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. 212-333-8280 Fax 212-353-8306

REPORT DATE: 07-26-02 CLIENT: Taylor Environmental Group, Inc. PROJECT NAME: SCA/Stuyvesaat I-IS 4th Floor PROJECT NUMBER: M477-15217/29S81 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 BATCH SAMPLE DESCRIPTION LEAD DETECTION SAMPLE NO CONCENTRATION LIMIT ID (µg/m') (pg/m3)

L-01 20667 Beatriz Chavez SS# P11 12.2 4.9 L-02 20667 Bulvia Castillo SS#[_._._. PII <4.9 4.9 L-03 20667 Bertha Tacho SS# P11 8.7 4.9 P11 <#.8 4.8 L-04 20667 Luis Rodriguez SS# ! <4.8 4.8 L-05 20667 David Vivar SS#L PII <4.8 48 L-06 20667 Luis Avila SS# P11

L-07 20667 Alexis Bernal SS# PII <4.8 4.8 <4.9 4.9 L-08 20667 Maria Alvarez SS# P11 `

20667 Beatriz Chavcz SS# .-.-.-.-.PII_ - 5.1 3.8 L-09 4.6 3.8 L-10 20667 Bulvia Castillo SS# P11 7.9 3.8 L-11 20667 Bertha Taehe SS# PII

20667 Luis Rodriguez SS#+ PII I3.0 5.2 L-12 20667 P11 <3.9 3.9 L-13 David Vivar SS# 4.4 4.0 L-14 20667 Luis Avila SS# P11

Alexis Bernal SS#._._._._._.P!!._._._._._. 5.5 4.0 L-15 20667

NYC-WTC 000106995