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Table B20. Analyses (ng/g [ppb] wet weight) of spiked replicates of summer flounder muscle for determination of the method detection limit (MDL) for pesticides
 
Hexa-
chloro-
benzene
Lindane
Hepta-
chlor
Aldrin
Octa-
chloro-
styrene

Hepta-
chlor
epoxide

Oxy-
chlor-
dane
o,p'-
DDE

-chlor-
dane
trans-
nona-
chlor
p,p'-
DDE
Endrin
p,p'-
DDD
o,p'-
DDT
p,p'-
DDT
Photo-
mirex
Mirex
Replicate 1 6.27 2.59 6.18 7.13 7.17 6.01 3.82 11.5 8.82 8.33 16.1 10.6 6.24 6.92 5.68 8.07 7.71
Replicate 2 6.27 2.08 5.98 7.02 6.87 7.12 4.72 10.7 8.14 7.81 15.4 9.35 5.96 6.16 4.61 7.85 7.79
Replicate 3 6.31 2.55 6.24 7.68 6.52 7.06 4.72 10.1 7.85 7.55 14.1 9.08 6.06 6.31 5.56 7.57 7.51
Replicate 4 5.29 2.30 5.43 6.04 6.67 6.9 4.50 10.3 7.93 7.79 14.5 9.22 5.99 6.30 5.70 7.78 7.52
Replicate 5 6.32 2.60 6.39 7.81 6.64 7.28 4.79 10.2 7.77 7.52 14.0 9.06 6.06 5.77 5.31 7.56 7.83
Replicate 6 5.66 1.80 5.70 6.84 6.23 6.82 4.18 10.1 7.48 7.29 14.7 8.68 4.76 5.20 4.27 7.56 7.90
Replicate 7 6.41 1.67 5.55 8.18 6.08 4.86 3.15 9.92 7.78 8.14 15.4 7.16 4.93 4.93 3.60 9.06 9.21
Mean 6.08 2.23 5.92 7.24 6.60 6.58 4.27 10.4 7.97 7.78 14.9 9.03 5.71 5.94 4.96 7.92 7.92
Std. dev. 0.43 0.38 0.37 0.71 0.37 0.87 0.60 0.55 0.42 0.36 0.77 1.03 0.60 0.69 0.82 0.54 0.59
RSD (%) 7.1 17 6.2 9.9 5.6 13 14 5.2 5.3 4.7 5.2 11 11 12 16 6.8 7.4
 
MDLa 1.3 1.2 1.2 2.2 1.2 2.7 1.9 1.7 1.3 1.1 2.4 3.2 1.9 2.2 2.6 1.7 1.8

aMDL t, where = standard deviation and t =Student's "t" value of 3.143 with n-1 degrees of freedom and = 0.01 (one tailed).

Table B21

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(Modified Jun. 13 2008)