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: 07-18-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS 345 Chambers St., 8th Floor SAMPLED BY: Client

SAMPLE DATE 07-17-02 DATE RECEIVED: 07-18-02 DATE ANALYZED: 07-18-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

ANALYSTS RESULTS

SAMPLE DESCRIPTION LEAD DETECTION SAMPLE BATCH CONCENTRATION LIhIIT ID NO. (µ€Jm3) (F3Slrn3)

P11 <6.4 6.4 01 20462 Fabion Ordonez SS#

20462 1`aronjo Raul SS#_._. PII <3.9 3.9 02 20462 Velez Jose SSm PII <3.9 3.9 03 Richard A~ ila SS#` PII <4.0 4.0 04 20462 <4.1 4.1 05 20462 Nube Gallegos SS#._._._._._._._. PII._._._._._._.

20462 Lucyna Foremska SS# ._._._._._._._. P11 <7.4 7.4 06 Parra Lady SS# PII <4.1 4.1 07 20462 PII <4.1 4.1 08 20462 Fabion Ordonez SS#!

Naronjo Raul SS# <3.8 3.8 09 20462 P11 SS# . . . . . . . . ....... 3.8 20462 Velez Jose .PII <3.8 10 <3.8 3.8 11 20462 Richard Avila SS#f ._._._._._._._._._._.PII

Nube Gallegos SS#! P11 <3.8 3.8 12 20462 LucynaForemskaSS# PII <3.8 3.8 13 20462

Field Blank <1.5 µg 1.5 µg 14 20462 <1.5 µg 1.5g 15 20462 Field Blank

NOTE 1: THE REPORTTNG LIMIT (RL) IS 3.0 µg NOTE 2: satnple . However, OSHA has At the present time there arc no regulatory levels or requirements for indoor airborne lead in3 area personal samplcc. established an action level of 30 }tg/na3 and a permisnibic exposure level (PEI.) of 50 tsfilm for NOTE 3: Blank units arc in µs

NYC-WTC 000106949