NYC-WTC_000209722

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: 08-05-02

CLIENT: Taylor Environmental Group, Inc.

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

PROJECT NUMBER: M477-15217/29881

SAMPLED BY: Client

SA.MPLE DATE: 08-03-02 DATE RECEmED: 08-03-02 DATE .ANALYZED; 08-03-02

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

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETT-CnON ID NO. CONCENTRATION LIMIT (US'iV)

DW-01 20893 Rm 450 Ceiling Unitveat Air Damper <9.0 9.0

D\V-02 20893 Rm 450 Walt Unitvent Back Wall <9.0 9.0

DW-03 20893 Rm 402 Ceiling Unitvent Air Damper <9,0 9.0

DW-04 20893 Field Blank <9.0 gg 9.0 ng

DW-05 20893 Field Blank <9.0 pg 9.0 ^lg

NOTE 1: THE REPORTING LIMIT (KL) IS 18.0 ng NOTE 2; HUD Guidelines for final clearance dust wipe samples; Floor 40 gg/fl’. Window sills 250 Window wells 400 gg/tF, Exterior surfaces SOO ugt'lt*. NOTES: Blank umta arc in gg

CERTTFIC ATION AND SIGNATURES

-ANALYSIS PERFORMED BY: Ok REPORT PREP.ARED BY:

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

QUALITY ASSURANCE COORDCV.ATOR:

LABORATORY DIRECTOR: ATC IS accredited by the New. York State Department of Health Environmental LabomtoTy Approval Program fELAP) and by the American Industrial Hygiene Association to peribnn analysia of lead in paint, dust wipes, air and soil s.impies. fELAP ff IOS79). (AltLA. P! 00229).

CITY_DEP_WORBY_CANNATA_SUBP_000003691

NYC-WTC_000209722