Lead air analysis results, WTC 5-7, Sep 2001

NYC 9/11 Public Portal Document

?.• • A JLC ENVIRONMENTAL CONSULTANTS. INC. 200 Park Avenue South, Suite 1001, NewYork, NewYork 10003 Phone: (212) 420-8119 Fax (212) 420-6092 P. T. & L Environmental Services Project No.: 01-2033013 ELAP Lab Code: 11029 Analyte; LEAD • ^Kette Drive f^mus, NJ 07652 NIOSH and AIHA Lab Code; 100273 Date Collected: 9/27/01 NVLAP Lab Code: 101953 Date Received: 9/27/01 Date Analyzed: 9^27/01 Site; WTC #5,6 & 7 - Greenwich Lab Batch#: 0109L2017

SUMMARY OF ANALYTICAL RESULTS - AIR

Sample # Lab# Description/ Location T Volume (liter) Results (ug/m3) Client’s Sample #

1 Operations - T-R 960 9.3 17232 55972

2 Safety - T-R 960 <4.2 17233 55973

3 At the Gates 960 4.7 17234 55974

^235 Support - T-R 960 <4.2

55975 5 FIELD BLANK <4/ Filter 17236 55992

6 FIELD BLANK <4/ Filter 17237 55995

Sample Analysis by: Aiomis Absorption Spectrometry (AAS) with an air-acelylene burner head (Flame) and background correction (AAS-FIame). Method of Sampte Preparation 3nd Anstysis CoHectedBy: Client All Samples were prepared and analyzed in accordance with NIOSH Method 7082, Analyzed By; Tamara Metelkina February 15,1984.

Gulam Machhiwala Laboratory Director

^Anum Dectection Limit = <4.0 ug/m3 <^A 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 delivery at JLC. Page 1 of 1

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