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

07-16-02 REPORT DATE: Taylor Environmental Group, Inc. CLIENT: SCAJStuyvesant HS PROJECT NAME: 345 Chambers St., 10th Floor SAMPLED BY: Client

SAMPLE DATE 07-15-02 07-16-02 DATE RECEIVED: 07-16-02 DATE ANALYZED:

SAMPLE MEDIA: Air Samples Method NIOSH 7082 I ANALYSIS REQUIRED:

~►t j LY Rx'SULTS

DESCRIPTION LEAD DETECT1ON SAMPLE BATCH SAMPLE CONCENTRATION LIMIT ID NO. (µblur') (µSlur') .. _. _. .. <3.3 3.3 LOl 20393 Gil Colic SS#._._._._._._.P-!_._._._._._. ;._._._._._._. L02 20393 Cesar Chalcn SS# 1! ._._._._._._.P <3.5 3.5 - <3.5 3.5 L03 20393 Antonio Cusco SS# P11 <6.3 6.3 ' 1.04 20393 Mauricio Avila SS# .._._._._.......PI `. _. _._._._._ I - <7.4 7.4 LOS 20393 Eloy Cuzco SS# PII --------------- <4.1 4.1 L06 20393 Gil Colle SStk PII. : . . . . .- ' <4.1 4.I P11 L07 20393 Cesar Chalcn SS <4.1 4.1 1 L08

1.09 20393 20393 Antonio Cusco S5# Mauricio Avila SE PII PII <4.3 4.3

L10 20393 Eloy Cuzco SS#;._._._._._._.PH -; <6.7 67 PII Ll l 20393 Nube FallegoS SS# <6.9 6.9 20393 Floa Bunao SW# - P11 L12 <1.5µg 1.5 ug 1x13 20393 Field Blank <1.5 µg 1.5 µb 1.14 20393 Field Blank

NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 µg I NOTE 2: s or requirtxnents for indoor airborne le3.dtt1s At the prcscnt time there arc no regulatory levels parsons! However, OS µaim' and ptrmissiblc exposure level (PEL) of 50 µgi %r a established an action l vel of 30 is NOTE 3: I Blank units are in µg

I NYC-WTC 000106937