Pyrethroids by GCMS-NCI-SIM
updated December 2018

Waters
Analyte RL MDL Units
Allethrin 0.5 0.1 ng/L
Bifenthrin 0.5 0.1 ng/L
Cyfluthrin 0.5 0.2 ng/L
Lambda-Cyhalothrin 0.5 0.2 ng/L
Cypermethrin 0.5 0.2 ng/L
Deltamethrin:Tralomethrin 1 0.2 ng/L
Esfenvalerate:Fenvalerate 1 0.2 ng/L
Fenpropathrin 0.5 0.2 ng/L
Tau-Fluvalinate 0.5 0.2 ng/L
Permethrin 5 2 ng/L
Tetramethrin 0.5 0.2 ng/L
Sediments
Analyte RL* MDL Units
Allethrin 0.33 0.05 ug/kg(ng/g)
Bifenthrin 0.33 0.1 ug/kg(ng/g)
Cyfluthrin 0.33 0.11 ug/kg(ng/g)
Lambda-Cyhalothrin 0.33 0.06 ug/kg(ng/g)
Cypermethrin 0.33 0.1 ug/kg(ng/g)
Deltamethrin:Tralomethrin 0.33 0.12 ug/kg(ng/g)
Esfenvalerate:Fenvalerate 0.33 0.13 ug/kg(ng/g)
Fenpropathrin 0.33 0.07 ug/kg(ng/g)
Tau-Fluvalinate 0.33 0.04 ug/kg(ng/g)
Permethrin 0.33 0.11 ug/kg(ng/g)
Tetramethrin 0.33 0.06 ug/kg(ng/g)
Optional compounds
Analyte RL MDL Units
Chlorpyrifos 1 0.5 ng/L
Diazinon 0.5 0.1 ng/L
Optional compounds
Analyte RL* MDL Units
Chlorpyrifos 0.33 0.12 ug/kg(ng/g)
Diazinon 0.33 0.09 ug/kg(ng/g)
* Sediments RL is a wet weight value.
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