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Chain of Custody Form Instructions for WTC Building Sampling

Machine-extracted title · confidence 100%

Instructions and sections for collecting sample location data from a specific building interior.

NYC-WTC_000149537–000149682

Folder label: “ATSDR/DHAC_ASTM

Page image
Scanned page image, NYC-WTC_000149585
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Building Method or Number Sample TVpe Location Quartz Cristobalite TridymitB CalcitB Portlandite Gypsiun Mica Halite

29 Air (pg/m^) PM2.5 ND ND ASN ND ND ND ND ND Settled surface dust 29 (%) Common area 1J ND ND 0.09 J 0.06 J 2J ND ND Settled surface dust 29 (%)________ Outdoor 8J ND ND 3J 2J 2J 0.3 J 0.07 J Settled surface dust 29 ________ Residence 1 0.2 J ND ND ND ND 1J ND Settled surface dust 29 ________ Residence 2 ND ND ND ND ND ND ND ND

30 Air {pg/m’) PM100 NS NS NS NS NS NS NS NS

30 Air (pg/m^ PM10 3J ND ASN ND ND 3J ND ND

30 Air (pg/m^) PM4 ND ND ASN ND NO 5J ND ND

30 Air (pg/m^) PM2.S ND ND ASN ND ND ND ND ND Settled surface dust 30 ________ Common area NS NS NS NS NS NS NS NS Settled surface dust 30 ________ Outdoor NS NS NS NS NS NS NS NS Settled surface dust 30 (%) Residence 1 1 J ND ND ND 0.9 J 4J 0.06 J 0.05 J Settled surface dust 30 (%) Residence 2 0.6 J ND ND 0.4 J 0 .4 J 4J ND ND I Results for IndMdual Comparison BuUdIngs Sampfed Above S9th Street (Buildings 31-34)

31 Air (pg/m’) PM100 NS NS NS NS NS NS NS NS

31 Air (pg/m^) PM10 ND ND ASN NO ND 3J ND NO

31 Air (pg/m*) PM4 ND ND ASN ND ND 5J ND ND

31 Air (pg/m®) PM2.5 NS NS NS NS NS NS NS NS Settled surface dust 31 (%) Common area 1J ND ND 0.03 J 0.05 J 2J ND 0.04 J Settled surface dust 31 (%)________ Outdoor NS NS NS NS NS NS NS NS Settled surface dust 31 ________ Residence 1 ND ND ND ND ND 2J ND ND Settled surface dust 31 (%) Residence 2 NO ND NO ND NO ND ND ND

32 Air (pg/m’) PM100 ND ND ASN ND ND 3J NO ND

32 Air (pg/m*) PM10 ND ND ASN ND ND 3J ND ND

32 Air (pg/m^) PM4 ND ND ASN ND ND 5J ND ND

32 Air (pg/m’) PM2.5 ND ND ASN ND ND 3J ND ND Settled surface dust 32 ________ Common area 1J ND ND 0.4 J ND 3J ND ND Settled surface dust 32 ________ Outdoor NS NS NS NS NS NS NS NS Settled surface dust 32 ________ Residence 1 2J ND ND 0.9 J 0.08 J 4J 0.08 J 0.4 J Settled surface dust 32 (%) Residence 2 NS NS NS NS NS NS NS NS

33 Air (pg/m^) PM100 ND ND ASN ND ND ND ND ND

33 Air (pg/m^) PM10 ND ND ASN ND ND ND ND ND

33 Air (pg/m^) PM4 ND ND ASN ND ND ND ND ND

33 Air (pg/m^) PM2.5 ND ND ASN ND ND NO ND ND Settled surface dust 33 (%) Common area NS NS NS NS NS NS NS NS

113

NYC-WTC_000149585

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NYC-WTC_000149585Source: NYC Law Department, mirrored locally

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