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 / 17 pages
Mercury sample ID label, Sept 2001
Machine-extracted title · confidence 90%Document page containing a unique identifier code for a mercury environmental sample collected in September 2001.
NYC-WTC_000064356–000064372Folder 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 09/25/01 02:22:09 PM page 1
Method: IECW Sample Name: ipc Operator: it Run Time: 09/25/01 14:20:25 Comment: Mode: CONC Corr. Factor: 1
Elem Ag3280 A13082 AS1936 8_2496 8a4934 Be3130 Ca3179 Avge .5041 1.019 <.0000 .9753 .9678 .9757 .9857 SDev .0012 .005 .0075 .0072 .0019 .0011 .0008 %RSD .2384 .4677 348.0 .7399 .1959 .1178 .0835
41 .5034 1.024 <.0000 .9661 .9661 .9744 .9846 #2 .5047 1.020 .0072 .9733 ,9694 .9756 .9854 #3 .5054 1.016 <.0000 .9821 .9661 ,9772 .9863 #4 .5027 1.014 <.0000 .9799 .9694 .9759 .9863
Elem Cd2288 CO2286 Cr2677 CU3247 Fe2599 K_7664 Mg2790 Avge .9775 ,9765 .9838 .9539 1.009 <.0000 .9525 SDev .0076 ,0027 .0047 .0022 .006 .2847 .0167 %RSD .7748 ,2754 .4801 .2311 .5459 58.07 1.756
#1 .9756 .9732 .9810 .9545 1.002 <.0000 .9304 #2 .9717 .9797 .9848 .9513 1.013 <.0000 .9683 #3 .9743 .9763 .9795 .9534 1.014 <.0000 .9620 #4 .9886 .9769 .9901 .9566 1.008 <.0000 .9493
Elem Mn2576 MO2020 Na5889 Ni2316 Pb2203 Sb2068 Sei960 Avge .9710 .9353 1.012 1.004 .9310 ,8315 .0281 SDev ,0015 .0076 .033 .008 .0266 .0359 .0229 %RSD .1551 .8074 3.259 .7717 2.852 4.316 81.43
#1 .9702 .9325 .9823 1.004 .9499 .7977 .0262 #2 .9732 .9259 .9943 .9983 .9018 .8231 .0410 #3 .9702 .9414 1.057 .9983 .9567 .8231 .0484 #4 .9702 .9414 1.015 1.015 .9155 .8823 <.0000
Elem Si2881 T11908 V_2924 Zn2138 Avge 1.027 .9357 .9823 .9846 SDev .004 .0669 .0027 .0015 %RSD .3854 7.151 .2778 .1548
4tl 1.027 .8456 .9803 .9838 #2 1.026 .9691 .9795 .9834 #3 1.022 1.000 .9846 .9868 #4 1.031 .9280 .9846 .9845
>• Eg NYC-WTC_000064357
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NYC-WTC_000064357Source: 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.
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NYC-WTC_000064250
Laboratory data entry form recording quality assurance and control results for arsenic analysis batches on September 28, 2001.
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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