05/19/2021 MG SW846 8260C 1,1,1,2-tetrachloroethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,1,2,2-tetrachloroethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,1,2-trichloroethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,1-dichloroethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,1-Dichloroethene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,1-dichloropropene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,2,3-trichlorobenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,2,3-trichloropropane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,2,4-trichlorobenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,2,4-trimethylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,2-dichlorobenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,2-dichloroethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,2-dichloropropane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,3,5-trimethylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,3-dichlorobenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,3-dichloropropane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 1,4-dichlorobenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 2,2-dichloropropane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 2-butanone (MEK) < LOQ ug/L 2.00 05/19/2021 MG SW846 8260C 2-chlorotoluene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C 4-chlorotoluene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Benzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Bromobenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Bromochloromethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Bromodichloromethane 0.290 ug/L 0.50 05/19/2021 MG SW846 8260C Bromoform < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Bromomethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Carbon tetrachloride < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Chlorobenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Chloroethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Chloroform 0.625 ug/L 0.50 05/19/2021 MG SW846 8260C Chloromethane < LOQ ug/L 0.50 05/19/2021 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 3 of 4 AX09100 Sample No. Method Test Description Results Qualifier Units DL/LOQ Analyzed on Validator SW846 8260C cis-1,2-dichloroethene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C cis-1,3-dichloropropene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Dibromochloromethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Dibromomethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Dichlorodifluoromethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Ethylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Hexachlobutadiene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Isopropylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Methyl iso-butyl ketone < LOQ ug/L 2.00 05/19/2021 MG SW846 8260C Methylene Chloride < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Naphthalene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C N-butylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C N-propylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C O-xylene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C P & M-xylene < LOQ ug/L 1.00 05/19/2021 MG SW846 8260C P-isopropyltoluene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C SEC-butylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Styrene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C TERT-butylbenzene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Tetrachloroethene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Toluene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C trans-1,2-dichloroethene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C trans-1,3-dichloropropene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Trichloroethene < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Trichlorofluoromethane < LOQ ug/L 0.50 05/19/2021 MG SW846 8260C Vinyl chloride < LOQ ug/L 0.50 05/19/2021 MG Bromomethane and 1,2,4-trichlorobenzene LCS recoveries exceeding the acceptable QC criteria. Established high bias on <LOQ results are valid to report. JC/RWHJr 6/29/21 "J" Flag - Estimated value on an analyte found below the calibration range and at or above the detection limit. 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.AX09990 REPORT OF ANALYSIS Westchester County Department of Labs and Research Sample Location : 10 Dana