NYC-WTC_000232412

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 Sth 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 (Hg/m’) (gg/m’)

8-Ll 21419 8th Floor Corridor West of Staircase E <1.3 1.3 8-L2 21419 Sth Floor Corridor SW of Escaltor Ent. <1.4 1.4

8-L3 21419 Sth Floor Corridor between Rm 837 & 840 <1.4 1.4

FBI 21419 Field Blank <1.5 Mg 1.5 Mg

FB2 21419 Field Blank <1-5 Mg 1.5 Mg

NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 Mg NOTE 2: At ths 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 pg/m’ and a permissible exposure level (PEL) of 50 Mg/m’ for personal samples. NOTE 3: Blank units are in Mg

CITY_21MC100_010236503

NYC-WTC_000232413