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NYC-WTC_000175329

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000175329–000175330
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NYC 9/11 Public Portal Document

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

REPORT DATE: 09-10-02

CLIENT: NYC BOE

PROJECT ADDRESS: 411 Pearl Street

PROJECT NO: 41617-0908 SAMPLED BY: M. Nakhumovich

SAMPLE DATE: 09-09-02 DATE RECEIVED: 09-09-02 DATE ANALYZED: 09-09-02

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

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (gg/ft*)

01 9984 1st Floor Lobby Floor <9.0 9.0

02 9984 Cafeteria Floor <9.0 9.0

03 9984 Auditorium Floor 16.5 9.0

04 9984 Classroom 203 Floor <9.0 9.0

05 9984 Classroom 207 Window Sill 9.4 7.0

06 9984 5th Floor Hallway by Rm 506 Floor <9.0 9.0

07 9984 4th Floor Hallway by Rm 411 Floor 11.0 9.0

08 9984 3rd If Hallway by Rm 352 Floor <9.0 9.0

09 9984 2nd Floor Hallway by Rm 203 Floor <9.0 9.0

10 9984 1st Floor Hallway by Rm 159 Floor <9.0 9.0

11 9984 Basement Hallway by Rm B59 Floor 11.7 9.0

12 9984 Blank <9.0 gg 9.0 Hg

NOTE I: THE REPORTING LIMIT (RL) IS 18.0 pg NOTE 2: HUD Guidelines for final clearanee dust wipe samples: Floor 40 pg/ft/ Window sills 250 pg/ft’, Window wells 400 pg/fti Exterior surfaces 800 pg/ftl NOTES: Blank units are in pg

CONFIDENTIAL, CITY_21MC100_003422200

SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000175329

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NYC-WTC_000175329Source: NYC Law Department, mirrored locally

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