NYC-WTC_000180120
Laboratory results for lead concentration in dust wipe samples collected on March 15, 2002.
8 shared non-person entities · 1 shared topics · similarity 0.998
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NYC-WTC_000229771
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000229771–000229772Page image
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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: 04-11-02
CLIENT: NYC BOE
PROJECT ADDRESS: (M894)/90 Trinity Place NY, NY 10006
PROJECT NO: 41717-0561 SAMPLED BY: Y. Efstathiou
SAMPLE DATE: 04-11-02 DATE RECEIVED: 04-11-02 DATE ANALYZED: 04-11-02 -
SAMPLE MEDIA: Dust Wipe Sample ANALYSIS REQUIRED: Method EPA 3050/7420
ANALYSIS RESULTS
SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (Pg/ft’).- ■ (ng/tf)
01 9756 Blank <9.0 gg 9.0 pg
02 9756 1st Floor Lobby (Floor) <9.0 9.0
03 9756 Auditorium Floor <9.0 9.0
04 9756 3rd Floor Hallway Floor <9.0 9.0
05 9756 5th Floor Hallway Floor <9.0 9.0
06 9756 7th Floor Hallway Floor <9.0 9.0
07 9756 9th Floor Hallway Floor <9.0 9.0
08 9756 13th Floor Hallway Floor <9.0 9.0
09 9756 Cafeteria Floor 9.3 9.0
10 9756 Cafeteria #906 Floor <9.0 9.0
11 9756 Classroom #503 Window Sill <7.9 7.9
NOTEI: THE REPORTING LIMIT (RL) IS 18.0 gg NOTE 2: HUD Guidelines for final clearance dust wipe samples: Floor 40 Window sills 250 pg/ft/ Window wells 400 pg/ft\ Exterior surfaces 800 pg/ftl NOTE 3; Blank units are in pg
CONFIDENTIAL, CITY_21MC100_003387908 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000229771
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NYC-WTC_000229771Source: NYC Law Department, mirrored locally
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