< 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 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.AX08588 REPORT OF ANALYSIS Westchester County Department of Labs and Research Sample Location : 10 Dana Road Received By : SM JLM Bottle No : S0360 D1426 C0153 F55 B728 B1085 E3428 G4639 K8665 K8898 K1216 K3197 K8935 K8489 CROTON POINT PARK CROTON, NY 10520 Collection Point : Valhalla, New York 10595 RINSE BLK Collected By : DUVAL & STEY Collection Date : 05/05/2021 AT 9:45:00AM 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 : DI 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 < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ 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 < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ < 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 10.0 05/20/2021 2.0 05/19/2021 2.0 05/19/2021 2.0 05/19/2021 2.0 05/19/2021 2.0 05/19/2021 4.0 05/19/2021 2.0 05/19/2021 10.0 05/19/2021 2.0 05/19/2021 2.0 05/19/2021 2.0 05/19/2021 4.0 05/19/2021 4.0 05/19/2021 2.0 05/19/2021 4.0 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 AX08588 Sample No. Method Test Description EPA 6020A Results Zinc Alkalinity as Calcium Carbonate - ASP Biochemical Oxygen Demand SM22 2320B SM22-5210B Qualifier Units DL/LOQ Analyzed on Validator < LOQ <5 < LOQ ug/L mg/L mg/L 16.0 05/19/2021 5.0 05/07/2021 2 05/12/2021 9:30 am MO MO MO Completed < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ < LOQ 5.99 ug/L mg/L mg/L mg/L units mg/L ug/L ug/L ug/L mg/L mg/L mg/L Units 05/07/2021 12:16 pm 1000 05/20/2021 5.0 05/25/2021 0.005 05/12/2021 5.0 05/10/2021 1 05/05/2021 3:14 pm 1 05/20/2021 40 05/05/2021 2:03 pm 0.20 05/14/2021 1000 05/20/2021 0.05 05/21/2021 0.01 05/06/2021 11:55 am 0.05 05/21/2021 0.1 05/05/2021 2:36 pm MO MO MO MO MO JLM MO MO MO MO MO MO MO JLM Dilution water blank exceeds 0.2 mg/L. KA 5/17/2021 SM21-5210B ASP BOD Set Date and Time ASP Calcium by ICP-AES SW846/9253 Chloride - ASP SW846-9012A ASP Total Cyanide HACH 8000 Chemical Oxygen Demand - ASP SM20-2120B Color, Apparent - ASP EPA 6010C ASP Hardness as Calcium Carbonate SW846-7196A