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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: POT_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 EPA94 Molybdenum <MDL ug/L 50.0 12/20/2001 PAD

EPA'79 Potable Metals Digestion Completed 12/5/2001 PAD

SM18 Tin < MDL ug/L 100 1/2/2002 PAD Organics GCMS Scan For Unknowns Other unknown compounds <MDL ug/L 12/12/2001 DLV The GCMS scan, from 35 to 550 amu, does not reveal the presence of unusual compounds, except for the presence of Di-n-butylphthalate at an estimated level of 0.35 ug/L.

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

Environmental Laboratories emailed Original 1/2/2002

NYS ELAP #10108 Page 2 of 2

NYC-WTC_000070903

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NYC-WTC_000070903Source: 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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