345 CHAMBERS STREET; Block: 16; Stuyvesant HS

NYC 9/11 Public Portal Document

ATC ASSOCIATES,INC Floor 7,04E 25th Street, 10th New York,NY 10010

I Tel. 212353-8280 Fax 212-353-8306

LI 07-25-02 REPORT DATE: Inc. Taylor Environmental Group, CLIENT: SCA/Stuyvesant HS PROJECT NAME: 4th Floor

M477-15217/29881 PROJECT NUMBER: 1 SAMPLED BY: Client

07-25-02 ' SAMPLE DATE 07-25-02 DATE RECEIVED: 07-25-02 DATE ANALYZED:

I SAMPLE MEDIA: ANALYSIS 7tEQUUMD: Air Samples Method NIOSH 7082

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

I I I <3.6 3.6 01 20635 Rrn 401 at Entrance <3.6 3.6 02 20635 Rrn 403 at Entrance <3.6 3.6 03 20635 Rm 404 at Entrance <3.6 3.6 04 20635 Rm 405 at Entrance <3.6 3.6 05 20635 Rm 407 at Entrance 3.6 5.2

I 06 07 20635 20635 Rm 411 at Entrance Rm 413 at Entrance <3.6 <3.6 3.6 3.6

I 08

09 20635

20635 Rm 911 at Entrance Rm 401 at Entrance <3.1 3.1

4.2 6.1 10 20635 Rm 403 at Entrance 3.1 4.7 11 20635 Rm 404 at Entrance <4.2 4.2 12 20635 Rm 405 at Entrance 3.1 <3.1 13 20635 Rm 407 at Entrance <3.1 3.1 14 20635 Rm 411 at Entrance <3.1 3.1 15 20635 Rm 413 at Entrance

I NYC-WTC 000107107