NYC-WTC_000200088

NYC 9/11 Public Portal Document

PI ATC ASSOCIATES, INC 104 E 25th Street, 10th Floor q New York, NY 10010 Tel. 212-353-8280 Fax 212-353-8306

REPORT DATE: 07-29-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS 345 Chambers Street, NY

PROJECT NUMBER: M477-15217/29881 n SAMPLED BY: Client

SAMPLE DATE: 07-27-02 DATE RECEIVED: 07-27-02 DATE ANALYZED: 07-27-02

SAMPLE MEDIA: Dust Wipe Sample ANALYSIS REQUIRED: Method EPA 3050/7420

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION n ID NO. CONCENTRATION LIMIT (Pg/ft^)

LW-01 20698 Rm 907 Ceiling Unitvent Damper <9.0 9.0

FBL-1 20698 Field Blank <9.0 pg 9.0 pg

FBL-2 20698 Field Blank <9.0 pg 9.0 pg

NOTE 1; THE REPORTING LIMIT (RL) IS 18.0 pg LJ NOTE 2: HUD Guidelines for final clearance dust wipe samples: Floor 40 iig/ft’, Window sills 250 pg/ft^ Window wells 400 pg/ft3 Exterior surfaces 800 pg/fF. NOTE 3: Lj Blank units are in pg

CERTIFICATION AND SIGNATURES

ANALYSIS PERFORMED BY:

0 REPORT PREPARED BY:

ATC certifies that this report is an accurate and authentic report of results obtained from the laboratory analysis.

QUALITY ASSURANCE COORDINATOR:

LABORATORY DIRECTOR:

ATC is accredited by the New York State Department of Health Environmental Laboratory Approval Program (ELAP) and by the American hidustrial Hygiene Association (AIHA) to perform analysis of lead in paint, dust wipes, air and soil samples. (ELAP #10879), (AIHA #100229). J

CITY_21MC100_003266303

NYC-WTC_000200088