Water analysis results, Hillview Reservoir, Sept 2001

NYC 9/11 Public Portal Document

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

gency: New York City DEP DWQC Sample HILLVIEW RESERVOIR Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample SITE BX58 Dr. Ian Hurley ID of Source: Received KM Collection 09/16/01 AT 12:00:00 Bottle 28073 Submitted 09/17/01 AT 10:44:00 Collected By: JR Sample Type: POT_DW Comment: SAMPLES SUBMITTED IN PWSNo.: Source Code: NON-LABORATORY CONTAINER Type Descriptor: Chilled on arrival?: yes Report

Sample No. AD22580 Method Test Description Results Units MDL Analyzed on Validator Atrazine <MDL ug/L 0.10 09/21/01 DLV Benzo(a)pyrene <MDL ug/L 0.20 09/21/01 DLV bis(2-Ethylhexyl)adipate <MDL ug/L 0.60 09/21/01 DLV bis(2-Ethyihexyl)phthalate 0.83 ug/L 0.60 09/21/01 DLV Butachlor <MDL ug/L 0.40 09/21/01 DLV EPTC <MDL ug/L 1.0 09/21/01 DLV Hexachlorobenzene <MDL ug/L 0.10 09/21/01 DLV Hexachlorocyclopentadiene <MDL ug/L 0.10 09/21/01 DLV Metolachlor <MDL ug/L 0.75 09/21/01 DLV Metribuzin <MDL ug/L 0.15 09/21/01 DLV Molinate <MDL ug/L 0.90 09/21/01 DLV Simazine <MDL ug/L 0.07 09/21/01 DLV Terbacil <MDL ug/L 2.0 09/21/01 DLV Recoveries for bis(2-EthyIhexyI)phthalate and Butachlor in the MDL Standard were above their acceptance ranges. This sample was submitted to our laboratory using NYCDEP bottles. GCMS Scan For Unknowns Other unknown compounds ug/L 10/11/01 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 any non-target compounds generally different than those present in the Laboratory Blank, except that the levels are higher in the sample than the Laboratory Blank.

Approved Donna Popp Chief of Env. Lab Services Date Approved: 10/17/01

Environmental Laboratories Copy 10/17/01

NYS ELAP # 10108 Page 2 of 2

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