= 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 3 of 4 AX08486 Sample No. Method Test Description Results Qualifier SW846 8260C Bromoform < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Bromomethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Carbon tetrachloride < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Chlorobenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Chloroethane 0.350 ug/L 0.50 05/18/2021 MG SW846 8260C Chloroform < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Chloromethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C cis-1,2-dichloroethene 11.3 ug/L 0.50 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 < LOQ 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 < LOQ 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 < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Trichlorofluoromethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Vinyl chloride 10.7 ug/L 0.50 05/18/2021 MG J Units DL/LOQ Analyzed on Validator "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.AX08487 REPORT OF ANALYSIS Westchester County Department of Labs and Research Sample Location : 10 Dana Road Received By : JLM Bottle No : S0937 E3439 B1061 B665 G5003 D1730 F170 C0110 K0277 K8529 K6897 K8896 K8836 K858 CROTON POINT PARK CROTON, NY 10520 Collection Point : Valhalla, New York 10595 RR4 Collected By : DUVAL & STEY Collection Date : 05/04/2021 AT 10:00:00AM Submitted On : 05/04/2021 AT 11:42:00AM 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 53700 7770 19400 4990 15900 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 2020 < LOQ < LOQ 172 < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ 3890 10.4 < 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