NYC 9/11 Public Portal Document
illemerit: K Seq. No.: 47 AS Loc.: Date: 10/09/2001
, S^mp:^e ID: 24472
Repl San^jleConc StndConc BlnkCorr Time
# Mg/i- gg/L Signal
1 429.4 429.4 0.041 10:48:17
2 559.4 559.4 0.052 10:48:25
3 544.7 544.7 0.051 10:48:32
4 520.8 520.8 0.049 10:48:39
Mean: 51 513.6 0.048
SD : 58.34 0.005
%RSD: T16 11.36 10.77
= SSSBSSSSSS = SSSS3SaSS SBSSSaSB: :SS8SSSSS
Element: K Sej. No. : 48 AS Loc.: Date: 10/09/2001
Sample ID: 24472
Repl SampleConc StndConc BlnkCorr Time
# Mg/L pg/L Signal
1 520.1 520.1 0.049 10:48:51
2 537.7 537.7 0.050 10:48:58
3 516.5 / 516.5 0.048 10:49:05
4 5,-, 508.4 0.048 10:49:12
Mean: 520. 520.7 0.049
SD : .37 12.37 0.001
%RSD: 2.38 2.38 2.26
Element: K Seq. No.: 49 AS Loc.: Date: 10/09/2001
Sample ID: 24473
Repl SampleConc StndConc BlnkCorr Time
# Aig/L /tg/L Signal
1 498.7 498.7 0.047 10:49:40
2 499.9 499.9 0.047 10:49:47
3 500.5 500.5 0.047 10:49:54
4 478.0 0.045 10:50:01
Mean: 494.3 0.046
SD : io7b9-^ 10.89 0.001
%RSD: 2.20 2.20 2.08
Element: K Seq. No.: 50 AS Loc.: Date: 10/09/2001
Sample ID: QCS
Repl SampleConc StndConc BlnkCorr Time
# /ig/L Signal
1 534.8 434.8 0.050 10:50:37
2 511.2 B11.2 0.048 10:50:44
3 493.8 k93.8 0.046 10:50:51
4 ,517.0 —1517.0 0.048 10:50:59
Mean: 514.2 \/514.2 0.048
SD : 16.93 0.002
%RSD: 3.29 3.29 3.12
Page 9
NYC-WTC_000065208
OCR can misread numbers and units. Confirm readings against the page image before using them.