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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NYC 9/11 Public Portal Document
Analysis Report 09/27/01 11:38:42 AM page 1
Method: IECW Sample Name: 23471 Operator: it Run Time: 09/27/01 11:36:57 Domment: 'lode: CONC Corr. Factor: 1
Elem Ag3280 A13082 AS1936 8_2496 Ba4934 Be3130 Ca3179 Avge <-0000 <.0000 .0199 .0031 .0154 <.0000 5.475 SDev .0016 -0278 .0117 .0009 .0010 .0000 .017 %RSD 38.83 86-95 58.66 28.29 6.301 40.00 .3023
#1 <-0000 <.0000 .0251 .0022 .0146 <.0000 5.472 #2 <.0000 <-0000 .0258 .0037 .0163 <.0000 5.471 #3 <.0000 <-0000 .0024 .0026 .0146 <.0000 5.497 #4 <.0000 <.0000 .0264 .0041 .0163 <.0000 5.458
Elem Cd2288 CO2286 Cr2677 CU3247 Fe2599 K_7664 Mg2790 Avge <.0000 <.0000 .0007 <.0000 .0139 <.0000 1.137 SDev .0013 .0009 .0027 .0018 .0048 .5691 .017 %RSD 121.0 44.28 406.8 76.88 34.68 58.08 1.501
#1 <.0000 <.0000 .0019 <.0000 .0131 <.0000 1.150 #2 <.0000 <.0000 <.0000 <.0000 .0100 <.0000 1.150 #3 <.0000 <.0000 <.0000 <.0000 .0116 <.0000 1.131 #4 .0006 <-0000 .0039 <.0000 .0209 <.0000 1.115
Elem Mn2576 MO2020 Na5889 Ni2316 Pb2203 Sb2068 Sel960 Avge .0260 .0060 3.735 <.0000 .0000 <.0000 <.0000 SDev .0004 .0046 .057 .0043 .0210 .0257 .0174 %RSD 1.486 75.72 1.535 42.31 237000. 108.3 33.97
#1 .0262 .0010 3.705 <.0000 <.0000 <.0000 <.0000 #2 .0262 .0099 3.668 <.0000 .0160 <-0000 <.0000 #3 .0262 .0033 3.784 <.0000 <.0000 .0043 <.0000 #4 .0254 .0099 3.781 <.oooo .0196 <.0000 <.0000
Elem Si2881 T11908 V_2924 Zn2138 Avge .6694 .0323 <.0000 .0024 SDev .0181 .0694 .0016 .0010 %RSD 2.706 214.9 57.14 40.49
#1 .6816 .0454 <-0000 .0020 #2 .6767 <.0000 <.0000 .0032 #3 .6424 .0349 <.0000 .0012 #4 .6768 . 1085 <.0000 .0032
NYC-WTC_000064297
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NYC-WTC_000064297Source: 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