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 : 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.AX09098 REPORT OF ANALYSIS Westchester County Department of Labs and Research Sample Location : 10 Dana Road Received By : SM JLM Bottle No : S0755 C0119 F621 D1715 G4808 B455 B682 E3322 K6265 6426 8947 9143 8548 8789 CROTON POINT PARK CROTON, NY 10520 Collection Point : Valhalla, New York 10595 RFW-7D Collected By : STEY & DUVAL Collection Date : 05/12/2021 AT 8:55:00AM 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 36400 < LOQ 13100 2560 8450 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 < LOQ < LOQ < LOQ 51.4 < 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 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 AX09098 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, Apparent - ASP EPA 6010C ASP Hardness as Calcium Carbonate SW846-7196A Hexavalent Chromium, ASP SW846-7470A ASP Mercury SW846-6010C ASP Magnesium SM22-4500NH3-G Ammonia as N SM22-4500NO2B Nitrite Nitrogen as N EPA 353.2, Rev 2.0 N-Nitrate Calculated EPA 9040C Corrosivity/pH SM22 2320B Qualifier Units < LOQ 172 < LOQ Completed 36400 < LOQ < LOQ < LOQ < LOQ 140 < LOQ < LOQ 13100 0.0598 < LOQ < LOQ 8.11 ug/L mg/L mg/L ug/L mg/L mg/L mg/L units mg/L ug/L ug/L ug/L mg/L mg/L mg/L Units DL/LOQ Analyzed on Validator 80.0 05/19/2021 5.0 05/17/2021 2 05/17/2021 8:55 am 05/12/2021 11:59 am 1000 06/02/2021 5.0 06/02/2021 0.005 05/14/2021 5.0 05/20/2021 1 05/12/2021 3:22 pm 1 06/03/2021 40 05/12/2021 3:34 pm 0.20 05/24/2021 1000 06/02/2021 0.05 06/02/2021 0.01 05/13/2021 11:18 am 0.05 06/07/2021 0.1 05/12/2021 3:23 pm Note: The Corrosivity/pH test is an Analyze Immediately On-Site (AIOS) parameter. AIOS parameters have a 15 minute hold time. The Laboratory provides this test result only as a guide. RWHJr EPA 9065 Phenolics, Total Recoverable 0.006J mg/L 0.004 06/07/2021 MO MO MO MO MO MO MO MO JLM MO MO MO MO MO MO MO JLM MO "J" Flag - Estimated value on an analyte found below the calibration range and at