NYC-WTC_000200145

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: 08-23-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME; SCA/Stuyvesant HS 7th Floor

PROJECT NUMBER: M477-15217/29881

SAMPLED BY: Client

SAMPLE DATE 08-23-02 DATE RECEIVED; 08-23-02 DATE ANALYZED: 08-23-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (Pg/m')

7-Ll 21418 Eastern End of Corridor by Rm 707 <1.3 1.3

7-L2 21418 Center of Corridor by Rm C721 <1.3 1.3

7-L3 21418 West End Corridor by Rm 737 <1.3 1.3

FBI 21418 Field Blank <1-5 pg 1.5 pg

FB2 21418 Field Blank <1-5 pg 1.5 pg

NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 pg NOTE 2: At the present time there arc no regulatory levels or requirements for indoor airborne lead in area samples. However, OSHA has established an action level of 30 pg/m’ and a permissible exposure level (PEL) of 50 pg/rn-' for personal samples. NOTE 3: Blank units are in pg

CITY_21MC100_011274047

NYC-WTC_000200146