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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_000149594
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Sample Building Particle Size Quartz Cristobalite Tridymite Calcite Portlandite Gypsum Mica HalHe Number Fraction Volume (pg/m’) (pg/m’l (pg/m’) (PB/m’) MB/m’) (Mfl/rn’l) (L)

21 PMW 1212 R R R R R R R R 21 PM10 1241 R R R R R R R R 21 PM4 776 21 F=M4 780 21 PM4 780 21 PM4 750 21 PM4 771 5J 21 PM2^ 1236 21 PM25 1249 21 PM2.5 1211 21 PM2.5 1238

22 PM100 1336 5J 22 PM100 1385 13 J 22 PM100 1365 7J 22 PM100 1364 22 PM100 1261 22 PM10 1346 3J 22 PM10 1389 22 PM10 1361 22 PM10 1383 22 PM10 1271 22 PM4 870 22 PM4 872 22 PM4 863 22 PM4 787 22 PM25 1343 22 PM25 1334 22 1354 22 PM2.5 1252

23 PM100 1546 23 PM100 1626 23 PMIOO 1^ 23 PMIOO 1550 23 PM10 1578 23 PMIO 1596 23 PMIO 1568 23 PMIO 1592 23 PMIO 1612 23 PM4 991 23 FM4 1012

122

NYC-WTC_000149594

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NYC-WTC_000149594Source: NYC Law Department, mirrored locally

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