Tuesday, July 21, 2026 RSS  ·  Calendar
croton.news
Croton’s #1 source for AI-generated hyperlocal news
Croton-on-Hudson, New York
Source-linkedCorrections welcomed

croton_point_sampling_2021_raw

Passage 62 of 134 800 words

as appears in Method Update Rule II, 40CFR 136, Table 1B, Federal Register Volume 77 Number 97, pursuant to Clean Water Act promulgated 06/01/2012. 40CFR136 SW846/9056A SM22-2540C SM22-4500Norg D SW846-9060A EPA 180.1 TKN Digestion/Diffusion Method Sulfate, Aqueous - ASP Total Dissolved Solids Total kjeldahl nitrogen as N - ASP Total Organic Carbon - ASP Turbidity Completed 29.2 606.7 0.917 2.54 195 05/24/2021 1.0 05/14/2021 2.0 05/05/2021 0.06 05/26/2021 0.25 05/20/2021 0.2 05/04/2021 mg/L mg/L mg/L mg/L as C NTU 2:56 pm MO MO MO MO MO MO JLM MO MO MO MO MO MO MO JLM MO MO RH MO MO MO MO MO JLM Organics VOCs by 8260C Baseline Expanded SW846 8260C 1,2-dibromo-3-chloropropane < LOQ ug/L 0.500 05/13/2021 MG SW846 8260C 1,2-dibromoethane < LOQ ug/L 0.500 05/13/2021 MG SW846 8260C 2-hexanone < LOQ ug/L 5.00 05/13/2021 MG SW846 8260C Acetone < LOQ ug/L 10.0 05/13/2021 MG SW846 8260C Acetonitrile < LOQ ug/L 50.0 05/13/2021 MG SW846 8260C Acrolein < LOQ ug/L 5.00 05/13/2021 MG SW846 8260C Acrylonitrile < LOQ ug/L 5.00 05/13/2021 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 2 of 4 AX08486 Sample No. Method Test Description Results Qualifier Units DL/LOQ Analyzed on Validator SW846 8260C Carbon Disulfide < LOQ ug/L 5.00 05/13/2021 MG SW846 8260C Methyl Iodide < LOQ ug/L 5.00 05/13/2021 MG SW846 8260C Prep. Method 5030C ug/L 05/13/2021 MG SW846 8260C trans-1,4-dichloro-2-butene < LOQ ug/L 5.00 05/13/2021 MG SW846 8260C Vinyl Acetate < LOQ ug/L 5.00 05/13/2021 MG The following tentatively identified compounds (TIC) are present; the concentrations given are estimates: Difluorochloromethane 8.75 ug/L Choroethene 10.7 ug/L Fluorodichloromethane 7.23 ug/L Ethyl ether 16.2 ug/L (E)-1,2-dichloro-Ethylene 23.4 ug/L MG 6/28/21 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 VOC's in water-EPA 8260C SW846 8260C 1,1,1- trichloroethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,1,1,2-tetrachloroethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,1,2,2-tetrachloroethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,1,2-trichloroethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,1-dichloroethane 7.28 ug/L 0.50 05/18/2021 MG SW846 8260C 1,1-Dichloroethene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,1-dichloropropene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,2,3-trichlorobenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,2,3-trichloropropane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,2,4-trichlorobenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,2,4-trimethylbenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,2-dichlorobenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,2-dichloroethane 1.05 ug/L 0.50 05/18/2021 MG SW846 8260C 1,2-dichloropropane 0.450 ug/L 0.50 05/18/2021 MG SW846 8260C 1,3,5-trimethylbenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,3-dichlorobenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,3-dichloropropane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 1,4-dichlorobenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 2,2-dichloropropane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 2-butanone (MEK) < LOQ ug/L 2.00 05/18/2021 MG SW846 8260C 2-chlorotoluene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C 4-chlorotoluene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Benzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Bromobenzene < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Bromochloromethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Bromodichloromethane < LOQ ug/L 0.50 05/18/2021 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 : 1772 07/12/2021 EMAIL 7/12/2021 These analytical results relate only to the sample identified in this report. Page 3 of 4 AX08486 Sample No. Method Test Description Results Qualifier SW846 8260C Bromoform < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Bromomethane < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Carbon tetrachloride < LOQ ug/L 0.50 05/18/2021 MG SW846 8260C Chlorobenzene < LOQ ug/L 0.50 05/18/2021

Experimental project: croton.news uses AI to generate articles from public records. Content may contain errors. Please report any inaccuracies and check our corrections log.