NYC-WTC_000200150

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

REPORT DATE: 08-26-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS 5th Floor

PROJECT NUMBER: M477-15217/29881

SAMPLED BY: Client

SAMPLE DATE 08-23-02 DATE RECEIVED: 08-24-02 DATE ANALYZED: 08-24-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

ANALYSTS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (Pg/m’) (Pg/m’)

5-Ll 21462 Sth Floor End of Corridor by Stairway E <1.5 1.5

5-L2 21462 Center Corridor by Rm C521 <1.5 1.5

5-L3 21462 Corridor by Boys Locker Rm <1.5 1.5

FBI 21462 Field Blank <L5 pg 1-5 rig

FB2 21462 Field Blank <1-5 pg 1.5 pg

NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 ng NOTE 2: At the present time there are no regulatory levels or requirements for indoor airborne lead in area samples. However, OSHA has established an action level of 30 pg/ra^ and a pemiissible exposure level (PEL) of 50 (ig/m’ for personal samples. NOTE 3: Blank units are in pg

CITY_21MC100_011274057

NYC-WTC_000200151