Water analysis report, Queens sample, Oct 2001

NYC 9/11 Public Portal Document

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REPORT OF ANALYSIS Westchester County Department of Labs and Research 2 Dana Road Valhalla, New York

Agency: New York City DEP DWQC Sample QUEENS Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 79050 Dr. Ian Hurley ID of Source: Received KM Collection 10/22/2001 AT Bottle c300,k7780,7535,7888,p9197,91 Submitted 10/23/2001 AT Collected By: MOHAN/NAKHLA Sample Type: P0T_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? ; YES Report

Sample No. AD26011 Method Test Description Results Units MDL Analyzed on Validator EPTC < MDL ug/L 1.0 11/1/2001 DLV Hexachlorobenzene < MDL ug/L 0.10 11/1/2001 DLV Hexachlorocyclopentadiene < MDL ug/L 0.10 11/1/2001 DLV Metolachlor <MDL ug/L 0.75 11/1/2001 DLV Metribuzin < MDL ug/L 0.15 11/1/2001 DLV Molinate < MDL ug/L 0.90 11/1/2001 DLV Simazine <MDL ug/L 0.40 11/1/2001 DLV Terbacil < MDL ug/L 2.0 11/1/2001 DLV The recovery for 1 of the 3 Surrogate Standards in this sample is below its acceptance range. Recoveries for 3 of the 18 compounds in the MDL and LCS Standards are outside of their acceptance ranges. Recoveries for 4 of the 18 compounds in the Spiked Sample are outside of their acceptance ranges. The level for bis(2-Ethylhexyl)phthalate in the Laboratory Blank is 1.2 ug/L. GCMS Scan For Unknowns Other unknown compounds ug/L 12/12/2001 DLV A scan of the extract prepared for the 508 analysis, from 35 to 550 amu using a mass spectrometer, reveals the presence of 2-(2-ethoxyethoxy)ethanol at an estimated level of 4.7 ug/L and with a fit of 90 out of 100; and 2-ethoxybutane at an estimated level of 3.0 ug/L and with a fit of 49 out of 100. The Field Blank for this sample will

Approved Pam Dilsizian QA Officer Date Approved: 12/17/2001

Environmental Laboratories emailed Original 12/17/2001

NYS ELAP #10108 Page 7 of 7

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