Detection frequency (%)a | ng/cm2 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Insecticide | N | MDLb | Meanc | SEMd | Median | Max | GMe | GSDf | ||
0.5 m Floor | Fipronil | 21 | 0 | 1.077 | – | – | <MDL | <MDL | – | – |
PBOg | 21 | 100 | 0.192 | 3.655 | 0.959 | 2.021 | 17.025 | 2.018 | 32.455 | |
Tetramethrin | 21 | 10 | 0.133 | – | – | <MDL | 3.517 | – | – | |
Permethrin | 21 | 90 | 0.211 | 3.001 | 0.735 | 1.253 | 10.939 | 1.609 | 33.272 | |
Cypermethrin | 21 | 86 | 0.625 | 10.866 | 2.496 | 7.165 | 47.742 | 6.290 | 33.816 | |
1.0 m Floor | Fipronil | 22 | 0 | 1.077 | – | – | <MDL | <MDL | – | – |
PBO | 22 | 100 | 0.192 | 3.214 | 0.693 | 2.518 | 12.292 | 1.959 | 29.281 | |
Tetramethrin | 22 | 18 | 0.133 | – | – | <MDL | 25.694 | – | – | |
Permethrin | 22 | 95 | 0.211 | 2.840 | 0.731 | 1.628 | 15.629 | 1.683 | 29.225 | |
Cypermethrin | 22 | 95 | 0.625 | 10.559 | 1.559 | 8.950 | 24.866 | 7.945 | 24.013 | |
Counter | Fipronil | 22 | 0 | 1.077 | – | – | <MDL | <MDL | – | – |
PBO | 22 | 77 | 0.192 | 0.749 | 0.133 | 0.666 | 2.746 | 0.588 | 21.730 | |
Tetramethrin | 22 | 14 | 0.133 | – | – | <MDL | 18.458 | – | – | |
Permethrin | 22 | 95 | 0.211 | 0.807 | 0.182 | 0.497 | 3.529 | 0.603 | 20.309 | |
Cypermethrin | 22 | 82 | 0.625 | 18.726 | 7.085 | 5.132 | 148.070 | 5.979 | 49.307 | |
Cabinet | Fipronil | 21 | 0 | 1.077 | – | – | <MDL | <MDL | – | – |
PBO | 21 | 71 | 0.192 | 19.587 | 17.007 | 1.170 | 359.082 | 1.186 | 68.703 | |
Tetramethrin | 21 | 38 | 0.133 | – | – | <MDL | 232.830 | – | – | |
Permethrin | 21 | 90 | 0.211 | 11.737 | 3.906 | 1.645 | 65.268 | 2.786 | 65.997 | |
Cypermethrin | 21 | 67 | 0.625 | 28.370 | 9.804 | 6.146 | 150.993 | 6.138 | 76.229 | |
Wall | Fipronil | 22 | 0 | 1.077 | – | – | <MDL | <MDL | – | – |
PBO | 22 | 95 | 0.192 | 18.750 | 11.500 | 1.562 | 253.616 | 2.717 | 61.764 | |
Tetramethrin | 22 | 36 | 0.133 | – | – | <MDL | 190.180 | – | – | |
Permethrin | 22 | 86 | 0.211 | 36.059 | 26.211 | 2.075 | 576.275 | 3.089 | 72.837 | |
Cypermethrin | 22 | 64 | 0.625 | 24.946 | 8.328 | 5.833 | 133.071 | 5.910 | 72.920 |