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Water analysis report, NYC DEP DWQC, Oct 2001

Machine-extracted title · confidence 100%

Laboratory results for water sample collected October 25, 2001, testing silver, aluminum, and arsenic.

NYC-WTC_000071744–000071792

Folder label: “26202

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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 HILLVIEW Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 3 Dr. Ian Hurley ID of Source: Received KM Collection 10/25/2001 AT Bottle c9412,p2007,2008,2037,q2105,2 Submitted 10/25/2001 AT Collected By: TIGLAO Sample Type: POT DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD26202 Method Test Description Results Units MDL Analyzed on Validator Hexachlorobenzene <MDL ug/L 0.10 12/18/2001 DLV Hexachlorocyclopentadiene <MDL ug/L 0.10 12/18/2001 DLV Metolachlor < MDL ug/L 0.75 12/18/2001 DLV Metribuzin <MDL ug/L 0.15 12/18/2001 DLV Molinate <MDL ug/L 0.90 12/18/2001 DLV Simazine <MDL ug/L 0.40 12/18/2001 DLV Terbacil <MDL ug/L 2.0 12/18/2001 DLV Recoveries for 3 of the 18 compounds in the MDL and LCS Standards were outside of their acceptance ranges. Recoveries for 6 of the 18 compounds in the Spiked Sample were outside of their acceptance ranges. The breakdown for Endrin in the LPC Standard was 53%. The level for bis(2-Ethylhexyl)phthalate in the Laboratory Blank was 0.74 ug/L. The recovery for 1 of the 3 Surrogate Standards in this sample was below its acceptance range. GCMS Scan For Unknowns Other unknown compounds ug/L 12/5/2001 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: 12/20/2001

Environmental Laboratories emailed Original 12/20/2001

NYS ELAP #10108 Page 7 of 7

NYC-WTC_000071750

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NYC-WTC_000071750Source: NYC Law Department, mirrored locally

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