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Water analysis report, Bronx samples, Nov-Dec 2001

Machine-extracted title · confidence 95%

Laboratory report of inorganic metal analysis for water samples collected from the Bronx area in November 2001.

NYC-WTC_000070412–000070439

Folder label: “27622

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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 BRONX Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 12250 Dr. Ian Hurley ID of Source: Received DV Collection 11/9/2001 AT 9:21:00 Bottle C485,p765,669,764,q636,637,418 Submitted 11/10/2001 AT Collected By: KAGZI Sample Typo: POT_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD27624 Method Test Description Results Units MDL Analyzed on Validator Benzo(a)pyrene <MDL ug/L 0.20 11/23/2001 DLV bis(2-Ethylhexyl)adipate <MDL ug/L 0.60 11/23/2001 DLV bis(2-Ethylhexyl)phthalate <MDL ug/L 0.60 11/23/2001 DLV Butachlor <MDL ug/L 0.40 11/23/2001 DLV EPTC <MDL ug/L 1.0 11/23/2001 DLV Hexachlorobenzene <MDL ug/L 0.10 11/23/2001 DLV Hexachlorocyclopentadiene <MDL ug/L 0.10 11/23/2001 DLV Metolachlor <MDL ug/L 0.75 11/23/2001 DLV Metribuzin <MDL ug/L 0.15 11/23/2001 DLV Molinate <MDL ug/L 0.90 11/23/2001 DLV Simazine <MDL ug/L 0.40 11/23/2001 DLV Terbacil <MDL ug/L 2.0 11/23/2001 DLV The recoveries for 2 of the 18 compounds in the LCS Standard were below their acceptance ranges. The recoveries for 3 of the 18 compounds in the Spiked Sample were outside of their acceptance ranges. The breakdown for Endrin in the Breakdown Standard was 61%. The injection port is kept at 280 degrees Celcius which may be contributing to high Endrin Breakdown. An investigation into modifying injection port parameters will be made. GCMSSranForUr TS Other unknown compounds ug/L 1/3/2002 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 Diisizian QA Officer Date Approved: 1/22/2002 Environmental Laboratories emailed Original 1/22/2002

NY8 ELAP # 10108 Page 4 of 4

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NYC-WTC_000070404 · Box DEP Box 61

Record documenting the chain of custody for samples submitted to the Westchester County Department of Labs and Research.

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