345 CHAMBERS STREET; Block: 16; Stuyvesant HS

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: 08-01-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS 6th Floor - Library

PROJECT NUMBER: M477-15217/29881

SAMPLED BY: Client

SAMPLE DATE 08-01-02 DATE RECEIVED: 08-01-02 DATE ANALYZED; 08-01-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

ANALYSIS RES

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMT (llay`m') (µg/m 3)

L-01 20823 Luis Rodriguez Library - Accross Microfilm <3.8 3.8 Computer 20823 Rigoberto Contas Library - Across Circulation Desk <3.7 3.7

L-03 20823 Rout Loja Library by Maps Section <3.8 3.8

q04 20823 Ronaldo Calle SS# P11 in 615E <3.7 3.7

20823 Luis Rodriguez Library- Accross Microfilm <3.7 3.7 Computer 20823 Romulo Callc SS# PII I Rm 615E <3.8 3.8

20823 Raul Loja in Library by Maps Section <3.6 3.6

20823 Field Blank <1.5 µg 1.5 µg

L-09 20823 Field Blank <1.5 vg 1.5 µg

NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 µg NOTE 2: At the pracent time there arc no regulatory levels or requirement for indoor airborne tend in area samples. However, OSHA bas established an action level of 30 µg/m3 and a permissible rtposure level (PEL) of 50 µgg/m3 for personal samples. NOTE 3: Blank units are in µg

NYC-WTC 000107022