NYC-WTC_000179320

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: 10-22-01

CLIENT: NYC BOE

PROJECT ADDRESS: Stuyvesant HS (M477) 345 Chambers Street, New York, NY 100007

PROJECT NO: 19125-0246

SAMPLED BY; H. Antonyan

SAMPLE DATE: 10-20-01 DATE RECEIVED: 10-21-01 DATE ANALYZED: 10-21-01

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

ANALYSIS RESULTS

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

01 9556 Field Blank <1.6 1.6

02 9556 Field Blank <1.6 1.6

03 9556 1st Floor Swimming Pool Area <2.1 2.1

04 9556 1 st Floor East Side Exit Vestibule <2.1 2.1

05 9556 1 st Floor North Side Exit Vestibule <2.1 2.1

06 9556 3rd Floor Aux. GYM Area <2.1 2.1

07 9556 5th Floor Cafeteria Area <2.1 2.1

NOTE 1: THE REPORTING LIMIT (RL) IS 3.2 t-g

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 ugni' and a permissible exposure level (PEL) of 50 pg/m’ for personal samples.

CONFIDENTIAL, CITY_21MC100_003458836 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000179320