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 11:32:15 AM page 1
*lethod: lECW Sample Name: Ifb Operator: it ^un Time: 09/27/01 11:27:00 ::omment: docle: CONC Corr. Factor: 1
Elem Ag3280 A13082 AS1936 B_2496 Ba4934 Be3130 Ca3179 Avge .0018 .2277 .2948 .2624 .2447 .0489 .0078 SDev .0050 .0343 .0069 .0014 .0010 ,0003 .0067 %RSD 272.7 15.05 2.327 .5391 .3964 .6474 86.67
#1 <.0000 .1824 .2893 .2613 .2439 .0486 <.0000 #2 .0023 .2436 .2988 .2643 .2456 .0494 .0106 #3 .0070 .2622 .3024 .2628 .2439 .0488 .0150 #4 .0030 .2223 .2887 .2613 .2456 .0488 .0062
Elem Cd2288 CO2286 Cr2677 CU3247 Fe2599 K_7664 Mg2790 Avge .1027 . 1018 .2514 .2640 .2597 <.0000 <.0000 SDev .0024 .0051 .0027 .0025 .0065 1.809 .0299 %RSD 2.366 4.995 1.088 .9592 2.496 71.36 75.81
#1 . 1013 .0944 .2496 .2605 .2508 <.0000 <.0000 #2 . 1062 .1055 .2555 .2658 .2662 <.0000 <.0000 #3 . 1008 . 1047 .2506 .2658 .2600 <.0000 <.0000 #4 . 1026 . 1026 .2501 .2637 .2616 <.0000 <.0000
Elem Mn2576 Mo2020 Na5889 Ni2316 Pb2203 Sb2068 Sel960 Avge .2494 . 1068 <.0000 .2469 .2310 .2294 .2002 SDev .0020 .0021 .0441 .0091 .0441 .0283 .0448 %RSD .8140 1.973 144.8 3.693 19.08 12.35 22.39
#1 .2465 . 1052 <.0000 .2341 . 1937 .1929 . 1887 #2 .2503 . 1096 <.0000 .2472 .2470 .2358 .2354 #3 .2496 . 1073 <.0000 .2549 .2861 .2615 .2353 #4 .2511 . 1051 <.0000 .2516 . 1972 .2272 . 1416
Elem 312881 T11908 V_2924 Zn2138 Avge .2390 .3094 .0961 .2546 SDev .0248 . 0944 .0031 .0012 %RSD 10.36 30.50 3.245 .4581
#1 .2085 .2991 .0933 .2531 #2 .2475 .4040 .0968 .2559 #3 .2329 . 1833 . 1002 .2551 #4 .2672 .3515 .0941 .2543
NYC-WTC_000064295
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NYC-WTC_000064295Source: 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