<LOQ <LOQ <LOQ <LOQ <LOQ 39.9 >500 >500 2" 57.75' 9.2' 48.5' 9.4'-9.2' 171 84900 738 57400 5210 56800 38 <LOQ <LOQ 339 <LOQ <LOQ <LOQ 29.9 <LOQ <LOQ 1150 197 <LOQ <LOQ <LOQ <LOQ <LOQ >500 Diameter (Inches): Well Depth, Tow (ft.): Depth to Water, Tow (ft.) Water Level Elevation (ft.): TOC - TOW (ft.): 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 BioChemical Oxygen Demand Asp Calcium by ICP-AES Chloride - ASP ASP Total Cyanide Chemical Oxygen Demand 2 1000 5 0.01 5 mg/L ug/L mg/L mg/L mg/L <LOQ 93800 81 <LOQ 98 <LOQ 67100 82 <LOQ 93 <LOQ 84900 90 <LOQ 76 1 1 40 0.2 units mg/L ug/L ug/L 25 490 <LOQ <LOQ 5 350 <LOQ <LOQ 75 450 <LOQ <LOQ Color, Apparent ASP Hardness as Calcium Carbonate Hexavalent Chromium, ASP ASP Mercury 1 Croton Point Sanitary Landfill Railroad 1 Landfill, NYSDEC Site #360001 Post Closure Monitoring and Sampling Report, Table 6 (RR2D): Groundwater Constituent: Sampling Period: Sampling Date: DL/LOQ Units RR-2D RR-2D 2018 2020 10/30/2018 3/2/2020 ASP Magnesium Ammonia as N Nitrite Nitrogen as N N-Nitrate Calculated Corrosivity/pH 1000 0.05 0.01 0.05 0.1 ug/L mg/L mg/L mg/L units Phenolics, Total Recoverable ASP Metal Digestion - Aqueous NH4 Preparation 0.025 mg/L 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 7.17 766 0.449 35 7.98 8.22 738 0.431 29.5 4.1 13.3 720 0.443 28.6 198 1,2-dibromo-3-chloropropane 1,2-dibromoethane 2-hexanone Acetone Acetonitrile Acrolein Acrylonitrile Carbon Disulfide Methyl lodide Prep. Method Trans-1,4-dichloro-2-butene Vinyl Acetate 0.5 0.5 5 10 50 5 5 5 5 5 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 <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 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 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 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 4.86 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 6.69 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 6 62300 <LOQ <LOQ <LOQ 7.39 45100 <LOQ <LOQ <LOQ 7.22 RR-2D 2021 5/4/2021 57400 <LOQ <LOQ <LOQ 7.22 <LOQ 0.008 Not Detected Complete Complete Complete Complete Complete Complete 2 Croton Point Sanitary Landfill Railroad 1 Landfill, NYSDEC Site #360001 Post Closure Monitoring and Sampling Report, Table 6 (RR2D): Groundwater Constituent: Sampling Period: Sampling Date: 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 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 P-isopropyltoluene SEC-butylbenzene Styrene DL/LOQ Units 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 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 0.5 0.5 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 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 RR-2D RR-2D 2018 2020 10/30/2018 3/2/2020 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 2.2 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 7.05 <LOQ <LOQ <LOQ 1.18 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 0.572 <LOQ 1.14 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 1.14 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 2.66 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 9.71 <LOQ <LOQ <LOQ 1.63 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 0.769 <LOQ 3.09 <LOQ 0.578 <LOQ <LOQ <LOQ <LOQ <LOQ 1.74 <LOQ RR-2D 2021 5/4/2021 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 2.22 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 8.45 <LOQ <LOQ <LOQ 1.24 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 0.511 <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ <LOQ 1.22 <LOQ 3 Croton Point Sanitary Landfill Railroad 1 Landfill, NYSDEC Site #360001 Post Closure Monitoring and Sampling Report, Table 6 (RR2D): Groundwater Constituent: Sampling Period: Sampling Date: Tert-butylbenzene Tetrachloroethene Toluene trans-1,2-dichloroethene trans-1,3-dichloropropene Trichloroethene