345 Chambers Street air test results and chain of custody,

NYC 9/11 Public Portal Document

Al I 104 E 25th Street, 10th Floor New York,NY 10010 TeL 212-353-8280 I Fax 212-353-8306

I REPORT DATE: 05-12-02

CLIENT: Taylor En onmental Group, Inc.

I PROJECT NAME: SCA/Stuyvesant HS 345 Chambers Strrct, NY

I PROJECT NUMBER: M477-15217-29881

SAMPLED BY: Client

I SAMPLE DATE: DATE RECEIVED: 08-09-02 08-09-02 DATE ANALYZED: 08-09-02 I SAMPLE MEDIA: Dust Wipe Samplc ANALYSIS REQUIRED: Method EPA 3050/7420

I ANALYSTS RESULTS

I SAMPLE ID BATC:I NO. SAMPLE DESCRIPTION LEAD CONCENTRATION DETECTION LIMIT (g/ft) (µg//ft')

I LW-01 21042 6th Floor Dance Studio Floor Adj.Left Window <9.0 9-0

9.0 Li LW-02

P3-1 21042

21042 6th Floor Dance Studio Table Top R.H.S.

Ficld Blank <9.0

<9.0 µg 9.0 µg 9.0 µg I FB-2 21042

NOTE 1: Field Blank <9.0 µg

THE REPORTING LIMIT (RL) IS 18.0 µg I NOTE 2: HUD Guidelines for final clearance dust wipe s:uaples: Floor 40 Windeu• wells 400 µg/ft', alenor surfaces 800 Ergot2. µg/ft', Window silL. 250 W41ft2.

NOTE 3: I Blank units arc in µg

CERTIFICATION AND SIGNATURES

I ANALYSIS PERFORMED BY:

1 REPORT PREPARED BY:

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

COORDINATOR:

ASSURANCE

QUALITY

I

' ''

DIRECTOR: LABORATORY

by the American Environmental Laboratory Approval Program (ELAP) and (AIBA #100229). ATC is accredited by the New York St:ttc Department of Hcaltb wipes, air and soil samples. (E.AP #10S79). I

Indutatal Hygicnc Assocsauon (AA) to perform aaalyis of iced in paint, dust

I

000106551 NYC-WTC