NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 59/K 10/30/01
Document / 33 pages

Potassium sample log, WTC site, Oct 30 2001

Machine-extracted title · confidence 90%

Log entry for potassium sample processing activities at the World Trade Center site on October 30, 2001.

NYC-WTC_000065852–000065884

Folder label: “K 10/30/01

Page image
Scanned page image, NYC-WTC_000065871
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Element: K Seq. No.: 68 AS Log.: Date; 10/30/2001 ' Sample ID: Blk

Repl SampleConc StndConc BlnkCorr Time # /tg/L MS/b Signal 1 -1.036 -1.036 0.006 15:08:44 2 -8.617 -8.617 0.005 15:08:51 3 -6.095 y -6.095 0.005 15:08:58 4 -10.11 / -10.11 0.004 15:09:05 Mean: -6.465V -6.465 0.005 SD : 3.981 3.981 0.001 %RSD: 61.58 61.58 13.88

Element: K Seq. No.: 69 AS Log.: Date: 10/30/2001 Sample ID: 25845

Repl San^leConc StndConc BlnkCorr Time » gg/L Mg/b Signal 1 552.7 552.7 0.104 15:09:28 2 549.6 549.6 0.104 15:09:35 3 547.1 547.1 0.103 15:09:42 4 545.0 545.0 0.103 15:09:50 Mean: 548.6 548.6 0.103 SD : 3.319 3.319 0.001 %RSD: 0.61 0.61 0.57

Element: K Seq. No.: 70 AS Log.: Date: 10/30/2001 Sample ID: 25845dup

Repl San^jleConc StndConc BlnkCorr Time # /ig/L Mg/b Signal 1 548.9 548.9 0.103 15:10:00 2 548.8 548.8 0.103 15:10:07 3 546.8 546.8 0.103 15:10:14 4 538.9 538.9 0.102 15:10:22 Mean: 545.8 545.8 0.103 SD : 4.721 4.721 0.001 %RSD: 0.86 0.86 0.81

Element: K Seq. No.: 71 AS Log.: Date; 10/30/2001 Sample ID: 25845spk

Repl SampleConc StndConc BlnkCorr Time # Mg/L Signal 1 17610 3521 0.630 15:10:41 San^le absorbance is greater than that of the highest standard. 2 17530 3506 0.627 15:10:48 San^le absorbance is greater than that of the highest standard. 3 5632 1126 0.206 15:10:56 4 -91.60 -18.32 0.003 15:11:03 Mean: 10170 2034 0.366 SD : 8857 1771 0.314 %RSD: 87.10 87.10 85.62

Page 3

NYC-WTC_000065871

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

NYC-WTC_000065871Source: 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

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.

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 →