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 I Fax 212-353-8306

REPORT DATE: 07-15-02

CLIENT: Taylor Environmental Group, Inc.

I PROJECT NAME: SCA/Stuyvesant HS 345 Chambers St., 10th Floor SAMPLED BY: Client

SAMPLE DATE 07-14-02 DATE RECEIVED: 07-15-02 DATE ANALYZED: 07-15-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082. I NALYSIS RES

I SAMPLE ID BATCH NO. SAMPLE DESCRIPTION LEAD CONCENTRATION DETECTION LIMIT

I L01 20368 Raul Loja SS " <4.1 (µg/n►3)

4.1

Felix Calle SS# ._._._._._._._._. P11 <4.2 4.2 I L02 L03 20368 20368 Jose Vivar SS# _ _ _ PII - <4.3 4.3 <4.3 4.3 I L04 L05 20368 20368 Luis Rodriguez SS#.............._Pii._._._._._._. Mauricio Arila SS#_ _ _ _ _ _ _ _P11 <4.4 4.4 <4.4 4.4 I L06 L07 20368 20368 Henry Avila SS# ....... Raul Loja S5# . PII PI1

X4.1 4.1

Peh Calle SS# ._._._._._._._._.Ell_ <4.l 4.1 I LOS L09 20368 20368 Jose Vivar SS# PII ------ <4.1 4.1 <4.1 4.1 I L10 L11 20368 20368 Luis Rodriguez SS# Mauricio Arila SS# PII PII <4.1 4.1

<4.1. 4.1 I L12 BL1 20368 20368 Henry Avila SS#k

Field Blank P11 <1.5 µg 1.5 µg

<1.5 µg 1.5 µg I BL2

NOTE 1: 20368 Field Blank

TIME REPORTING LIMIT (EL) IS 3.0 µg I 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 µg`m and a permissible exposure level (PEL) or50 µglm' for pc:sonal samples. NOTE 3: I. Blank units are in µg

NYC-WTC 000106932