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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_000102972
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NYC 9/11 Public Portal Document A-i L L- :3UL1AILJ, .1AA1 104 E 25th Street, 10th Floor New York, NY 10010 Tel. 212-353-8280 Fax 212-353-8306

REPORT DATE: 08-02-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS Rooms 501, 501A, 231

PROJECT N[7MSER M477-15217/29881

SAMPLED BY: Client

SAMPLE DATE 08-01-02 DATE RECEIVED: 08-02-02 DATE ANALYZED: 08-02-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION CONCENTRATION LIMIT ID NO. (µg n3) (1i 3)

20857 Inside Rm 501A by Entrance to Corridor <3.7 3.7 01

02 20857 Inside Rm 501 by Entrance to Corridor <3.7 3.7

03 20857 Inside Rm 231 by Entrance to Corridor <5.0 5.0

20857 Inside Rm 501A by entrance to Corridor <3.2 3.2 04

05 20853 Inside Rm 501 by Entrance to Corridor <3.9 3.9

06 20857 Inside Rm 231 by Entrance to Corridor <3.3 33

FBL-1 20857 Field Blank <1.5 ug 1.5 µs

FBL-2 20857 Field Blank <1.5 µg 13 µg

NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 µg NOTE 2 area aampics. However, OSHA has Ar the present time tb:n: ar no rcgularory levels or requirements for indoor airborne iced in establisbcd an action Icvci of 30 µgf& and a permissible exposure level (PEI.) of 50 µgiro' for personal samples. NOTE 3: Blank unit; are in µg

NYC-WTC 000102972

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NYC-WTC_000102972Source: NYC Law Department, mirrored locally

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