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Document / 28 pages

Water analysis report, Bronx sample, Nov 2001

Machine-extracted title · confidence 50%

Laboratory results for chemical constituents including silver and aluminum in water collected on November 6, 2001.

NYC-WTC_000071437–000071464

Folder label: “27188

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NYC 9/11 Public Portal Document

REPORT OF ANALYSIS Westchester County Department of Labs and Research 2 Dana Road Valhalla, New York

Agency: New York City DEP DWQC Sample QUEENS Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 41850 Dr. Ian Hurley ID of Source: Received EP Collection 11/5/2001 AT 9:50:00 Bottle 41850 Submitted 11/6/2001 AT 10:02:00 Collected By: BOLTON Sample Type: POT_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : yes Report

Sample No. AD27193 Method Test Description Results Units MDL Analyzed on Validator Atrazine < MDL ug/L 0.20 11/15/2001 TB Benzo(a)pyrene <MDL ug/L 0.20 11/15/2001 TB bis(2-Ethylhexyl)adipate <MDL ug/L 0.60 11/15/2001 TB bis(2-Ethylhexyl)phthalate <MDL ug/L 0.60 11/15/2001 TB Butachlor <MDL ug/L 0.40 11/15/2001 TB EPTC <MDL ug/L 1.0 11/15/2001 TB Hexachlorobenzene < MDL ug/L 0.10 11/15/2001 TB Hexachlorocyclopentadiene <MDL ug/L 0.10 11/15/2001 TB Metolachlor <MDL ug/L 0.75 11/15/2001 TB Metribuzin < MDL ug/L 0.15 11/15/2001 TB Molinate <MDL ug/L 0.90 11/15/2001 TB Simazine <MDL ug/L 0.40 11/15/2001 TB Terbacil <MDL ug/L 2.0 11/15/2001 TB The recoveries for 2 of the 18 compounds in the LCS Standard were below their acceptance ranges. The breakdown for Endrin in the Breakdown Standard was 56%. GCMS Scan For Unknowns Other unknown compounds ug/L 12/19/2001 DLV A scan of the extract prepared for the 508 analysis, from 35-550 amu using a mass spectrometer, does not reveal the presence of non-target compounds.

Approved Pam Dilsizian QA Officer Date Approved: 1/9/2002

Environmental Laboratories emailed Original 1/9/2002

NYS ELAP #10108 Page 4 of 4

NYC-WTC_000071460

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NYC-WTC_000071460Source: NYC Law Department, mirrored locally

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Document tracking the custody and handling of environmental samples submitted to Westchester County Department of Labs.

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