NYC-WTC_000232484

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: 07-26-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS 4th Floor

PROJECT NUMBER: M477-15217/29881

SAMPLED BY: Client

SAMPLE DATE 07-25-02 DATE RECEIVED: 07-25-02 DATE ANALYZED: 07-25-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

ANALYSIS RESULTS

SAMPLE BATCH SAlVffLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (Mg/m^) (gg/m’)

AL-01 20672 Inside Classroom 433 Near Entrance to Hallway <3.1 3.1

AL-02 20672 Inside Classroom 435 Near Entrance to Hallway 4.1 3.1 AL-03 20672 Inside Classroom 437 Near Entrance to Hallway <3.1 3.1

AL-04 20672 Inside Classroom 439 Near Entrance to Hallway <3.1 3.1

AL-05 20672 Inside Classroom 451 Near Entrance to Hallway 2.6 3.1 AL-06 20672 Inside Classroom 450 Near Entrance to Hallway 2.8 3.1

AL-07 20672 Inside Classroom 307 Near Entrance to Kallway 3.8 3.1

AL-08 20672 Inside Classroom 315 Near Entrance to Hallway 2.8 3.1

AL-09 20672 Inside Classroom 433 Near Entrance to Hallway 3.3 4.2

AL-10 20672 Inside Classroom 435 Near Entrance to Hallway <3.1 3.1

AL-11 20672 Inside Classroom 437 Near Entrance to Hallway <3.1 3.1

AL-12 20672 Inside Classroom 439 Near Entrance to Hallway <3.1 3.1

AL-13 20672 Inside Classroom 451 Near Entrance to Hallway <6.0 6.0

AL-14 20672 Inside Classroom 450 Near Entrance to Hallway <3.6 3.6

AL-15 20672 Inside Classroom 307 Near Entrance to Hallway <3.1 3.1

CITY_21MC100_010245458

NYC-WTC_000232484