As per LFTGN02 (issued Naphthalene 5 µg/l February 2003 ‘Guidance Nickel 10 µg/l on Monitoring of Landfill Potassium 45 mg/l Leachate, Groundwater Xylene 3 µg/l and Surface Water’. GW09_31 Arsenic 80 µg/l Spot Quarterly H1 - Technical Annex to sample (Note1) Annex (j): Hydrogeological Ammoniacal 50 mg/l Risk Assessments for Nitrogen Landfills and the Benzene 13 µg/l Derivation of Groundwater Naphthalene 5 µg/l Control Levels and Nickel 10 µg/l Compliance Limits, v2.0, Potassium 110 mg/l April 2010. Xylene 3 µg/l GW09_32 Arsenic 30 µg/l Spot Quarterly sample (Note1) Ammoniacal 50 mg/l Nitrogen Benzene 3 µg/l Naphthalene 5 µg/l Nickel 10 µg/l Potassium 180 mg/l Xylene 3 µg/l GW09_35 Arsenic 50 µg/l Spot sample (Note1) Ammoniacal 35 mg/l Nitrogen Benzene 2 µg/l
As per LFTGN02 (issued February 2003 ‘Guidance on Monitoring of Landfill Leachate, Groundwater and Surface Water’. H1 - Technical Annex to Annex (j): Hydrogeological Risk Assessments for Landfills and the Derivation of Groundwater Control Levels and Compliance Limits, v2.0, April 2010. Naphthalene 5 µg/l Nickel 10 µg/l Potassium 45 mg/l Xylene 3 µg/l GW09_31 (Note1) Arsenic 80 µg/l Spot sample Quarterly Ammoniacal Nitrogen 50 mg/l Benzene 13 µg/l Naphthalene 5 µg/l Nickel 10 µg/l Potassium 110 mg/l Xylene 3 µg/l GW09_32 (Note1) Arsenic 30 µg/l Spot sample Quarterly Ammoniacal Nitrogen 50 mg/l Benzene 3 µg/l Naphthalene 5 µg/l Nickel 10 µg/l Potassium 180 mg/l Xylene 3 µg/l GW09_35 (Note1) Arsenic 50 µg/l Spot sample Ammoniacal Nitrogen 35 mg/l Benzene 2 µg/l