4-chlorotoluene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Benzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Bromobenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Bromochloromethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Bromodichloromethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Bromoform < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Bromomethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Carbon tetrachloride < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Chlorobenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Chloroethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Chloroform 4.23 ug/L 0.50 05/19/2021 MG SW846 8260C Chloromethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C cis-1,2-dichloroethene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C cis-1,3-dichloropropene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Dibromochloromethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Dibromomethane < LOQ ug/L 0.50 05/19/2021 MG 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 : 1813 07/14/2021 EMAIL 7/14/2021 These analytical results relate only to the sample identified in this report. Page 3 of 4 AX08973 Sample No. Method Test Description Results Qualifier Units DL/LOQ Analyzed on Validator SW846 8260C Dichlorodifluoromethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Ethylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Hexachlobutadiene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Isopropylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Methyl iso-butyl ketone < LOQ ug/L 2.00 05/19/2021 MG SW846 8260C Methylene Chloride < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Naphthalene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C N-butylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C N-propylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C O-xylene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C P & M-xylene < LOQ ug/L 1.00 05/19/2021 MG SW846 8260C P-isopropyltoluene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C SEC-butylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Styrene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C TERT-butylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Tetrachloroethene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Toluene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C trans-1,2-dichloroethene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C trans-1,3-dichloropropene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Trichloroethene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Trichlorofluoromethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Vinyl chloride < LOQ ug/L 0.50 05/19/2021 MG The recovery of the matrix spike of the following compounds recovered below the QC criteria, possibly due to sample matrix interfences: Ethylbenzene, p & m-Xylene, o-Xylene, Stryene, 1,1,2,2-Tetrachloroetane, n-propylbenzene, 1,2,4-Trimethylbenzene, and sec-Butylbenzene. MG 6/30/21 Bromomethane and 1,2,4-trichlorobenzene LCS recoveries exceeding the acceptable QC criteria. Established high bias on <LOQ results are valid to report. JC/RWHJr 6/29/21 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 : 1813 07/14/2021 EMAIL 7/14/2021 These analytical results relate only to the sample identified in this report. Page 4 of 4 Sample No.AX08975 REPORT OF ANALYSIS Westchester County Department of Labs and Research Sample Location : 10 Dana Road Received By : SM JLM Bottle No : S0646 D5005 C0135 B877 B785 F713 E3278 G5087 H657 K8561 + 5 I4751 + 8 CROTON POINT PARK CROTON, NY 10520 Collection Point : Valhalla, New York 10595 LEACHATE 1 RR SUMP Collected By : STEY & DUVAL Collection Date : 05/11/2021 AT 8:00:00AM Submitted On : 05/11/2021 AT 11:36:00AM 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 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 EPA 6020A SM22-5210B Aluminum Antimony Arsenic Barium Beryllium