Water analysis results, NYC DEP sample, Oct 2001

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 KENSICO LAB 465 Columbus Ave. 19 WEST LAKE DRIVE Valhalla, NY 10595 VALHALLA, N.Y. Sample CRO GH Attention: Steve Schindler ID of Source: Received KM Collection 9/29/2001 AT 1:00:00 Bottle C162,K7302,7712,6681 ,P9541,9 Submitted 10/1/2001 AT 8:47:00 Collected By: WAGNER Sample Type: POT_DW Comment: PWS No.: Source Code: 000 Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD23915 Method Test Description Results Units MDL Analyzed on Validator The recoveries for five of the eighteen compounds in the MDL and LCS Standards were outside of their acceptance ranges. Recoveries for two of the eighteen compounds in the Spiked Sample were below their acceptance ranges. The Spiked Duplicate Sample was lost due to a laboratory accident. The level of bis(2-EthylhexyI)phthalate in the Laboratory Blank was 24 ug/L due to a laboratory accident. GCMS Scan For Unknowns Other unknown compounds ug/L 10/25/2001 DLV A scan of the extract prepared for the 508 analysis, from 35 - 550 amu using a mass spectrometer, only reveals the presence of a single poorly identified compound, 2,6-Diphenyl-4,4-dimethyl-1,4-dihydropyridine-3,5-dicarbonitrile. The remaining baseline rise surrounding this compound is due to Siloxane, or column bleed. Stat charge for VOLATILE organic Completed 10/1/2001 12:02 AM SV

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Approved Pam Dilsizian QA Officer Date Approved: 11/14/2001

Environmental Laboratories emailed Original 11/14/2001

NYS ELAP # 10108 Page 6 of 6

NYC-WTC_000027040