Water analysis report, NYC DEP, Oct-Nov 2001

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 HILLVIEW BX Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 58 Dr. Ian Hurley ID of Source: Received LK Collection 10/22/2001 AT 9:25:00 Bottle c0376,q9796,24,9447,p941 0,943 Submitted 10/22/2001 AT Collected By: TIGLAO Sample Type: POT_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? ; YES Report

Sample No. AD25874 Method Test Description Results Units MDL Analyzed on Validator bis(2-Ethylhexyl)phthalate 2.1 ug/L 0.60 11/1/2001 DLV Butachlor <MDL ug/L 0.40 11/1/2001 DLV 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 Recoveries for 2 of the 18 compounds in the MDL Standard were above thier acceptance ranges. Recoveries for 3 of the 18 compounds in the LCS Standard were outside of their acceptance ranges. Recoveries for 4 of the 18 compounds in the Spiked Sample were outside of their acceptance ranges. The recovery for 1 of the 3 Surrogate Standards in this sample was below its acceptance range. 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, does not reveal the presence of non-target compounds, except for 1,1,2,2-Tetrachloroethane at an estimated level of 0.48 ug/L and a fit of 95 out of 100. Analysis of the Field Blank for this sample shows no contamination.

Approved Pam Dilsizian QA Officer Date Approved: 1 /22/2002

Environmental Laboratories emailed Copy 1/22/2002

NYS ELAP# 10108 Page 7 of 7

NYC-WTC_000072776