NYC-WTC_000209686

NYC 9/11 Public Portal Document

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

REPORT DATE: OS-21-02

CLIENT: Taylor Environmental Group, Ine.

PROJECT NAME; SC-A/Stuyvesani HS 4tli Floor

PROJECT NUMBER: M477.15217/29881

SAMPLED BY: Client

SAMPLE DATE 08-20-02 DATE RECEIVED: 08-20-02 DATE ANALYZED: 08-20-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH70S2

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. concentration LIMIT (pg/m’)

4-Ll 21336 4th Floor Corridor @ Rm 440 <1.3 13

4.L2 21336 Rm 450 Robotics Conyer <1.3 1.3

4-L3 21336 4th Floor Corridor @ Top of Esc. West Stair <1.3 1.3

4-L4 21336 Rm 411 Computer Rm <1.3 1.3

4-L5 21336 4th Floor Corridor @ East Stair Rm 401/402 <1.4 1.4

FBI 21336 Field Blank -NOFELTSR

FB2 21336 Field Blank <1-5 UE 1.5

NOTEI: THE REPORTING LIMIT (RL) IS 3.0 ug NOTE 2: At the present time there are no regulatory levels oriequinmeitts for indoor airborne lead in arc* samples. Houever, OSHA has esQblisbctl an action level of 30 pgrm’ and a pcraiLEsible ceposure level (PEL) of 50 (Jg/tn' far personal samples. NOTE 3: Bbnk UJI its xr? in

CITY_DEP_WORBY_CANNATA_SUBP_000003387

NYC-WTC_000209686