05/18/2021 MG SW846 8260C cis-1,3-dichloropropene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Dibromochloromethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Dibromomethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Dichlorodifluoromethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Ethylbenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Hexachlobutadiene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Isopropylbenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Methyl iso-butyl ketone < LOQ ug/L 2.00 05/18/2021 MG SW846 8260C Methylene Chloride < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Naphthalene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C N-butylbenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C N-propylbenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C O-xylene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C P & M-xylene < LOQ ug/L 1.00 05/18/2021 MG SW846 8260C P-isopropyltoluene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C SEC-butylbenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Styrene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C TERT-butylbenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Tetrachloroethene 0.741 ug/L 0.50 05/18/2021 MG SW846 8260C Toluene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C trans-1,2-dichloroethene 0.889 ug/L 0.50 05/18/2021 MG SW846 8260C trans-1,3-dichloropropene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Trichloroethene 1.24 ug/L 0.50 05/18/2021 MG SW846 8260C Trichlorofluoromethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Vinyl chloride 11.4 ug/L 0.50 05/18/2021 MG "J" Flag - Estimated value on an analyte found below the calibration range and at or above the detection limit. RWHJr NYSDOH ELAP and NELAC do not offer accreditation for Alkalinity, Ammonia, Biochemical Oxygen Demand, Total Kjeldahl Nitrogen and Total Phosphorus in the S&HW Matrix. Unless the sample is otherwise qualified, all Quality Control acceptance criteria have satisfied method and NELAC requirements. DL = Detection Limit Approved By LOQ = Limit of Quantitation Robert Hilbrandt Environmental Laboratories NYS ELAP # 10108 (914) 231-1620 J=value is an estimate QA Officer Report Number: H = exceeds holding time Date Approved : 1772 07/12/2021 EMAIL 7/12/2021 These analytical results relate only to the sample identified in this report. Page 4 of 4 Sample No.AX08590 REPORT OF ANALYSIS Westchester County Department of Labs and Research Sample Location : 10 Dana Road Received By : SM JLM Bottle No : S0714 C0109 F8 D1727 G4755 B775 372 E3462 K0232 K3184 K0888 K0058 K0390 K0823 CROTON POINT PARK CROTON, NY 10520 Collection Point : Valhalla, New York 10595 RR 3 Collected By : DUVAL & STEY Collection Date : 05/05/2021 AT 7:30:00AM Submitted On : 05/05/2021 AT 10:28:00AM PWS No. : Type Descriptor : Source ID : 000 ID of Source : Agency : Croton Landfill Westchester County DEF 270 North Avenue New Rochelle, New York 10801 Attn: Peter Costa pH : Free Cl2 : Residual Cl2 : Sample chilled on arrival ? : YES Sample Type : NP_STRM addt'l Report To : Comment : Method Test Description Results Qualifier Units DL/LOQ Analyzed on Validator Inorganics ASP Metals by EPA 6010C EPA 6010C EPA 6010C EPA 6010C EPA 6010C EPA 6010C EPA 6010C Boron Calcium Iron Magnesium Potassium Sodium < LOQ 85300 6150 24400 4310 133000 ug/L ug/L ug/L ug/L ug/L ug/L 50 05/20/2021 1000 05/20/2021 50 05/20/2021 1000 05/20/2021 100 05/20/2021 100 05/20/2021 MO MO MO MO MO MO 584 < LOQ 14.1 345 < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ 1330 < LOQ < LOQ < LOQ < LOQ < LOQ 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 50.0 05/20/2021 10.0 05/19/2021 10.0 05/19/2021 10.0 05/19/2021 10.0 05/19/2021 10.0 05/19/2021 10.0 05/19/2021 10.0 05/19/2021 50.0 05/19/2021 10.0 05/19/2021 10.0 05/19/2021 10.0 05/19/2021 20.0 05/19/2021 20.0 05/19/2021 10.0 05/19/2021 20.0 05/20/2021 MO MO MO MO MO MO MO MO MO MO MO MO MO MO MO MO ASP Metals by EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A EPA 6020A Aluminum Antimony Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper Lead Manganese Nickel Selenium Silver Thallium Vanadium NYSDOH ELAP and NELAC do not offer accreditation for Alkalinity, Ammonia, Biochemical Oxygen Demand, Total Kjeldahl Nitrogen and Total Phosphorus in the S&HW Matrix. Unless the sample is otherwise qualified, all Quality Control acceptance criteria have satisfied method and NELAC requirements. DL = Detection Limit Approved By LOQ = Limit of Quantitation Robert Hilbrandt Environmental Laboratories NYS ELAP # 10108 (914) 231-1620 J=value is an estimate QA Officer Report Number: H = exceeds holding time Date Approved : 1772 07/12/2021 EMAIL 7/12/2021 These analytical results relate only to the sample identified in this report. Page 1 of 4 AX08590 Sample No. Method Test Description EPA 6020A Results Zinc Alkalinity as Calcium Carbonate