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Chain of custody for unit ventilator lead wipe samples

Machine-extracted title · confidence 85%

Documentation tracking the collection and transport of lead wipe samples from unit ventilators at a World Trade Center site location.

NYC-WTC_000102902–000103033

Folder label: “UNIT VENTILATOR LEAD WIPE SAMPLE RESULTS

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Scanned page image, NYC-WTC_000102917
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NYC 9/11 Public Portal Document

AIL ASSOCIATES,INC 104 E 25th Street, 10th Floor New York,NY 10010 TeL 212-353-8280 Fax 212-353-8306

REPORT DATE: 08-14-02

CLIENT: Taylor Environmental Group, Inc_

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

PROJECT NUMBER M477-15217-29881

SAMPLED BY: Client

SAMPLE DATE: 08-13-02 DATE RECEIVED: 08-13-02 DATE ANALYZED: 08-13-02

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

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (ugJf) (ug/ff)

LW-01 21112 2nd Floor Corridor Supply O/S East Stair <9.0 9.0 LW-02 21112 2nd Floor Corridor Suuply 0/S Rm C221 <9.0 9.0 LW-03 21112 2nd Floor Corridor Supply O/S West Stair <9.0 9.0 LW-04 21112 2ndFloor Rm 225 Return 14.7 9.0 FB-O 1 21112 Field Blank <9.0 µg 9.0 µg FB-02 21112 Field Blank <9.0 µg 9.0 µg

NOTE 1: THE REPORTING LIMIT (RL) IS 18.0 µg NOTE 2: HUD Guidelines for final clearnnec duct wipe samples: Floor 40 µgift', Window sills 250 µg/ft', Window wells 400 µgfft', Extcrior surfaces SOO µgift'. NOTE 3: Blank units are in µg

NYC-WTC 000102917

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NYC-WTC_000102917Source: NYC Law Department, mirrored locally

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