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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_000102965
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

1 ATC ASSOCIATES,INC 104 E 25th Street, 10th Floor Ne-tvYork,NY10010 T .212-353-8280 Fax 212-353-8306

REPORTDATE: 07 -02 -31

I CLIENT: Taylor Environmental Group, Inc.

t HS PROJECT NAN7-: SCA /Stuyve 2nd Floor

PROJECT NUMBER M477-15217129991

SAMPLED BY; Client

SAMPLE DATE 07-30-02 07-31-02 DATE RECEIVED: 07-31-02 DATE ANALY'zE1)=

SA LE MEDIA: Air SamP1es ANALYSIS REQUIRED: Method NIOSH 7082

RESULTS ANALYSIS SAMPLE LEAD DETECTION DESCRIPTION CONCENTRATION SAMPLE LET ID BATCH NO. (111m3) (µ1m3) <3.1 3.1 Ol 20797 Inside Rtn 229 at Entrance to Hallway <3.1 3.1 02 20797 Inside Rm 233 at Entrance to Hallway

I 03 Z0797 Inside Rm 235 at Entrance to Hallway VOID

<3.1 3.1 04 20797 Inside Rm 237 at Entrance to Hallway <3.1 3.1 05 20797 Inside Rm 911 at Entrance to Hallway _ <3.1 3.1 - -- 06 20797 Inside Rm 229 at Entrance to Hallway <3.1 3.1 07 20797 Inside Rm 233 at Entrance to Hallway <3.1 3.1 05 20797 Inside Rm 235 at Entrance to Hallway «.1 3.1 09 20797 Inside Rm 237 at Entrance to Hallway <4.5 4.5 10 20797 Inside Rrn. 6151Library at Entrance to Hallway <1.5µs 13uo 11 20797 Field Blank <1.5p; 1-5 µS FieldBlank I t2

NOTE l: 20797

THE REPORTING LIMIT (RL) IS 3.0 µg NOTE 2: Iced in arat samples. E{ovrevc, OSHA bas levels or rcquiretncnrs for indoor airborne Al the present time there arc no regttlatory s_) af50 }tdJ for person. samples. t abiished sn action level of 30 µghrr and a pamisstbic exposurc level (Pa NOTE 3: Blank units are in µg

NYC-WTC 000102965

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NYC-WTC_000102965Source: NYC Law Department, mirrored locally

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