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 Fax 212-353-8306

1 REPORT DATE: 08-05-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCAIStuyvesaat HS 4th, 8th Floors

I PROJECT NUMBER: M477-15217/29881

SAMPLED BY: Client

SAMPLE DATE 08-03-02 DATE RECEIVED: 08-03-02 08-03-02 I DATE ANALYZED:

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

I ANALYSTS RESULTS LEAD DETECTION SAMPLE BATCH SAMPLE DESCRIPTION CONCENTRATION LIMIT ID NO. (u&/m')

I 01 20895 Rm 450 East Entrance <4.2 4.2

<2.5 2.5 I 42 03 20895

20895 Rm 451 Entrance

Rm 453 Entrance G2S 2.5

<5.0 5.0 04 20895 Rin 451 Entrance <5.0 5.0 05 20895 Rm 453 Entrance 1.5 µg I 06 20895 Field Blank <1.5 µs u L07 20895 Field Blank <1.5 us 1.5 s

LI NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 µg NOTE 2: ver, OSHA :u At the present time there are no regulatory levels or requirements for indoor airborne lead in area nal I established act acrion level of 30 µg/m' and a NOTE 3: Blank units arc in µg pecmissblc eposure level (PELT of 50 µg/m' for personal sHsroccPles.

Li I NYC-WTC 000107143