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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_000102974
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NYC 9/11 Public Portal Document .:-£ . -A1- 104 E 25th Street, 10th Floor .L L ), 1!'u L

New York, NY 10010 TeL 212-353-8280 Far 212-353-8306

REPORT DATE: 08-05-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS 5th., 2nd Floors

PROJECT NUMBER: M477-15217/29881

SAMPLED BY: Client

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

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

ANALYSTS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (Ltghrn3) QzgJm)

01 20873 Inside Rm 501A Near Entrance to Hallway <2.8 2.8 02 20873 Inside Rm 231 Near Entrance to Hallway <2.8 2.8 03 20873 Inside Rrn 231 Near Entrance to Hallway <5.0 5.0 04 20873 Field Blank <1.5 tzg 1.5 µg 05 20873 Field clank <1.5 µg 1.5 gg

NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 µg NOTE 2: At thr present time tbcrc are no regulatory 3cvcls or requircmcnts for indoor n.irborne lead in arcs stunp)es. However, OSHA bas euablished an action level of 30 1gira3 and a p=nissiblc exposure ]eve] (PEL) of 50 µgtm3 for personal Samples. NOTE 3: Blank oohs are in tog

NYC-WTC 000102974

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NYC-WTC_000102974Source: NYC Law Department, mirrored locally

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