NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 50/74-90 CHURCH ST 1001230, 86/1
Document / 271 pages

Chain of custody form, 90 Church Street, Nov 2001

Machine-extracted title · confidence 100%

Chain of custody document for samples from 90 Church Street dated November 14, 2001.

NYC-WTC_000124631–000124901

Folder label: “74-90 CHURCH ST 1001230, 86/1”

←Page 4 of 271→
Mirrored PDFOfficial City PDF ↗
Page image
Scanned page image, NYC-WTC_000124634
OCR text

OCR status: ocr · source: ours

NYC 9/11 Public Portal Document Sample # Location Metals Antimony Arsenic Beryilium Cadmium Chromium Copper Lead Nickel Selenium Silver Thallium Zine Mercury Silica Quartz Cristobalite Tridymite Total Crystalline Silica M7-1 ug/sf 5.49 1.3 0.327 1.45 14.4 64.7 54.2 4.14 0.965 0.169 <0.01 820 NA Weight % Weight % 3.1 <0.2 <0.2 3.1 M7-2 mg/kg 9.68 2.25 1.29 3.99 52.9 228 147 14.9 < 0.495 0.874 < 0.495 1760 0.287 49 <0.2 <0.2 4.9 M7-3 mg/kg 6.33 2.04 1.08 2.67 57.2 172 101 14 < 0.49 < 0.49 < 0.49 4180 0.373 Weight % Weight % Weight % Weight % Weight % Wei 3.8 <0.2 <0.2 3.8 M7-4 mg/kg 7 3.26 1.05 5.46 52.3 295 784 19.2 < 0.581 0.88 < 0.581 3090 NA 3.5 <0.2 <0.2 3.5 M8-1 mg/kg 0.734 0.95 0.999 0.556 23 38.6 13.9 13.4 < 0.495 < 0.495 < 0.495 236 0.256 3.2 <0.2 <0.2 3.2 M8-2 M8-3 mg/kg ug/sf 30.7 9.91 2.68 1.6 0.951 0.195 §.72 2.08 72.9 14 323 148 126 70.3 22.5 4.43 < 0.735 0.864 3.17 0.476 < 0.735 < 0.01 2790 541° NA NA M8-4 M8-5 ug/sf ug/sf 1.06 6.81 0.998 © 1.48 < 0.002 0.14 0.32 0.982 0.725 8.41 8.77 31.5 6.8 30 1.56 2.16 1.45 1.57 0.116 0.17 < 0.01 < 0.01 39.2 223 NA NA 3.8 3.4 2 1.8 <0.2 <0.2 <0.2 <0.2 < 0.2 <0.2 <0.2 <0.2 3.8 3.4 2 1.8 ght % Weight % TAGM 75 0.16 10 25 20 0.1 NYC-WTC_000124634

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000124634Source: NYC Law Department, mirrored locally

Related records

Browse subjects →

Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.

Same-box records

No available related records indexed in this group.

Filed elsewhere

More like this page

Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.

Page similarity is temporarily unavailable or this page has no indexed vector.

Buildings in this record

Machine-extracted building matches; verify each source. Buildings, never households.

Others also read

Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.

Compare copies and versions →