NYC-WTC_000064246
Document recording quality control procedures for a specific batch of environmental samples from the World Trade Center site.
Filed in the same folder
Document / 18 pages
Arsenic QC batch results, Oct 2001
Machine-extracted title · confidence 90%Laboratory data entry form recording quality assurance and control results for an arsenic analysis batch in October 2001.
NYC-WTC_000064292–000064309Folder label: “All Metals 1st QC batch”
Page image
OCR text
OCR status: junk · source: pdftotext
NYC 9/11 Public Portal Document
Analysis Report 09/27/01 12:15:31 PM page 1
Method: lECW Sample Name: 23499 Operator: it Run Time: 09/27/01 12:13:47 Comment: Mode: CONC Corr. Factor: 1
Elem Ag3280 A13082 AS1936 B_2496 ea4934 Be3130 Ca3179 Avge <.0000 <.0000 .0044 .0010 .0129 <.0000 5.569 SDev .0053 .0184 .0309 .0019 .0000 .0001 .009 %RSD 34.02 18.73 709.2 187.3 .0090 32.99 . 1703
#1 <.0000 <.0000 <.0000 .0015 .0129 <.0000 5.565 #2 <.0000 <.0000 .0366 <.0000 .0129 <.0000 5.577 #3 <.0000 <.0000 .0186 .0029 .0129 <.0000 5.577 #4 <.0000 <.0000 <.0000 .0011 .0129 <.0000 5.557
Elem 062288 CO2286 Cr2677 CU3247 Fe2599• ^_7664 Mg2790 Avge <.0000 <.0000 <.0000 <.0000 .0216 2.7 V- 0000 1.051 SDev .0009 .0019 .0014 .0024 .0037 1.360 .005 %RSD 42.37 18.21 11.08 77.12 17.01 37.20 .4315
#1 <.0000 <-0000 <.0000 <.0000 .0240-r <.0000 1.057 #2 <.0000 <.0000 <.0000 <.0000 .0240'7^ <.0000 1.051 #3 <.0000 <.0000 <.0000 <.0000 .0224 7- <.0000 1.048 #4 <.0000 <.0000 <.0000 <.0000 .0162 '-^<.0000 1.048
Elem Mn2576 MO2020 Na5889 Ni2316 Pb2203 Sb2068 Sel960 Avge .0159 <.0000 6.898 <.0000 <.0000 <.0000 <.0000 SDev .0019 .0026 .073 .0051 .0214 .0211 .0876 %RSD 12.12 25.72 1.055 50.76 29.74 32.75 278.4
#1 .0184 <.0000 6.790 <.0000 <.0000 <.0000 .0017 tt2 .0154 <.0000 6.936 <.0000 <.0000 <.0000 <.0000 #3 .0161 <.0000 6.942 <.0000 <.0000 <.0000 .0174 #4 .0138 <.0000 6.926 <.0000 <.0000 <.0000 .0175
Elem 312881 T11908 V_2924 Zn2138 Avge .8705 <.0000 <.0000 .0009 SDev .0202 .0934 .0030 .0011 %RSD 2.321 172.3 22.68 124.1
#1 .8925 <.0000 <.0000 .0016 #2 .8828 <.0000 <.0000 .0016 #3 .8534 <.0000 <.0000 .0012 #4 .8534 .0667 <.0000 <.0000
NYC-WTC_000064303
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000064303Source: 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
No available related records indexed in this group.
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.
NYC-WTC_000064247
Laboratory data entry form recording quality assurance and control results for arsenic analysis batches on September 28, 2001.
Filed in the same folder
NYC-WTC_000064250
Laboratory data entry form recording quality assurance and control results for arsenic analysis batches on September 28, 2001.
Filed in the same folder
NYC-WTC_000064253
Continuation of laboratory data entry form recording quality assurance and control results for arsenic analysis batches on September 28, 2001.
Filed in the same folder
NYC-WTC_000064256
Final page of laboratory data entry form recording quality assurance and control results for arsenic analysis batches on September 28, 2001.
Filed in the same folder