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 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.AX09100 REPORT OF ANALYSIS Westchester County Department of Labs and Research Sample Location : 10 Dana Road Received By : SM JLM Bottle No : S0293 C0134 F687 D1369 G4772 B1286 B710 E3355 K7139 0142 8202 7519 0003 7729 CROTON POINT PARK CROTON, NY 10520 Collection Point : Valhalla, New York 10595 RFW-7S Collected By : STEY & DUVAL Collection Date : 05/12/2021 AT 8:30:00AM Submitted On : 05/12/2021 AT 11:16:00AM 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 72800 4820 32000 1980 24400 ug/L ug/L ug/L ug/L ug/L ug/L 50 06/02/2021 1000 06/02/2021 50 06/02/2021 1000 06/02/2021 100 06/02/2021 100 06/02/2021 MO MO MO MO MO MO 884 < LOQ < LOQ 102 < LOQ < LOQ 464 < LOQ < LOQ < LOQ 2340 230 < 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 : 1813 07/14/2021 EMAIL 7/14/2021 These analytical results relate only to the sample identified in this report. Page 1 of 4 AX09100 Sample No. Method Test Description Results EPA 6020A Zinc Alkalinity as Calcium Carbonate - ASP SM22-5210B Biochemical Oxygen Demand SM21-5210B ASP BOD Set Date and Time EPA 6010C ASP Calcium by ICP-AES SW846/9253 Chloride - ASP SW846-9012A ASP Total Cyanide HACH 8000 Chemical Oxygen Demand - ASP SM20-2120B Color,