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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 Organics Chlorine Pesticides - 508 4,4-DDE <MDL ug/L 0.080 11/14/2001 DLV Aldrin < MDL ug/L 0.010 11/14/2001 DLV Chlordane <MDL ug/L 0.40 11/14/2001 DLV Dieldrin < MDL ug/L 0.016 11/14/2001 DLV Endrin <MDL ug/L 0.020 11/14/2001 DLV Heptachlor < MDL ug/L 0.020 11/14/2001 DLV Heptachlor Epoxide <MDL ug/L 0.030 11/14/2001 DLV Lindane <MDL ug/L 0.030 11/14/2001 DLV Methoxychlor <MDL ug/L 0.039 11/14/2001 DLV PCB's <MDL ug/L 0.20 11/14/2001 DLV Propachlor <MDL ug/L 0.040 11/14/2001 DLV Toxaphene <MDL ug/L 0.40 11/14/2001 DLV The recoveries for 2 of the 11 compounds in the LCS Standard were below their acceptance ranges. The recoveries for 4 of the 11 compounds in the Spiked Sample were below their acceptance ranges. The recovery for the Surrogate Standard in this sample was below its acceptance range. Organic Chemicals - 525.2 2,4-Dinitrotoluene <MDL ug/L 2.0 11/15/2001 TB 2,6-Dinitrotoluene <MDL ug/L 2.0 11/15/2001 TB 4.4-DDE <MDL ug/L 0.80 11/15/2001 TB Acetochlor <MDL ug/L 2.0 11/15/2001 TB Alachlor <MDL ug/L 0.20 11/15/2001 TB

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

Environmental Laboratories emailed Original 1/9/2002

NYS ELAP #10108 Page 3 of 4

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

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