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 11:59:28 AM page 1
Method: IECW Sample Name: 23472 Operator: it Run Time: 09/27/01 11:57:44 Comment: Mode: CONC Corr. Factor: 1
Elem Ag3280 A13082 AS1936 B_2496 Ba4934 Be3130 Ca3179 Avge <.0000 <.0000 .0448 .0024 .0121 <.0000 5.498 SDev .0032 .0284 .0391 .0021 .0010 .0001 .021 %RSD 39.53 49.07 87.13 88.94 8.022 54.71 .3808
#1 <.0000 <.0000 .1005 .0022 .0129 <.0000 5.492 #2 <.0000 <.0000 .0298 .0022 .0112 <.0000 5.500 #3 <.0000 <.0000 .0392 <.0000 .0112 <.0000 5.475 #4 <.0000 <.0000 .0099 .0052 .0129 <.0000 5.525
Elem Cd2288 CO2286 Cr2677 CU3247 Fe2599 K_7664 Mg2790 Avge <.0000 <.0000 <.0000 <.0000 .0135 <.0000 1.072 SDev .0026 .0031 .0018 .0026 .0019 .9408 .034 %RSD 132.6 56.08 34.68 42.31 14.32 48.39 3.182
#1 <.0000 <.0000 <.0000 <.0000 .0131 <.0000 1.083 #2 <.0000 <.0000 <.0000 <.0000 .0131 <.0000 1.045 #3 <.0000 <.0000 <.0000 <,0000 .0116 <.0000 1.045 #4 .0015 <.0000 <.0000 <.0000 .0162 <.0000 1.115
Elem Mn2576 Mo2020 Na5889 Ni2316 Pb2203 Sb2068 Sel960 Avge .0217 <.0000 3.633 <.0000 <.0000 <.0000 <.0000 SDev .0010 .0040 .042 .0078 .0384 ,0258 .0400 %RSD 4.471 120.0 1.149 167.6 206.1 99.89 78.20
#1 .0231 .0011 3.678 <.0000 <.0000 <.0000 <.0000 #2 .0208 <.0000 3.632 <.0000 <.0000 <.0000 <.0000 #3 .0215 <.0000 3.577 <.0000 <.0000 <.0000 <.0000 #4 .0215 <.0000 3.644 .0063 .0302 <.0000 .0015
Elem Si2881 T11908 V_2924 Zn2138 Avge .6119 .0245 <,0000 .0006 SDev .0073 .0819 .0031 .0008 %RSD 1.192 333.8 52.76 122.5
#1 .6180 <.0000 <.0000 .0012 #2 .6083 <.0000 <.0000 .0004 #3 .6034 .0982 <.0000 <.0000 #4 .6180 .0875 <,0000 .0012
NYC-WTC_000064299
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NYC-WTC_000064299Source: 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