05/17/2021 MG SW846-8270D Naphthalene < LOQ ug/L 5.0 05/17/2021 MG SW846-8270D Nitrobenzene < LOQ ug/L 5.0 05/17/2021 MG SW846-8270D n-Nitrosodimethylamine < LOQ ug/L 5.0 05/17/2021 MG SW846-8270D n-Nitrosodi-n-propylamine < LOQ ug/L 5.0 05/17/2021 MG SW846-8270D n-Nitrosodiphenylamine < LOQ ug/L 5.0 05/17/2021 MG SW846-8270D Pentachlorophenol < LOQ ug/L 10 05/17/2021 MG SW846-8270D Phenanthrene < LOQ ug/L 5.0 05/17/2021 MG SW846-8270D Phenol 5.36 ug/L 5.0 05/17/2021 MG SW846-8270D Prep. Method 3510c ug/L 5.0 05/17/2021 MG SW846-8270D Pyrene < LOQ ug/L 5.0 05/17/2021 MG J 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 6 of 7 AX08977 Sample No. Method Test Description Results Qualifier Units DL/LOQ Analyzed on Validator "J" Flag - Estimated value on an analyte found below the calibration range and at or above the detection limit. RWHJr 3&4-Methylphenol is present at 21.0 ug/L The following tentatively identified compounds are present; the concentrations given are estimates (ug/L): 2-(3-methylphenoxy)-ethanol - 15.4 2-(4-methylphenoxy)-ethanol - 15.5 5-methyl-1H-Benzotriazole - 21.9 Tetradecanoic acid - 18.3 n-Hexadecanoic acid - 115 (E)-9-Octadecenoic acid - 20.3 14-Pentadecenoic acid - 49.7 Octadecanoic acid - 157 (3.beta.,5.beta.)-Cholestan-3-ol - 99.1 (3.beta.)-Cholest-5-en-3-ol - 92.6 MR 6/10/21 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 EPA 1664B Oil & Grease Total Recoverable (HEM) 14.6 mg/L 5 05/20/2021 MG EPA 1664B non-Polar Extractable Material (TPH) 2.89 mg/L 2.5 05/20/2021 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 7 of 7 Sample No.AX08978 REPORT OF ANALYSIS Westchester County Department of Labs and Research Sample Location : 10 Dana Road Received By : SM JLM Bottle No : S731 H513 C0131 D1527 B813 B1016 F699 G4787 E3393 K0197 +5 I4730 +8 CROTON POINT PARK CROTON, NY 10520 Collection Point : Valhalla, New York 10595 PS #2DUP Collected By : STEY & DUVAL Collection Date : 05/11/2021 AT 9:15:00AM Submitted On : 05/11/2021 AT 11:37:00AM 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 SM21-5210B SW846-9012A SW846-7196A SW846-7470A EPA 9040C Aluminum Antimony Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper Lead Manganese Nickel Selenium Silver Thallium Vanadium Zinc Biochemical Oxygen Demand ASP BOD Set Date and Time ASP Total Cyanide Hexavalent Chromium, ASP ASP Mercury Corrosivity/pH 470 < LOQ < LOQ 265 < LOQ < LOQ < LOQ < LOQ 254 12.8 824 11.6 < LOQ < LOQ < LOQ < LOQ 350 116 Completed 0.025 < LOQ < LOQ 7.76 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 ug/L mg/L mg/L ug/L ug/L Units 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 80.0 05/19/2021 2 05/17/2021 8:55 am 05/12/2021 11:59 am 0.005 05/14/2021 40 05/11/2021 2:53 pm 0.20 05/24/2021 0.1 05/11/2021 3:29 pm MO MO MO MO MO MO MO MO MO MO MO MO MO MO MO MO MO MO MO MO