

BLANKS

NOTE

Data is only reported if the laboratory is confident that the data is a true reflection of the samples analysed. Data is only reported as accredited when

all the requirements of our Quality System have been met. In certain circumstances where all the requirements of the Quality System have not been

met, for instance if the associated AQC has failed, the reason is fully investigated and documented. The sample data is then evaluated alongside

the other quality control checks performed during analysis to determine its suitability. Following this evaluation, provided the sample results have not

been effected, the data is reported but accreditation is removed. It is a UKAS requirement for data not reported as accredited to be considered

indicative only, but this does not mean the data is not valid.

Where possible, and if requested, samples will be re-extracted and a revised report issued with accredited results. Please do not hesitate to contact

the laboratory if further details are required of the circumstances which have led to the removal of accreditation.

As surface waters require different sample preparation to groundwaters the laboratory must be informed of the water type when submitting samples.

Where Mineral Oil or Fats, Oils and Grease is quoted, this refers to Total Aliphatics C10-C40.

All samples should be submitted to the laboratory in suitable containers with sufficient ice packs to sustain an appropriate temperature for the

requested analysis. The temperature of sample receipt is recorded on the confirmation schedules in order that the client can make an informed

decision as to whether testing should still be undertaken.

Surrogate compounds are added during the preparation process to monitor recovery of analytes. However low recovery in soils is often due to peat,

clay or other organic rich matrices. For waters this can be due to oxidants, surfactants, organic rich sediments or remediation fluids. Acceptable

limits for most organic methods are 70 - 130% and for VOCs are 50 - 150%. When surrogate recoveries are outside the performance criteria but

the associated AQC passes this is assumed to be due to matrix effect. Results are not surrogate corrected.

A dilution suffix indicates a dilution has been performed and the reported result takes this into account. No further calculation is required.

Where analytes have been found in the blank, the sample will be treated in accordance with our laboratory procedure for dealing with contaminated

blanks.

Sufficient amount of sample must be received to carry out the testing specified. Where an insufficient amount of sample has been received the

testing may not meet the requirements of our accredited methods, as such accreditation may be removed.

Negative Neutralization Potential (NP) values are obtained when the volume of NaOH (0.1N) titrated (pH 8.3) is greater than the volume of HCl (1N)

to reduce the pH of the sample to 2.0 - 2.5. Any negative NP values are corrected to 0.

The calculation of Pyrite content assumes that all oxidisable sulphides present in the sample are pyrite. This may not be the case. The calculation

may be an overesitimate when other sulphides such as Barite (Barium Sulphate) are present.

WATERS

Please note we are not a UK Drinking Water Inspectorate (DWI) Approved Laboratory .

ISO17025 accreditation applies to surface water and groundwater and usually one other matrix which is analysis specific, any other liquids are

outside our scope of accreditation.

If you have not already done so, please send us a purchase order if this is required by your company.

Where appropriate please make sure that our detection limits are suitable for your needs, if they are not, please notify us immediately.

All analysis is reported on a dry weight basis unless stated otherwise. Limits of detection for analyses carried out on as received samples are not

moisture content corrected. Results are not surrogate corrected. Samples are dried at 35°C ±5°C unless otherwise stated. Moisture content for

CEN Leachate tests are dried at 105°C ±5°C.

Where Mineral Oil or Fats, Oils and Grease is quoted, this refers to Total Aliphatics C10-C40.

Where a CEN 10:1 ZERO Headspace VOC test has been carried out, a 10:1 ratio of water to wet (as received) soil has been used.

% Asbestos in Asbestos Containing Materials (ACMs) is determined by reference to HSG 264 The Survey Guide - Appendix 2 : ACMs in buildings

listed in order of ease of fibre release.

NOTES TO ACCOMPANY ALL SCHEDULES AND REPORTS

19/19717

Please note we are only MCERTS accredited (UK soils only) for sand, loam and clay and any other matrix is outside our scope of accreditation.

Where an MCERTS report has been requested, you will be notified within 48 hours of any samples that have been identified as being outside our

MCERTS scope. As validation has been performed on clay, sand and loam, only samples that are predominantly these matrices, or combinations

of them will be within our MCERTS scope. If samples are not one of a combination of the above matrices they will not be marked as MCERTS

accredited.

It is assumed that you have taken representative samples on site and require analysis on a representative subsample. Stones will generally be

included unless we are requested to remove them.

All samples will be discarded one month after the date of reporting, unless we are instructed to the contrary.



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EPA Export 25-03-2020:04:17:05

EMT Job No.:

Measurement Uncertainty

#

SA

B

DR

M

NA

NAD

ND

NDP

SS

SV

W

+

>>

*

AD

CO

LOD/LOR

ME

NFD

BS

LB

N

TB

OC Outside Calibration Range

Matrix Effect

No Fibres Detected

AQC Sample

Blank Sample

Client Sample

Trip Blank Sample

AQC failure, accreditation has been removed from this result, if appropriate, see 'Note' on previous page.

Results above calibration range, the result should be considered the minimum value. The actual result could be significantly

higher, this result is not accredited.

Analysis subcontracted to an Element Materials Technology approved laboratory.

Samples are dried at 35°C ±5°C

Suspected carry over

Limit of Detection (Limit of Reporting) in line with ISO 17025 and MCERTS

No Asbestos Detected.

None Detected (usually refers to VOC and/SVOC TICs).

No Determination Possible

Calibrated against a single substance

Surrogate recovery outside performance criteria. This may be due to a matrix effect.

Results expressed on as received basis.

ISO17025 (UKAS Ref No. 4225) accredited - UK.

ISO17025 (SANAS Ref No.T0729) accredited - South Africa

Indicates analyte found in associated method blank.

Dilution required.

MCERTS accredited.

Not applicable

19/19717

REPORTS FROM THE SOUTH AFRICA LABORATORY

Any method number not prefixed with SA has been undertaken in our UK laboratory unless reported as subcontracted.

Measurement uncertainty defines the range of values that could reasonably be attributed to the measured quantity. This range of values has not

been included within the reported results. Uncertainty expressed as a percentage can be provided upon request.

ABBREVIATIONS and ACRONYMS USED



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EMT Job No: 19/19717

Test Method No. Description

Prep Method

No. (if

appropriate)

Description

ISO

17025

(UKAS/S

ANAS)

MCERTS

(UK soils

only)

Analysis done

on As Received

(AR) or Dried

(AD)

Reported on

dry weight

basis

TM26Determination of phenols by Reversed Phased High Performance Liquid

Chromatography and Electro-Chemical Detection.PM0 No preparation is required.

TM38

Soluble Ion analysis using Discrete Analyser. Modified US EPA methods 325.2

(Chloride), 375.4 (Sulphate), 365.2 (o-Phosphate), 353.1 (TON), 354.1 (Nitrite), 350.1

(NH4+) comparable to BS ISO 15923-1, 7196A (Hex Cr)

PM0 No preparation is required. Yes

TM58

APHA Standard Methods for the extraction of water and waste water (SMEWW) 5210B.

Comparible with ISO 5815:1989. Measurement of Biochemical Oxygen Demand. When

cBOD (Carbonaceous BOD) is requested a nitrification inhibitor is added which prevents

the oxidation of reduced forms of nitrogen, such as ammonia, nitrite and organic nitrogen

which exert a nitrogenous demand. Determination of Dissolved Oxygen using the Hach

HQ30D Oxygen Meter.

PM0 No preparation is required.

TM60

TC/TOC analysis of Waters by High Temperature Combustion followed by NDIR

detection. Based on the following modified standard methods: USEPA 9060, APHA

Standard Methods for Examination of Water and Wastewater 5310B, ASTM D 7573,

and USEPA 415.1.

PM0 No preparation is required. Yes

TM76Modified US EPA method 120.1. Determination of Specific Conductance by Metrohm

automated probe analyser.PM0 No preparation is required. Yes

Element Materials Technology Method Code Appendix

QF-PM 3.1.10 v14 Please include all sections of this report if it is reproduced 7 of 7

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Appendix

4

Appendix 4: Calibration Records for pH and Conductivity meters

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Figure

1

Figure 1: Monitoring Locations

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D3a

D4a

SWD-1

b

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louise

Rectangle

louise

Rectangle

louise

Rectangle

louise

Oval

louise

Rectangle

louise

Rectangle

louise

Oval

louise

Rectangle

louise

Oval



Figure

2

Figure 2: Groundwater Flow Map

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TEMPORARY

SETTLING

POND (TYP)

BUILDING (TYP)

SITE ENTRANCE

S

I

T

E

B

O

U

N

D

A

R

Y

ST1

ST2

DW 1

NMP5

NMP13

NMP7

NMP8

PW 3

L1

L4

L3

L2

G9

G7

G8

G6

MW-2

MW 19

MW 16

MW 17

MW 18

TW-2

MW 21

MW-5

MW-3

MW-4

MW-6

MW-1

MW 14

MW 20

G12

MW22

G13

(DAMAGED)

G14

G16

G17

G18

G19

G15

MW-24

MW-25

G11

D2

D3

D4

D1

1

1

1

2

1

2

1

3

1

3

1

2

1

2

1

2

2001000 50 300m

STREAM

EXISTING LOCATIONS

GROUNDWATER OVERBURDEN WELLS

MW-1,MW-2,MW-4,MW-6,MW-22,MW-24

GROUNDWATER BEDROCK WELLS

MW-3,MW-5, TW-2, MW-14, MW-16, MW-18,

MW-25

GAS / GROUNDWATER OVERBURDEN WELLS

MW-17,19,20,21

GAS / LEACHATE WELLS

L1,L2,L3,L4

PRIVATE WELL

PW 3, DW 1

SHALLOW GAS PROBES G6 - G19

SURFACE WATER MONITORING LOCATIONS ST1

AND ST2

NOISE LOCATIONS NMP5, NMP7, NMP8, NMP13

DUST MONITORING LOCATIONS D1-D4

SITE BOUNDARY

OUTLINE OF ZONE BOUNDARIES

Q3 2013 GROUNDWATER CONTOUR (mAOD)

Q3 2013 GROUNDWATER FLOW DIRECTION

LEGEND

EXISTING

MAINTENANCE

BUILDING

ORDNANCE SURVEY IRELAND

LICENCE NUMBER

AR0056014

P:\PROJECTS\9. WASTE\MURPHY ENVIRONMENTAL\145 071 9 0038 - Revised R And A Plan - Gormanston\11. GRAPHICS\6. FINAL DRAWINGS\GT_109revB - GW Ctrs Q3 2013.dwg

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Figure

2

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Groundwater Monitoring Report for Hollywood Landfill (WL ... · and integrate it into the surrounding landscape. 1.1.2 The facility is licensed by the Environmental Protection Agency

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