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. 212-353-8280 Fax 212-353-8306

I

REPORT DATE: 07-15-02 I CLIENT: Taylor Environmental Group, Inc.

I PROJECT NAME: SCA/Stuyvesant HS 345 Chambers St., 10th Floor SAMPLED BY: Client I SAMPLE DATE 07-14-02

El DATE RECEIVED: 07-15-02 DATE ANALYZED: 07-15-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082 I ANALYSTS RESULTS

I SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION

I~ ID NO. CONCENTRATION LIMIT (g n3) (µg/m3)

LA-01 20367 Entrance of Room 1001 <4.2 4.2

I LA-02

LA-03 20367

20367 Entrance of Room 1007

Entrance of Room 1009 <4.2

<1.8 4.2

1.8

I LA-04 20367 Entrance of Room 1017 <1.8 1.8

LA-05 20367 Entrance of Room 1033 <1.9 1.9

I LA-06

LA-07 20367

20367 Entrance of Room 1025

Entrance of Room 1039 <3.8

<3.6 3.8

3.6

1.5 µg I LA-08 20367 Field Blank <1.5 µg

LA-09 20367 Field Blank <1.5 µg 1.5 µg

I I NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 µg NOTE 2: At for present time there un: no regulatory levels or n:quirematts for indoor aitbome lead in area samples. HowereC. OSHA hat I est tiblished an action level of 30 ig/m3 and a permissible expo^,ure level (PEL) of 50 }tig/m& Cor personal samples. NOTE 3: Elsnk units are in ltg

n

I NYC-WTC 000107045