345 CHAMBERS STREET; Block: 16; Stuyvesant HS

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 212-353-8306

•' TOTE 1: THE REPORTING LIMIT (RL) IS 3.0 µg NOTE 2: OSHA l at requirements for indoor airborne toad in area samples. However. At the present time there are no regulatory tcvcls or 991Tns for personal samples. and a pctm issible exposure level (PEL) of 50 cstablisbed an action level of 30 µg/m'

I NOTE 3: Blank units are in µg

I .,---- AND SIGNATURES CFRTIFICATXON

ANALYSIS PERFORMED BY:

REPORT PREPARED BY:

ATC certifies that this report is an accurate and authentic report of results obtained from the laboratory analysis.

QUALITY ASSURANCE COORDINATOR: 42T LABORATORY DIRECTOR:

I ATC is accredited by the tvcw York State Dcpartrncnt of Health Environmental Laboratory Approval Program Industrial Hygiene Association (AIHA) to perform analysis of lead in paint, dust wipes, air and soil samples. (ELAP) and by the American (ELAP #10579). (META #100229).

I I n u 1 1 I NYC-WTC 000107067