345 CHAMBERS STREET; Block: 16; Stuyvesant HS

NYC 9/11 Public Portal Document A1 ASSUCiATES, INC I 104 E 25th Street, 10th Floor New York, NY 10010 Tel. 212-353-8280

I Fax 212-353-8306

I REPORT DATE:

CLIENT: 07-17-02

Taylor Environmental Group, Inc.

Li PROJECT NAME: SCA/Stuyvesant HS 345 Chambers St., 9th Floor SAMPLED BY: CIient I SAMPLE DATE DATE RECEIVED: 07-17-02 07-17-02

I DATE ANALYZED:

SAMPLE MEDIA: 07-17-02

Air Samplcs ANALYSIS REQUIRED: Method NIOSH 7082 CI

r ANALYSIS RESTTLTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT

1 Cl 20434 Room 927 at Entrancc (ug1m') <2.5 (µg/ni3) 2.5 02 20434 Room 931 at Entrance I 03 20434 Room 935 at Entrance <2.8

<2.8 2.8 2.8

r 04 05 20434 20434 Room 913 at Entrance

Room 925 at Entrance <2.8

<2.8 2.8 2.8 06 20434 Room 927 at Entrance I 07 20434 Room 931 at Entrance <3.1

<3.1 3.1

3.1 08 20434 I 09 20434 Room 935 at Entrance

Room 913 at Entrance <3.1 <3.1 3.1 3.1

I 10

11 20434 20434 Room 925 at Entrance Room 939 at Entrance <3.1 <3.1 3.1 3.1

I~ 12

13 20434 20434 Room 938 at Entrance Room 940 at Entrance <3.5 <3.5 3.5 3.5

I 14

15 20434

20434 Room 926 at Entrance

Room 936 at Entrance <4.7 <4.7 4.7 4.7

I 16 17 20434

20434 Field Blank FieldBlank <1.5 µg <1.5 µg 1.5 µg

1.5 µ8

C

NYC-WTC 000107056