NYC-WTC_000232533

NYC 9/11 Public Portal Document ATC ASSOCIATES, INC I 104 E 25th Street, 10th Floor New York, NY 10010 TeL 212-353-8280 I Fax 212-353-S306

NOTE 1; THE REPORTING LIMIT (RL) IS 3.0 pig NOTE 2;

I At ihc present time there arc no regulatory levels or requirements for indoor airborne lead in .area samples. However, OSHA has tetablisbed an action level of 30 pg/m’ and a permissible exposure level (PEL) of 50 pg/m’ for personal samples. NOTE 3; Blank units ore in pg

I CERTTFICATTQN AND SIGNATURES

ANALYSIS PERFORMED BY;

I REPORT PREPARED BY;

I ATC certifies that tliis report is an accurate and authentic report of results obtained ftoin the laboratory analysis.

QUALITY ASSURANCE COORDINATOR:

2^ - I LABORATORY DIRECTOR:

ATC is accredited by the New York Stole Departrnent of Health Environmental Laboratory Approval Program (ELaP) and by the .American Industrial Hygiene Associabon (ALHA) to perform analysis of lead in paint, dust wipes, air and soil samples. (ELAP #10879), (AIHA #100229).

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CONFIDENTIAL, CITY_21MC100_010733910 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000232534