< LOQ ug/L 0.50 05/18/2021 MG 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 < LOQ 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 < LOQ ug/L 0.50 05/18/2021 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 : 1772 07/12/2021 EMAIL 7/12/2021 These analytical results relate only to the sample identified in this report. Page 3 of 4 AX08665 Sample No. Method Test Description Results Qualifier Units DL/LOQ Analyzed on Validator 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 < LOQ ug/L 0.50 05/18/2021 MG The following tentatively identified compound (TIC) is present; the concentration given is an estimate: Acetone 137 ug/L MG 7/9/21 Tentative identification of non-target sample components has to have an area height >10% nearest internal standard and a mass spectral library search result (Q-value) of 85% or greater for reporting. The laboratory provides these TIC results to facilitate remediation. NYSDOH ELAP and NELAC do not offer accreditation for these TIC list chemicals in the S&HW matrix. 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.AX08666 REPORT OF ANALYSIS Westchester County Department of Labs and Research Sample Location : 10 Dana Road Received By : VA Bottle No : S0619 C0125 F280 D1709 G5151 B1007 988 E3308 Kx6 CROTON POINT PARK CROTON, NY 10520 Collection Point : Valhalla, New York 10595 RFW-1D Collected By : STEY & DUVAL Collection Date : 05/06/2021 AT 9:30:00AM Submitted On : 05/06/2021 AT 11:09:00AM 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 : SW_WATER 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 962 165000 2210 379000 141000 1910000 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 06/03/2021 MO MO MO MO MO MO < LOQ < LOQ < LOQ 98.3 < LOQ < LOQ < LOQ < LOQ 89.7 < LOQ