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

I REPORT DATE: 07-18-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS 345 Chambers St., 9th Floor Client I SAMPLED BY:

SAMPLE DATE 07-17-02 DATE RECEIVED: 07-17-02

I DATE ANALYZED:

SAMPLE MEDIA: 07-17-02

Air Samples ANALYSIS REQUIRED: Method NIOSH 7082 I ANALYSIS RESULTS

I SAMPLE BATCH NO. SAMPLE DESCRIPTION LEAD CONCENTRATION DETECTION LIMIT ID

I 01 20444 Inside Classroom 938 Near Entrance to Hallway (µllm') <3.1 (µ1'1m) 3.1

<3.1 3.1 I 02

03 20444

20444 Inside Classroom 940 Near Entrance to Hallway

Inside Classroom 939 Near Entrance to Hallway <3.1 3.1

<3.1 3.1 I 04

05 20444 20444 Inside Classroom 935 Near Entrance to Hallway Inside Classroom to Hallway Near Entrance to <3.1 3.1 Hallway 936

06 20444 Inside Classroom. 931 Near Entrance to Hallway <3.1 3.1

07 20444 Inside Classroom 927 Near Entrance to Hallway 8.7 3.1

I 08 20444 Inside Classroom 911 Near Entrance to Hallway <3.1 <3.1 3.1

3.1 09 20444 Inside Classroom 1010 Near Entrance to Hallway

I 10 20444 Inside Classroom 926 Near Entrance to Hallway 4.2 4.9 3.1

3.1 11 20444 Inside Classroom 938 Near Entrance to Hallway

I 12 20444 Inside Classroom 940 Near Entrance to Hallway 5.4 5.6 3.1 3.1 13 20444 Inside Classroom 939 Near Entrance of Hallway

I 14 20444 Inside Classroom 936 Near Entrance to Hallway 3.7 3.1

3.1 15 20444 Inside Classroo 902 Near Entrance to Hallway 4.3

I 16 20444 Inside Classroom 911 Near Entrance to Hallway 15.5 6.0

CI NYC-WTC 000107059