NYC-WTC_000200167

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: 08-29-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS Stuyvesant H. S. - Elevators on 3rd Floor Location

PROJECT NUMBER; M477-15217/29881

SAMPLED BY: Client

SAMPLE DATE 08-29-02 DATE RECEIVED: 08-29-02 DATE ANALYZED: 08-29-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (ng/m^) (ng/m^)

LOI 21610 Inside Right Passenger Elevator Located at 3rd Floor <1.4 1.4

L02 21610 Inside Sertice Elevator Located at 3rd Floor <1.4 1.4

L03 21610 Inside Pool Elevator Located at Sub-Ground Level <1.4 1.4

FBI 21610 Field Blank <1-5 ng L5 ng

FB2 21610 Field Blank <1-5 ng L5 ns

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 n&'tn- and a permissible exposure level (PEL) of 50 ng/m’ for personal samples. NOTE 3; Blank units are in ng

CITY_21MC100_011274124

NYC-WTC_000200168