NYC-WTC_000220391

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 Fax; (212) 420-6092 WSA Management Project No. 01-2240 ELAP Lab Code: 11029 Analyte: LEAD 100 Ring Road West NIOSH and AIHA Lab Code: 100273 Date Collected. 12/13/01 Garden City, NY 11530 NVLAP Lab Cede. 101953 Date Received: 1/13/01 Date Analyzed: 12/14/01 Site. 80 John Street, New York, NY Lab Batch #: 0112L2304

SUMMARY OF ANALYTICAL RESULTS - AIR

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

6 Ambient/ 6th Floor/ Corridor/ North Side on 240 <16.6 19777 North Wall 06 7 Ambient/ 12th Floor/ Apatyment 12F/ 240 <16.6 19778 Living/ Kitchen Counter on South 07 8 Ambient/ 12th Floor/Apartment 12F/ North 240 <16.6 19779 East Room/ South Wall Near Door 08

9 FIELD BLANK <4/ Filter 19780 09

10 FIELD BLANK <4/ Filter 19781 10

Sample Analysis by: Alomis Absorption Spectrometry (AAS) with an air-acetylene burner head (Flame) and background correction (/KAS-Flame),

Method of Sample Preparation and Analysis Collected By: Mohammad Khan All Samples were prepared and analyzed in accordance with NIOSH Method 7082, February 15, 1984. Analyzed By: Tamara Metelkina

lLu

Gulam Machhiwala Laboratory Director

Minimum 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 collecti and/or maintenance. JLC relies on the client for all sample information prior to delivery at JLC.

Page 2 of 2

CITY_21MC100_002885792

NYC-WTC_000220391