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.2X2353--8280 I Fax 212-353-8306

REPORT DATE: 07-25-02

I CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS

I 5th Floor

M471-]5217/29881 PROJECT NUMBER:

u SAMPLED BY: Client

07-24-02 SAMPLE DATE [1 DATE RECEIVED: DATE ANALYZED: 07-24-02 07-24-02

u SAMPLE MEDIA: ANALYSIS REQUIRED: Air Samples Method NIOSH 7082

N PSIS RESULTS

u SAMPLE ID BATCH NO. SAMPLE DESCRIPTION LEAD CONCENTRATION ( 'm') DETECTION LIMIT (µgfm 3)

I 01 20616 Rm 507 Inside Classroom Near Entrance to Corridor <3.0 3.0 3.0 6.7 02 20616 Rm 501B Inside Room by Entrance I 03 20616 Rm 511 Inside Classroom Near Entrance to Corridor <3.0 3.0 3.0 to Corridor 4.7

r_ 04 05 20616 20616 Rm 525 Inside Classroom Near Entrance Rm 531lnsidc Classroom Near Entrance to Corridor

Entrance to Corridor 3.8 3.2 3.0 3.4 06 20616 Rm 403 Inside Classroom Near I 07 20616 Rm 405 Inside Classroom Near Entrance to Corridor 4.9 4.0 3.4

3.6 Corridor

u OS

09 20616 20616 Rm 507 Inside Classroom Near Entrancc to

Rm 531 Inside Classroom Near Entrance to Corridor

Entrance to Corridor 11.2 16.7 3.7 3.7 20616 Rm 403 Inside Classroom Ncar I 10

11 20616 Rm 4051 side Classroom Near Entrance to Corridor 8.4 3.7

3.7 Entrance to Hallway 15.3 20616 Rm 401 Inside Room Near I 12 13 20616 Field Blank <1.5 µg 1.5 µg

<1.5 µg 1.5 µt: 20616 Field Blank I 14

I NYC-WTC 000107104