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.AX09990 REPORT OF ANALYSIS Westchester County Department of Labs and Research Sample Location : 10 Dana Road Valhalla, New York 10595 Received By : KB JLM Bottle No : JAR A CROTON POINT PARK CROTON, NY 10520 Collection Point : SOIL A Collected By : DUVAL & STEY Collection Date : 05/25/2021 AT 8:20:00AM Submitted On : 05/25/2021 AT 10:43:00AM 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 : S_SOIL addt'l Report To : Comment : Method Test Description Results Qualifier Units DL/LOQ Analyzed on Validator Inorganics SW846/6020A 4.4 06/04/2021 2.2 06/04/2021 2.2 06/04/2021 2.2 06/04/2021 2.18 06/07/2021 MO MO MO MO MO Matrix spike recovery for Iron exceeded the acceptable QC limits due to matrix enhancement (high analyte value enhanced spike recovery). E.M. 6/8/2021 EPA 6020A Lead SW by ICP-MS 23.5 mg/Kg dry wt 2.2 06/04/2021 SW846-3050B Metals Digestion for Soil/Solids/Sludges Completed 05/26/2021 MO MO SW846/6020A EPA 6020A SW846/6020A EPA 6010C Silver SW by MS Arsenic SW by MS Cadmium SW by ICP-MS Copper SW by MS Iron by ICP-AES < LOQ 3.5 < LOQ 30.7 18100 mg/Kg dry wt mg/Kg dry wt mg/Kg dry wt mg/Kg dry wt mg/Kg dry wt Soil Narrative for EPA 6020A Analytes (Silver, Arsenic, Cadmium, Copper, Lead): Analytical result based on a representative 2.1273g sub-sample of soil. RWHJr Soil Narrative for EPA 6010C (Iron): Analytical result based on a representative 2.1935g sub-sample of soil. RWHJr ASP Percent solids 54.0 % 0.1 05/28/2021 EPA - 1684 MO 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 : 1714 06/16/2021 EMAIL 6/16/2021 These analytical results relate only to the sample identified in this report. Page 1 of 1 Sample No.AX09991 REPORT OF ANALYSIS Westchester County Department of Labs and Research Sample Location : 10 Dana Road Valhalla, New York 10595 Received By : KB JLM Bottle No : JAR B CROTON POINT PARK CROTON, NY 10520 Collection Point : SOIL B Collected By : DUVAL & STEY Collection Date : 05/25/2021 AT 8:30:00AM Submitted On : 05/25/2021 AT 10:43:00AM 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 : S_SOIL addt'l Report To : Comment : Method Test Description Results Qualifier Units DL/LOQ Analyzed on Validator Inorganics SW846/6020A SW846/6020A EPA 6020A SW846/6020A EPA 6010C EPA 6020A SW846-3050B Silver SW by MS Arsenic SW by MS Cadmium SW by ICP-MS Copper SW by MS Iron by ICP-AES Lead SW by ICP-MS Metals Digestion for Soil/Solids/Sludges < LOQ 3.0 < LOQ 15.2 9780 13.6 Completed mg/Kg dry wt mg/Kg dry wt mg/Kg dry wt mg/Kg dry wt mg/Kg dry wt mg/Kg dry wt 3.2 06/04/2021 1.6 06/04/2021 1.6 06/04/2021 1.6 06/04/2021 1.02 06/07/2021 1.6 06/04/2021 05/26/2021 MO MO MO MO MO MO MO Soil Narrative for EPA 6020A Analytes (Silver, Arsenic, Cadmium, Copper, Lead): Analytical result based on a representative 2.2900g sub-sample of soil. RWHJr Soil Narrative for EPA 6010C (Iron): Analytical result based on a representative 3.5428g sub-sample of soil. RWHJr ASP Percent solids 68.9 % 0.1 05/28/2021 EPA - 1684 MO 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