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Water analysis report, NYC DEP, GCMS unknown compounds, Nov-Dec 2001

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Laboratory analysis report for field blank water samples collected November 25, 2001, testing for unknown compounds via GCMS.

NYC-WTC_000070900–000070905

Folder label: “28758

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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 3 Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 3 Dr. Ian Hurley ID of Source: Received BH Collection 11/25/2001 AT 8:59:00 Bottle 0700,994,1196,1198,1000 Submitted 11/25/2001 AT 9:40:00 Collected By: YACOUB Sample Type: P0T_DW Comment: PWS No.; Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD28759 Method Test Description Results Units MDL Analyzed on Validator Inorganics ICPMS Metals for NEWQ EPA94 Antimony <MDL ug/L 0.1 12/19/2001 PAD EPA94 Arsenic <MDL ug/L 2.0 12/19/2001 PAD EPA94 Barium 13.8 ug/L 0.1 12/19/2001 PAD EPA94 Beryllium < MDL ug/L 2.0 12/19/2001 PAD EPA94 Chromium <MDL ug/L 1.0 12/19/2001 PAD EPA94 Copper < MDL ug/L 1.0 12/19/2001 PAD EPA94 Lead <MDL ug/L 1.0 12/19/2001 PAD EPA94 Manganese 21.8 ug/L 1.0 12/19/2001 PAD EPA94 Nickel <MDL ug/L 1.0 12/19/2001 PAD EPA94 Selenium < MDL ug/L 1.0 12/19/2001 PAD EPA94 Silver <MDL ug/L 2.0 12/19/2001 PAD EPA94 Thallium < MDL ug/L 1.0 12/19/2001 PAD EPA94 Zinc < MDL ug/L 2.0 12/19/2001 PAD

EPA94200. Aluminum < MDL ug/L 50.0 12/20/2001 PAD

EPA94 Cobalt <MDL ug/L 20.0 12/20/2001 PAD

EPA94 Iron 24 ug/L 20.0 12/20/2001 PAD

EPA79 Mercury <MDL ug/L 0.40 12/5/2001 PAD

Approved Pam Dilsizian QA Officer Date Approved: 1/2/2002

Environmental Laboratories emailed Original 1/2/2002

NYS ELAP #10108 Page 1 of 2

NYC-WTC_000070902

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NYC-WTC_000070902Source: NYC Law Department, mirrored locally

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Field blank analysis report, GCMS, Nov 2001 · Box DEP Box 61

NYC-WTC_000070792

Laboratory field blank analysis report for NYC DEP water samples collected on November 22, 2001, using gas chromatography mass spectrometry.

13 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993

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