NYC-WTC_000209737

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC 104 E 25th Street, 10th Floor New York, NY 10010 TeL 212-353-8280 Fax 212-355-8306

REPORT DATE; OS-07-02

CLJENT; Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS 3rd Floor

PROJECT NUMBER: M477-15217/298SI

sampled BY: Client

SAMPLE DATE 08-05-02 DATE RECEIVED: OS-06-02 DATE ANALYZED; OS-06-02

SA.MPLE MEDIA; Air Samples analysis REQUIRED: Method NIOSI-T70S2

analysts results

sample BATCH SAK'IPLE DESCRIPTION LEAD DETECTION ID NO. C(9NCENTRATION LIMIT

Ol 20951 Inside Room 351 near Entrance co Hallway <1.8 l.S 02 20951 Inside Room 573 near Entrance to Hallway <1.6 1.6

03 20951 Inside Room 351 near Entrance to Hallway <1.9 1.9 04 20951 Inside Room 373 near Entrance to Hallway <2.2 2.2 05 20951 Field Blank <1-5 -ig 1.5 ng 06 20951 Field Blank <1.5 nc 1.5 U£.

NOTE T THE REPORTING LIMIT (RL) IS 3.0 ng NOTE 3; At the present time there arc no regulatno’ levels or rcquiramciits tor indoor airborne lead in orca samples. However. O.SHA has established an aerion iovtl of 30 ng,'m' and a pemijssible exposure level (PEL) of 50 pg/m’ for personal sainples NOTE: Blank units .arc in ns

certification and .signatures

ANALYSIS PERFORMED BY:

REPORT prepared BY;

ATC certifies that this report ii an accurate and authentic repyw of results obtained from the laburacon' analysis.

QUALITY ASSURANCE COORDINATOR:

laboratory DIRECTOR:

z\TC ii uccrediud by ilie New York Slnte Department of Health Envirujinicnral Laboratory Approvrd Program (ELAP) and by the American Inrliistrial Hvgieilc As.coaiation (AI HA) to portorm aoal>5« of lead in paint, dust wipei. an-and soil samples. (ELAP Cl 0.179), (AIHA #100227).

CITY_DEP_WORBY_CANNATA_SUBP_000003776

NYC-WTC_000209737