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”
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OCR text
OCR status: junk · source: pdftotext
NYC 9/11 Public Portal Document
Analysis Reoort 09/27/01 12:21:10 PM page 1 !
lethod: IECW Sample Name: 23501 Operator: it ^un Time: 09/27/01 12:19:26 Comment: lode: CONC Corr. Factor: 1
Elem Ag3280 A13082 AS1936 B_2496 Ba4934 Be3130 Ca3179 Avge <.0000 <.0000 .0095 .0011 .0125 <.0000 5.470 SDev .0007 .0037 .0264 .0007 .0008 .0000 .016 %RSD 4.968 3.822 278.7 63.00 6.721 15.38 .2890
#1 <.0000 <.0000 <.0000 .0018 .0129 <.0000 5.492 #2 <.0000 <.0000 .0470 .0015 .0112 <.0000 5.458 #3 <-0000 <.0000 <.0000 .0003 .0129 <.0000 5.470 #4 <.0000 <.0000 .0082 .0007 .0129 <.0000 5.459
Elem Cd2288 CO2286 Cr2677 CU3247 Fe2599 ._7664 Mg2790 Avge <.0000 <.0000 <.0000 .0052 .02177,5jS<.0000 1.077 SDev .0008 .0014 .0006 .0015 .0037 .3767 .015 %RSD 33.86 14.82 5.987 29.00 17.04 11.82 1.419
#1 <.0000 <.0000 <.0000 .0063 .0162 <.0000 1.086 #2 <.0000 <.0000 <.0000 .0063 .0240-/- <,0000 1.054 #3 <.0000 <.0000 <.0000 .0031 .0224^ <,0000 1.086 #4 <,0000 <.0000 <.0000 .0052 . 024O-r' <,0000 1.080
Elem Mn2576 MO2020 Na5889 Ni2316 Pb2203 Sb2068 Sel960 Avge ,0244 <.0000 7.403 <.0000 <.0000 <.0000 <.0000 SDev .0015 .0031 .031 .0040 .0293 ,0325 .0352 %RSD 5.983 40.29 .4211 37.93 61.12 56.03 54.47
#1 .0254 <-0000 7.435 <.0000 <.0000 <,0000 <.0000 #2 .0223 <-0000 7.422 <.0000 <.0000 <.0000 <.0000 #3 .0254 <.0000 7.368 <.0000 <.0000 <.0000 <.0000 tt4 .0246 <.0000 7.386 <.0000 <.0000 <.0000 <.0000
Elem Si2881 T11908 V_2924 Zn2138 Avge .9048 <.0000 <.0000 .0010 SDev .0094 .0897 .0017 .0010 %RSD 1.039 353.6 15.88 98.25
#1 .9023 <.0000 <.0000 .0012 tt2 .9122 <.0000 <.0000 .0020 #3 .8925 .0981 <.0000 .0012 #4 .9121 <.0000 <.0000 <.0000
NYC-WTC_000064305
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NYC-WTC_000064305Source: NYC Law Department, mirrored locally
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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