345 CHAMBERS STREET; Block: 16; Stuyvesant HS

NYC 9/11 Public Portal Document

ATC ASSOCIATES, NC I 104 E 25th Street, 10th Floor New York,NY 10010 TeL 212-353-8280 Fax 212-353-8306

I REPORT DATE: 07-29-02

Taylor Environmental Group, Inc. LI CLIENT:

PROJECT NAME: SCA/Stuyvesant HS 3rd Floor

L' PROJECT NUMBER: M477-15217/29881

Client I SAMPLED BY:

SAMPLE DATE 07-27-02 DATE RECEIVED: 07-27-02

I DATE ANALYZED: 07-27-02

Air Samples SAMPLE MEDIA: ANALYSIS REQUIRED: Method NIOSH 7082 I ANATVSIS RESULTS I SAMPLE BATCH SAMPLE DESCRIPTION LEAD CONCENTRATION DETECTION LIMIT ' ID NO. (lagrn3) (µt' m 3)

<3.1 3.1 01 20716 Inside Rm 325 Near Entrance to Hallway

I 02 20716 Inside Rm 327 Near Entrance to Hallway <3.1 <3.1 3.1 3.1 03 20716 Inside Rm 335 Near Entrance to Hallway

I 04 20716 Inside Rm 337 Near Entrance to Hallway <3.1 <3.1 3.1

3.1 05 20716 Inside Rm 339 Near Entrance to Hallway

I 06 20716 Inside Rm 325 Near Entrance to Hallway Hallway <4.2 <4.2 4.2 4.2 07 20716 Inside Rm 327 Near Entrance to

I 08 20716 Inside R.rn 335 Near Entrance to Hallway <4.2

<4.2 4.2 4.2 09 20716 Inside Rm 337 Near Entrance to Hallway <4.2 4.2 10 20716 Inside Rm 339 Near Entrance to Hallway <I.5 µg 1.5 µa ii 20716 Field Blank

I 12 20716 Ficid Blank <1.S g 1.5 µs

NOTE t: I THE REPORTING LIMIT (RL) IS 3.0 µg NOTE 2: requirements for indoor airborne load in area samples. However, OSHA as At the present time there arc no regulatory levels or exposurelevel (PEL) of 50 µg(mt for personal samples. established an action level of 30 µg/m3 and a permissible I NOTE 3: µg Blank units are in

I . NYC-WTC 000107118