NYC-WTC_000220315

NYC 9/11 Public Portal Document

JLC ENVIRONMENTAL CONSULTANTS. INC. 200 Park Avenue South. Suite 1001. New York. New York 10003 Phone; (212) 420-8119 Far (212) 420-6092

T. a L. Environmental Services Project No.; 01-2083010 ^Kette Drive ELAP Lab Code; 11029 Analyte: LEAD P^mus, NJ 07652 NIOSH and AIHA Lab Code; 100273 Date Collected: a2aoi NVLAP Lab Code; 101953 Date Received: 9/25A)1 Date Analyzed: 9^7/01 Site; WTC #5,6 &7 -Greenwich Lab Batch#; 0109L2O01

SUMMARY OF ANALYTICAL RESULTS - AIR

Sample # Lab# Description/ Location Volume (liter) Results (ug/m3) Client's Sample #

1 Inside the Trailer 960 9.7 17124 56504 2 Sign-in/out/ Trailer 780 21.0 17125 56505

3 Comer of Murray & Greenwich 780 13.8 17126 156507 ^127 FIELD BLANK <4/ Filter

105 5 FIELD BLANK <4/ Filter 17128 106

Sample Analysis by: Alomis Absorption Spectrometry (AAS) wiOi an air-acetytene burner head (Flame) and background conection (AAS-Flama).

Method of Sample Preparation and Analysis Collected By Charles Colbert All Samples were prepared and analyzed in accordance with NIOSH Method 7032, Analyzed By. Tamara Metelklna February 15.1984.

/Zj clcU L / v-o U Gulam Machhiwaia Laboratory Director

urn Dectection Limit = <4.0 ug/m3 OSHA Permissible Exposure Limit (PEL) for General Industry is 50 ug/m3.

DISCLAIMER: JLC Environmental Consultants, Inc. did not collect the analyzed samples and thus accepts no liability with regard to their collection and/or maintenance. JLC relies on the client for all sample information prior to delrvery at JLC. Page 1 of 1

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NYC-WTC_000220315