345 CHAMBERS STREET; Block: 16; Stuyvesant HS

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC 104 E 25th Street, 10th Floor New York, NY 10010 Tel. 212-353-82S0 Fax 212-353-8306

L-]ti 20505 Room #I017A / K.Calle SS# ? PII 5.4 5.2 rB-1 20505 Field Blank <1.5 ug 1.5 µg FB-2 20505 Field Blanlc <1.5 ~S 1.5 µg

NOTE 1. THE REPORTING LIMIT (RL) IS 3.0 µg NOTE 2: At the present time thcrc arc no regulatory levels or requirements for indoor airborne lead in area samples. However, OSHA has established an action 1e .c1 of 30 µyhn' end a perntissihle exposure level (PEL) of 50 ,u/n1' for persona! samples. NOTE 3: @tank units arc in µg

CERTIFICATION 4ND SIGNATURES

ANALYSIS PERFORMED BY:

REPORT PREPARED BY:

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

QUALITY ASSURANCE

LABORATORY DIRECTOR: '._4/" J Al C is accredited by the Nev York Sons Department of Health Environmental Laboratory Approval Program (FLAP) and by the American Industrial Hyticne Association (AA•IA) to perform analysis of Icad in paint, dust wipes, air and soil samples. ([LAP #10379), (All-IA #100229).

NYC-WTC 000106959