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 Report 09/27/01 12:33:50 PM page
Method: lECW Sample Name: ipc Operator: it' Run Time: 09/27/01 12:31:48 Comment: Mode: CONC Corr. Factor: 1
Elem Ag3280 A13082 AS1936 B_2496 Ba4934 Be3130 Ca3179 Avge .5003 .9893 .0308 .9834 .9749 .9644 .9925 SDev .0011 .0146 .0077 .0059 .0071 .0040 .0069 %RSD .2299 1.477 24.92 .5954 .7251 .4184 .6926
#1 .5007 1.006 .0373 .9874 .9723 .9656 .9987 #2 .5013 .9890 .0363 .9889 .9841 .9692 .9973 #3 .5007 .9705 .0288 .9811 .9757 .9630 .9902 #4 .4987 .9916 .0208 .9762 .9673 .9597 .9838
Elem Cd2288 CO2286 Cr2677 CU3247 Fe2599 K_7664 Mg2790 Avge .9831 .9713 .9887 .9520 .9717 <.0000 .9500 SDev .0079 .0036 .0053 .0056 .0032 .5448 ,0177 %RSD .7993 .3742 .5394 .5919 .3311 43.70 1,865
#1 .9825 .9716 .9930 .9493 .9756 <.0000 .9763 #2 .9928 .9753 .9935 .9601 .9725 <.0000 .9413 #3 .9834 .9665 .9851 .9515 .9679 <.0000 .9381 #4 .9736 .9720 .9831 .9472 .9710 <.0000 .9445
Elem Mn2576 MO2020 Na5889 Ni2316 Pb2203 Sb2068 Sel960 Avge .9715 .9514 1.028 .9678 .9329 .9237 <.0000 SDev .0064 .0075 .032 .0061 .0278 .0360 .0419 %RSD . 6543 .7853 3.145 .6279 2.981 3.898 99.80
#1 .9711 .9425 .9860 .9647 .9665 .8851 <.0000 #2 .9788 .9603 1.031 .9768 .8992 .9280 <.0000 #3 .9727 .9492 1.065 .9637 .9276 .9109 .0106 #4 .9634 .9536 1.031 .9658 .9382 .9708 <.0000
Elem Si2881 T11908 V_2924 Zn2138 Avge 1.019 .9923 .9842 .9910 SDev .016 .0914 .0037 .0062 %RSD 1.611 9.207 .3740 .6294
#1 1.039 1,003 .9851 .9973 #2 1.024 .9193 .9851 .9950 #3 1.015 1.118 .9877 .9875 #4 .9998 .9297 .9790 .9840
NYC-WTC_000064308
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NYC-WTC_000064308Source: 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