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Water analysis report, Valhalla samples, Nov-Dec 2001

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

NYC-WTC_000070336–000070353

Folder label: “28104

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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: NYCDEP Bureau Water Sample NYC DEP 465 Columbus Ave. 19 WEST LAKE DRIVE Valhalla. NY 10595 VALHALLA, N.Y. Sample DELI 8 Attention: Steve Schindler ID of Source: Received EP Collection 11/16/2001 AT 6:55:00 Bottle PI 013.1014,925,0857,875,874,8 Submitted 11/16/2001 AT 1:44:00 Collected By: SUTTON Sample Typo: POT_DW Comment: PWS No.: Source Code: 000 Type Descriptor: Sample chilled on arrival?: YES Report

Sample No. AD28105 Method Test Description Results Units MDL Analyzed on Validator EPTC <MDL ug/L 1.0 1/29/2002 DLV Hexachlorobenzene <MDL ug/L 0.10 1/29/2002 DLV Hexachlorocyclopentadiene <MDL ug/L 0.10 1/29/2002 DLV Metolachlor <MDL ug/L 0.75 1/29/2002 DLV Metribuzin <MDL ug/L 0.15 1/29/2002 DLV Molinate <MDL ug/L 0.90 1/29/2002 DLV Simazine <MDL ug/L 0.40 1/29/2002 DLV Terbacil <MDL ug/L 2.0 1/29/2002 DLV The recoveries for 6 of the 18 compounds in the LCS Standard were outside of their acceptance ranges. The recoveries for 4 of the 18 compounds ir the Spiked Sample were outside of their acceptance ranges. GCMS Scan For Unknowns Other unknown compourds ug/L 1/2/2002 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 Dilsizian QA Officer Date Approved: 2/8/2002

Environmental Laboratories emailed Original 2/8/2002

NYS ELAP »10108 Page 6 of 6

NYC-WTC_000070347

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NYC-WTC_000070347Source: NYC Law Department, mirrored locally

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NYC-WTC_000070332 · 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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