Schedule 3 Emissions and monitoring – Table S3.1 Leachate level limits and monitoring requirements Monitoring point ref. & location Limit Monitoring Monitoring standard or method (including frequency unit) All leachate abstraction points and all 2m above Monthly Unless otherwise agreed in writing additional replacement abstraction cell base with Natural Resources Wales, points monitoring methods used shall be in accordance with Environment Agency document on ‘Guidance monitoring of landfill leachate, groundwater and surface water’ (LFTGN02). Table S3.2 Point Source emissions to water (other than sewer) and land emission limits and – monitoring requirements Emission point Source Parameter Limit Reference Monitoring Monitoring ref. & location (incl. unit) Period frequency standard or method Cell 3A in Area 2. Surface Suspended 100 mg/l Spot Monthly As per Identified on site Water Solids Sample LFTGN02 drawing no Lagoon issued – COD 120 mg/l (prior to February Ammoniacal 5 mg/l discharge) 2003 Nitrogen ‘Guidance pH Min. 6 on pH units Monitoring of Landfill Max. 9 pH leachate, units groundwater and surface Asbestos None water Fibres Detectable Oil and None Observation Grease Visible Table S3.3 Trigger levels for emissions to groundwater and monitoring requirements Emission point Parameter Limit Reference Monitoring Monitoring standard or ref. & location (incl. Unit) period frequency method GW06_13 Arsenic 50 µg/l Spot Quarterly sample (Note1) Ammoniacal 35 mg/l Nitrogen Benzene 2 µg/l Naphthalene 5 µg/l Nickel 14 µg/l Potassium 110 µg/l Xylene 3 µg/l GW06_14A Arsenic 25 µg/l Spot sample (Note1) Ammoniacal 60 mg/l Nitrogen Benzene 2 µg/l Naphthalene 5 µg/l
Schedule 3 – Emissions and monitoring Table S3.1 Leachate level limits and monitoring requirements Monitoring point ref. & location Limit (including unit) Monitoring frequency Monitoring standard or method All leachate abstraction points and all additional replacement abstraction points 2m above cell base Monthly Unless otherwise agreed in writing with Natural Resources Wales, monitoring methods used shall be in accordance with Environment Agency document ‘Guidance on monitoring of landfill leachate, groundwater and surface water’ (LFTGN02). Table S3.2 Point Source emissions to water (other than sewer) and land – emission limits and monitoring requirements Emission point ref. & location Source Parameter Limit (incl. unit) Reference Period Monitoring frequency Monitoring standard or method Cell 3A in Area 2. Identified on site drawing no – Surface Water Lagoon (prior to discharge) Suspended Solids 100 mg/l Spot Sample Monthly As per LFTGN02 issued February 2003 ‘Guidance on Monitoring of Landfill leachate, groundwater and surface water COD 120 mg/l Ammoniacal Nitrogen 5 mg/l pH Min. 6 pH units Max. 9 pH units Asbestos Fibres None Detectable Oil and Grease None Visible Observation Table S3.3 Trigger levels for emissions to groundwater and monitoring requirements Emission point ref. & location Parameter Limit (incl. Unit) Reference period Monitoring frequency Monitoring standard or method GW06_13 (Note1) Arsenic 50 µg/l Spot sample Quarterly Ammoniacal Nitrogen 35 mg/l Benzene 2 µg/l Naphthalene 5 µg/l Nickel 14 µg/l Potassium 110 µg/l Xylene 3 µg/l GW06_14A (Note1) Arsenic 25 µg/l Spot sample Ammoniacal Nitrogen 60 mg/l Benzene 2 µg/l Naphthalene 5 µg/l
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