Expanded Target List and Lower Dectection Levels for Pyrethroid Pesticides

Jul 13

Written by:
7/13/2010 4:24 PM  RssIcon

Pyrethroids_Water GCMS-SIM in Water (GC/MS NCI-SIM)

  • Preservation:  <6°C
  • Hold Time:  21 days
  • Container:  1 L Amber Glass
  • Amount Required:  2000 ml
Analyte MDL Reporting

Limit
Surrogate

% R
Duplicate

RPD
Matrix Spike Blank Spike / LCS
% R RPD % R RPD
surr: Triphenyl phosphate     70 - 130          
Allethrin 0.85 2.0 ng/l       48 - 156 30 48 - 156 30
Bifenthrin 0.79 2.0 ng/l       25 - 191 30 25 - 191 30
Cyfluthrin 0.83 2.0 ng/l       37 - 169 30 37 - 169 30
Cypermethrin 0.66 2.0 ng/l       29 - 178 30 29 - 178 30
Deltamethrin/Tralomethrin 1.9 2.0 ng/l       35 - 137 30 35 - 137 30
Dichloran 0.8 2.0 ng/l       53 - 164 30 53 - 164 30
Esfenvalerate 0.98 2.0 ng/l              
Fenvalerate 0.98 2.0 ng/l       31 - 178 30 31 - 178 30
L-Cyhalothrin 1.2 2.0 ng/l       38 - 182 30 38 - 182 30
Pendimethalin 0.5 2.0 ng/l       52 - 145 30 52 - 145 30
Permethrin 5 5.0 ng/l       59 - 148 30 59 - 148 30
Prallethrin 0.92 2.0 ng/l       54 - 148 30 54 - 148 30
Sumithrin 2.4 10 ng/l       56 - 146 30 56 - 146 30
Tefluthrin 0.93 2.0 ng/l       38 - 195 30 38 - 195 30

 

Pyrethroids_Solid GCMS-SIM in Soil (GC/MS NCI-SIM)

  • Preservation:  <6°C
  • Hold Time:  21 days
  • Container:  4 oz. Jar
  • Amount Required:  100 g
Analyte MDL Reporting

Limit
Surrogate

% R
Duplicate

RPD
Matrix Spike Blank Spike / LCS
% R RPD % R RPD
surr: Triphenyl phosphate     70 - 130          
Allethrin 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30
Bifenthrin 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30
Cyfluthrin 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30
Cypermethrin 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30
Deltamethrin/Tralomethrin 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30
Dichloran 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30
Esfenvalerate 0.5 0.50 ug/kg     30 - 200 30 50 - 150 30
Fenvalerate 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30
L-Cyhalothrin 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30
Pendimethalin 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30
Permethrin 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30
Prallethrin 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30
Sumithrin 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30
Tefluthrin 0.5 0.50 ug/kg       30 - 200 30 50 - 150 30

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