345 Chambers Street air test results and chain of custody,

NYC 9/11 Public Portal Document

ABC ASSOCIATES,INC 104 E 25th Street, 10th Floor New York,NY 10010 TeL 212-353-8280 Fax 212-353-8306

I REPORT DATE: 07-29-02

CLIENT: Taylor Environmental Group, Inc. I PROJECT NAME: SCA/Stuyvesant HS 345 Chambers Street. NY

I PROJECT NUMBER: M477-15217/29881

SAMPLED BY: Client

I SAMPLE DATE: DATE RECEIVED: 07-27-02 07-28-02 DATE ANALYZED: 07-28-02 I SAMPLE MEDIA: Dust Wipe Sample ANALYSIS REQUIRED: Method EPA 305017420

I ANALYSIS RESULTS

I SAMPLE ID BATCH NO. SAMPLE DESCRIPTION LEAD CONCENTRATION DETECTION LIMIT (µg/ft) (µgift ) I] LW-01 20713 Rm 925 Ceiling Unitvent Damper <9.0 9.0

f] FBL-1

FBL-2 20713

20713 Field Blank

Field Blank <9.0 µg

<9.0 µg 9.0 µg

9.0 µg

I NOTE 1: THE REPORTING LIMIT (RL) IS 18.0 µg NOTE 2:

I HUD Guidelines for final clearance dust wipe samples: Floor 40 µg/It', Window sills 250 µg/It', Window wells 400 µg/ft'. Exterior auriaec 800 µg/ft, NOTE 3: Blank units are in µg

I CERTTFTCATION AND SIGNATURES

I ANALYSIS PERFORMED BY:

REPORT PREPARED BY I ATC certifies that this report is an accurate and authentic report of uts-ebtshted from the laboratory analysis.

I QUALITY ASSURANCE COORDINATOR:

LABORATORY DIRECTOR L ..

American I

ATC is accredited by the New York State Department of Health Environmental Laboratory Approval Program (ELAP) and by the Industrial Hygiene Assonation (AIHA) perform analysis of lead paint, dust to in and wipar. air soil samples. (FLAP

#10879). (AIFIA

# 100229).

I

NYC-WTC 000106710