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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_000102906
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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-S280 Fax 212-353-8306

REPORT DATE: (15-07-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME SCA/Stuyvesant HS 345 Chambers Street, NY

PROJECT NUMBER: M477-15217;29881

SAMPLED BY: Client

SAMPLE DATE: 08-06-02 DATE RECEIVED: 08-07-02 DATE ANALYZED: 08-07-02

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

ANALYSTS RESULTS

SAMPLE BATCH SAMPLE DESCRIP17ON LEAD DETECTION ID No. CONCENTRATION LUM1T ( /ft) (µg/ft)

LW-0] 20981 Room 207 Floor/Wall Unit Vent -Rear <9,0 9.0

LW-02 20981 Room 207 Ceiling Unit Vent - Damper <9.0 9.0

LW-03 20981 Room 260 Left Floor/Wall Unit Vent - Roar <9.0 9.0

LW-04 20981 Room 260 Right Floor/WalI Unit Vent - Rear <9.0 9.0

LW-05 2098]. Room 260 Ceiling Unit Vent - Damper <9.0 9.0

FE-1 20981 Field Blank <9.0 g 9.0g

FB-2 2098] Field Blain: <9.0 µg 9.0 µg

NOTE 1: THE REPORTING LIMIT (RL) IS 18.0 µg NOTE 2; HUD Guideline for final alcarance dust 'wipe sntnplcs: Floor X10 µ /ft, Window sills 250 lfr. Window wells 400 µg/ft=, Fxtrrior surfaces 600 µglft'. NOTE 3: Alank units are in µg

NYC-WTC 000102906

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NYC-WTC_000102906Source: NYC Law Department, mirrored locally

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