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Water analysis report, Antimony, Arsenic, Barium, Nov 2001

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Laboratory analysis report for NYC DEP water samples collected on November 21, 2001, testing for antimony, arsenic, and barium.

NYC-WTC_000070808–000070809

Folder label: “28662”

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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 36045 Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 11550 Dr. Ian Hurley ID of Source: Received BH Collection 11/21/2001 AT 9:48:00 Bottle c545,p924,604,q168,382 Submitted 11/22/2001 AT 9:40:00 Collected By: PATEL Sample Type: POT_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD28665 Method Test Description Results Units MDL Analyzed on Validator EPA94 Molybdenum <MDL ug/L 50.0 12/20/2001 PAD

EPA79 Potable Metals Digestion Completed 11/26/2001 PAD SM18 Tin <MDL ug/L 100 1/2/2002 PAD Organics GCMS Scan For Unknowns Other unknown compounds ug/L 12/7/2001 DLV The GCMS scan, from 35 to 550 amu, does not reveal the presence of unusual compounds. The recovery for the Surrogate Standard in this sample was 85%. Recoveries for 16 of the 44 compounds in the LCS Standard were outside of their acceptance ranges.

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_000070809

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NYC-WTC_000070809Source: NYC Law Department, mirrored locally

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NYC-WTC_000070792

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

12 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998

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