<LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 5 Croton Point Sanitary Landfill Railroad 1 Landfill, NYSDEC Site #360001 Post Closure Monitoring and Sampling Report, Table 7 (RR-R): Surface Water Constituent: Sampling Period: Sampling Date: DL/LOQ Units RR Surface Right 2018 11/15/2018 RR Surface Right RR Surface Right 2020 2021 3/12/2020 5/6/2021 Boron Calcium Iron Magnesium Potassium Sodium Aluminum Antimony Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper Lead Manganese Nickel Selenium Silver Thallium Vanadium Zinc Alkalinity as Calcium Carbonate 100 1000 50 1000 100 1000 50 20 10 10 10 10 10 10 50 10 10 10 20 20 10 20 80 5 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L mg/L <LOQ 23900 1080 5330 1790 17200 686 <LOQ <LOQ 18.3 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 64.1 28.7 <LOQ <LOQ <LOQ <LOQ <LOQ 72.9 406 50700 839 91200 37200 691000 475 <LOQ <LOQ 24.3 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 42.3 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 69.8 166 27600 657 30800 10800 229000 335 <LOQ <LOQ 32.9 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 49.3 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 57 BioChemical Oxygen Demand Asp Calcium by ICP-AES Chloride - ASP 2 1000 5 mg/L ug/L mg/L <LOQ 23900 33 3 50700 1525 <LOQ 27600 540 1 Croton Point Sanitary Landfill Railroad 1 Landfill, NYSDEC Site #360001 Post Closure Monitoring and Sampling Report, Table 7 (RR-R): Surface Water Constituent: Sampling Period: Sampling Date: DL/LOQ Units RR Surface Right 2018 11/15/2018 ASP Total Cyanide Chemical Oxygen Demand 0.01 5 mg/L mg/L 0.01 13 <LOQ 16 0.006 13 Color, Apparent ASP Hardness as Calcium Carbonate Hexavalent Chromium, ASP ASP Mercury ASP Magnesium Ammonia as N Nitrite Nitrogen as N N-Nitrate Calculated Corrosivity/pH 1 1 40 0.2 1000 0.05 0.01 0.05 0.1 units mg/L ug/L ug/L ug/L mg/L mg/L mg/L units 25 82 <LOQ <LOQ 5330 0.0608 <LOQ 0.515 7.87 20 500 <LOQ <LOQ 91200 0.156 0.0145 0.548 7.66 5 200 <LOQ <LOQ 30800 0.0888 <LOQ 0.436 7.88 Phenolics, Total Recoverable ASP Metal Digestion - Aqueous NH4 Preparation 0.025 mg/L <LOQ Complete Complete Sulfate, Aqueous Total Dissolved Solids Total Kjeldahl nitrogen as N-ASP Total Organic Carbon Turbidity 1 mg/L 2 mg/L 0.5 mg/L 0.1 mg/L as C 0.02 NTU 12.6 126.7 0.395 5.24 24.5 215 2687 0.675 0.578 17.2 75.2 840 0.572 1.12 14.4 1,2-dibromo-3-chloropropane 1,2-dibromoethane 2-hexanone Acetone Acetonitrile 0.5 0.5 5 10 50 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ ug/L ug/L ug/L ug/L ug/L RR Surface Right RR Surface Right 2020 2021 3/12/2020 5/6/2021 0.008 Not Detected Complete Complete Complete Complete 2 Croton Point Sanitary Landfill Railroad 1 Landfill, NYSDEC Site #360001 Post Closure Monitoring and Sampling Report, Table 7 (RR-R): Surface Water Constituent: Sampling Period: Sampling Date: DL/LOQ Units RR Surface Right 2018 11/15/2018 RR Surface Right RR Surface Right 2020 2021 3/12/2020 5/6/2021 Acrolein Acrylonitrile Carbon Disulfide Methyl lodide Prep. Method Trans-1,4-dichloro-2-butene Vinyl Acetate 5 5 5 5 5 5 ug/L ug/L ug/L ug/L ug/L ug/L ug/L <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 1,1,1-trichloroethane 1,1,1,2-tetrachloroethane 1,1,2,2-tetrachloroethane 1,1,2-trichloroethane 1,1-dichloroethane 1,1-dirchloropropane 1,2,3-trichlorobenzene 1,2,3-trichloropropane 1,2,4-trichlorobenzene 1,2,4-trimethylbenzene 1,2-dichlorobenzene 1,2-dichloroethane 1,2-dichloropropane 1,3,5-trimethylbenzene 1,3-dichlorobenzene 1,3-dichloropropane 1,4-dichlorobenzene 2,2-dichloropropane 2-butanone 2-chlorotoluene 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 2 0.5 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 3 Croton Point Sanitary Landfill Railroad 1 Landfill, NYSDEC Site #360001 Post Closure Monitoring and Sampling Report, Table 7 (RR-R): Surface Water Constituent: Sampling Period: Sampling Date: 4-chlorotoluene Benzene Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Bromomethane Carbon tetrachloride Chlorobenzene Chloroethane Chloroform Chloromethane cis-1,2-dichloroethane cis-1,3-dichloropropene Dibromochloromethane Dibromomethane Dichlorodifluoromethane Ethylbenzene Hexachlobutadiene Isopropylbenzene Methyl iso-butyl ketone Methyl tert butyl ether Methlene Chloride Naphthalene N-Butylbenzene N-propybenzene O-xylene P & M-xylene DL/LOQ Units RR Surface Right 2018 11/15/2018 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 2 0.5 0.5 0.5 0.5 0.5 0.5 1 ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ