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Water analysis report, Silver, Aluminum, Arsenic, Oct-Nov 2001

Machine-extracted title · confidence 95%

Laboratory analysis report for NYC DEP water samples collected October 15, 2001, testing for Silver, Aluminum, and Arsenic.

NYC-WTC_000072316–000072328

Folder label: “25072

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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 58 Dr. Ian Hurley ID of Source: Received KM Collection 10/15/2001 AT Bottle c265,k4159,7336,3381 ,p9084,90 Submitted 10/15/2001 AT Collected By: TIGLAO Sample Type: POT_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD25073 Method Test Description Results Units MDL Analyzed on Validator 524.2 P-isopropyltoluene < MDL ug/L .5 10/16/2001 SV 524.2 SEC-butylbenzene < MDL ug/L .5 10/16/2001 SV 524.2 Styrene <MDL ug/L .5 10/16/2001 SV 524.2 TERT-butyl benzene <MDL ug/L .5 10/16/2001 SV 524.2 Tetrachloroethene <MDL ug/L .5 10/16/2001 SV 524.2 Toluene < MDL ug/L .5 10/16/2001 SV 524.2 trans-1,2-dichloroethene <MDL ug/L .5 10/16/2001 SV 524.2 trans-1,3-dichloropropene <MDL ug/L .5 10/16/2001 SV 524.2 Trichloroethene < MDL ug/L .5 10/16/2001 SV 524.2 Trichlorofluoromethane <MDL ug/L .5 10/16/2001 SV 524.2 Vinyl chloride <MDL ug/L .5 10/16/2001 SV DICHLOROACETONITRILE FOUND AS A TENTATIVELY IDENTIFIED COMPOUND BY METHOD 524.2. THE APPROXIMATE CONCENTRATION IS 0.03 ug/L. GCMS Scan For Unknowns Other unknown compounds ug/L 11/28/2001 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: 12/4/2001

Environmental Laboratories emailed Original 12/4/2001

NYS ELAP # 10108 Page 6 of 6

NYC-WTC_000072328

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NYC-WTC_000072328Source: NYC Law Department, mirrored locally

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