| Table B25a. Instrumental detection limit (IDL) and estimated
method detection limit (EMDL) for low-molecular-weight PAH analytes |
| |
Naph-
thalene |
2-methyl-
naph-
thalene |
1-methyl-
naph-
thalene
|
Biphenyl |
2,6-
dimethyl-
naph-
thalene |
Acenaph-
thylene |
Acenaph-
thene |
2,3,5-
trimethyl-
naph-
thalene |
Fluorene |
Phen-
anthrene |
Anthra-
cene |
1-methyl-
phenan-
threne |
| Concentration of Solvent Spiked at
Low Levels (ng/L) |
| Replicate 1 |
0.211 |
0.227 |
0.204 |
0.220 |
0.227 |
0.202 |
0.222 |
0.201 |
0.222 |
0.211 |
0.153 |
0.196 |
| Replicate 2 |
0.224 |
0.229 |
0.221 |
0.242 |
0.247 |
0.215 |
0.230 |
0.201 |
0.218 |
0.224 |
0.170 |
0.221 |
| Replicate 3 |
0.220 |
0.204 |
0.222 |
0.213 |
0.248 |
0.226 |
0.249 |
0.182 |
0.226 |
0.216 |
0.168 |
0.215 |
| Replicate 4 |
0.222 |
0.214 |
0.207 |
0.218 |
0.252 |
0.220 |
0.241 |
0.194 |
0.240 |
0.222 |
0.172 |
0.216 |
| Replicate 5 |
0.216 |
0.215 |
0.205 |
0.215 |
0.244 |
0.223 |
0.231 |
0.203 |
0.220 |
0.215 |
0.179 |
0.212 |
| Replicate 6 |
0.222 |
0.213 |
0.211 |
0.210 |
0.219 |
0.212 |
0.231 |
0.193 |
0.233 |
0.228 |
0.188 |
0.221 |
| Replicate 7 |
0.235 |
0.220 |
0.220 |
0.220 |
0.238 |
0.237 |
0.263 |
0.181 |
0.238 |
0.223 |
0.180 |
0.216 |
| Mean |
0.221 |
0.217 |
0.213 |
0.220 |
0.239 |
0.219 |
0.238 |
0.193 |
0.228 |
0.220 |
0.173 |
0.214 |
| Std. dev. |
0.007 |
0.009 |
0.008 |
0.010 |
0.012 |
0.011 |
0.014 |
0.009 |
0.009 |
0.006 |
0.011 |
0.008 |
| RSD (%) |
3.4 |
4.1 |
3.8 |
4.7 |
5.1 |
5.1 |
5.8 |
4.7 |
4.0 |
2.8 |
6.6 |
3.9 |
| |
| IDLa |
0.023 |
0.028 |
0.025 |
0.033 |
0.038 |
0.035 |
0.044 |
0.028 |
0.029 |
0.019 |
0.036 |
0.026 |
|
Corresponding Concentration in a Typical Tissue
(ng/g wet weight)b |
| Mean |
5.53 |
5.44 |
5.32 |
5.50 |
5.98 |
5.48 |
5.95 |
4.84 |
5.71 |
5.50 |
4.32 |
5.35 |
| Std. dev. |
0.185 |
0.222 |
0.202 |
0.259 |
0.304 |
0.277 |
0.348 |
0.226 |
0.227 |
0.153 |
0.284 |
0.207 |
| RSD (%) |
3.4 |
4.1 |
3.8 |
4.7 |
5.1 |
5.1 |
5.8 |
4.7 |
4.0 |
2.8 |
6.6 |
3.9 |
| |
| EMDLc |
0.58 |
0.70 |
0.64 |
0.81 |
0.96 |
0.87 |
1.1 |
0.71 |
0.71 |
0.48 |
0.89 |
0.65 |
aInstrumental detection limit is based on
3.143 times the standard deviation of seven replicate measurements.
bAssumed 10g wet weight of muscle tissue, 50% recovery in
the extraction and cleanup steps, 250 L final sample volume, and 1 L
sample injection volume.
cEstimated method detection limit is based on 3.143 times
the standard deviation of a typical tissue. |
Table B25b. Instrumental detection
limit (IDL) and estimated method detection limit (EMDL) for high-molecular-weight
PAH analytes |
| |
Fluor-
anthene |
Pyrene |
Benz[a]-
anthra-
cene
|
Chrysene |
Benzo[b]-
fluoran-
thene |
Benzo[k]-
fluoran-
thene |
Benzo[e]-
pyrene |
Benzo[a]-
pyrene |
Perylene |
Indeno-
[1,2,3-
cd]-
pyrene |
Dibenz-
[a,h]-
anthra-
cene |
Benzo-
[ghi]-
perylene |
| Concentration of Solvent Spiked at
Low Levels (ng/L) |
| Replicate 1 |
0.198 |
0.225 |
0.183 |
0.209 |
0.213 |
0.215 |
0.218 |
0.203 |
0.168 |
0.196 |
0.182 |
0.208 |
| Replicate 2 |
0.228 |
0.217 |
0.191 |
0.228 |
0.223 |
0.220 |
0.224 |
0.207 |
0.176 |
0.205 |
0.194 |
0.204 |
| Replicate 3 |
0.226 |
0.223 |
0.194 |
0.222 |
0.221 |
0.224 |
0.236 |
0.234 |
0.186 |
0.218 |
0.180 |
0.205 |
| Replicate 4 |
0.224 |
0.220 |
0.186 |
0.220 |
0.226 |
0.229 |
0.230 |
0.213 |
0.175 |
0.206 |
0.163 |
0.202 |
| Replicate 5 |
0.243 |
0.232 |
0.201 |
0.225 |
0.239 |
0.238 |
0.240 |
0.218 |
0.185 |
0.208 |
0.202 |
0.199 |
| Replicate 6 |
0.245 |
0.232 |
0.204 |
0.240 |
0.239 |
0.237 |
0.241 |
0.220 |
0.185 |
0.212 |
0.174 |
0.198 |
| Replicate 7 |
0.228 |
0.227 |
0.190 |
0.220 |
0.211 |
0.213 |
0.221 |
0.205 |
0.166 |
0.194 |
0.162 |
0.197 |
| Mean |
0.227 |
0.225 |
0.193 |
0.223 |
0.225 |
0.225 |
0.230 |
0.214 |
0.177 |
0.206 |
0.180 |
0.202 |
| Std. dev. |
0.015 |
0.006 |
0.008 |
0.010 |
0.011 |
0.010 |
0.009 |
0.011 |
0.008 |
0.008 |
0.015 |
0.004 |
| RSD (%) |
6.8 |
2.5 |
4.1 |
4.3 |
5.0 |
4.4 |
4.0 |
5.1 |
4.8 |
4.0 |
8.3 |
2.0 |
| |
| IDLa |
0.049 |
0.018 |
0.025 |
0.030 |
0.035 |
0.031 |
0.029 |
0.034 |
0.027 |
0.026 |
0.047 |
0.013 |
| Corresponding Concentration
in a Typical Tissue (ng/g wet weight)b |
| Mean |
5.68 |
5.63 |
4.82 |
5.58 |
5.61 |
5.63 |
5.75 |
5.36 |
4.44 |
5.14 |
4.49 |
5.05 |
| Std. dev. |
0.386 |
0.143 |
0.196 |
0.238 |
0.278 |
0.249 |
0.231 |
0.271 |
0.212 |
0.206 |
0.372 |
0.102 |
| RSD (%) |
6.8 |
2.5 |
4.1 |
4.3 |
5.0 |
4.4 |
4.0 |
5.1 |
4.8 |
4.0 |
8.3 |
2.0 |
| |
| EMDLc |
1.2 |
0.45 |
0.62 |
0.75 |
0.87 |
0.78 |
0.73 |
0.85 |
0.67 |
0.65 |
1.2 |
0.32 |
aInstrumental detection limit is based on
3.143 times the standard deviation of seven replicate measurements.
bAssumed 10g wet weight of muscle tissue, 50% recovery in
the extraction and cleanup steps, 250 L final sample volume, and 1 L
sample injection volume.
cEstimated method detection limit is based on 3.143 times
the standard deviation of a typical tissue. |