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 BRONX Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 17550 Dr. Ian Hurley ID of Source: Received JC Collection 10/19/2001 AT Bottle 343,9229,9328,9335,9337,9240,9 Submitted 10/20/2001 AT 9:07:00 Collected By: BROWN Sample Type: POT DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD25841 Method Test Description Results Units MDL Analyzed on Validator 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 12/6/2001 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: 12/11 /2001

Environmental Laboratories emailed Original 12/11/2001

NYS ELAP #10108 Page 7 of 7

NYC-WTC_00007273C)