Lab report: Potassium analysis, Sept 2001

NYC 9/11 Public Portal Document

Element: K Seq. No.: 48 AS Log.: Date: 09/18/2001 San^le ID: QCS

Repl SampleCono StndConG BlnkCorr Time # Mg/L Signal 1 503.6 503.6 0.127 10:35:54 2 509.2 509.2 0.128 10:36:01 3 506.4 506.4 0.127 10:36:09 4 508.8 508.8 0.128 10:36:16 Mean: 507.0 507.0 0.127 SD : 2.550 2.550 0.001 %RSD: 0.50 0.50 0.47

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Element: K Seq. No.: 49 AS Log.: Date: 09/18/2001 San^jle ID: 55,-42—

Repl SampleCono StndCono BlnkCorr Time # #g/L Mg/L Signal 1 -31.42 -31.42 0.001 10:39:57 2 -29.36 -29.36 0.002 10:40:04 3 -27.79 -27.79 0.002 10:40:11 4 -23.04 -23.04 0.003 10:40:18 Mean: -27.90 -27.90 0.002 SD : 3.568 3.568 0.001 %RSD: 12.79 12.79 38.50

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Element: K Seq. No.: 50 AS Log.; Date: 09/18/2001 Sample ID: 55,42 dup

Repl SampleConc StndConG BlnkCorr Time # Mg/i* Fg/i* Signal 1 -21.98 -21.98 0.004 10:40:39 2 -21.93 -21.93 0.004 10:40:47 3 -22.31 -22.31 0.003 10:40:54 4 -23.07 -23.07 0.003 10:41:01 Mean: -22.32 -22.32 0.003 SD : 0.5272 0.5272 0.000 %RSD: 2.36 2.36 3.55

= = = t= = = = = = = =3a = = = = = = = = = = = = = = = =S = a: = = = t3 = = = =I = = = a = S=S5 = = = = SZl== = = = = = =! = = = = t= = = =S = = = = t= = = = S= = = CZ = = =!SS = = =!=J=!

Element: K Seq. No.: 51 AS Log.: - Date: 09/18/2001 Sairple ID: 56,43

Repl San^leCono StndConG BlnkCorr Time # gg/L /tg/L Signal 1 -28.00 -28.00 0.002 10:42:38 2 -26.32 -26.32 0.003 10:42:46 3 -27.39 -27.39 0.002 10:42:53 4 -27.79 -27.79 0.002 10:43:00 Mean: -27.37 -27.37 0.002 SD : 0.7483 0.7483 0.000 %RSD: 2.73 2.73 7.64

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