Carbaryl, Carbofuran, and Methomyl - National Marine Fisheries ...

Figure 27. MCR Steelhead distribution. ........................................................................ 158
Figure 28. Northern California Steelhead distribution.. ................................................ 163
Figure 29. Puget Sound steelhead distribution. ............................................................. 166
Figure 30. SR Basin Steelhead distribution.. ................................................................. 169
Figure 31. S-CCC steelhead distribution.. ..................................................................... 173
Figure 32. Southern California steelhead distribution.. ................................................. 175
Figure 33. UCR Steelhead distribution.......................................................................... 179
Figure 34. UWR Steelhead distribution......................................................................... 183
Figure 35. Exposure analysis ......................................................................................... 268
Figure 36. Chemical structures of carbaryl, carbofuran, and methomyl. ...................... 268
Figure 37. Response analysis......................................................................................... 312
Figure 38. Schematic of the Risk Characterization Phase ............................................. 363
Figure 39. Carbaryl exposure concentrations and salmonid assessment endpoints’ effect
concentrations in µg/L .................................................................................................... 366
Figure 40. Carbofuran exposure concentrations and salmonid assessment endpoints’
effect concentrations in µg/L .......................................................................................... 367
Figure 41. Methomyl exposure concentrations and salmonid assessment endpoints’
effect concentrations in µg/L .......................................................................................... 369
Figure 42. Percent AChE inhibition (A.) and percent mortality (B.) for salmonids
expected from exposure to carbaryl (Cl), carbofuran (Cn), and methomyl (M) as separate
constituents and as mixtures. .......................................................................................... 386
Figure 43. Probability plot for each pesticide showing the distribution of the geometric
means of the EC50s for each aquatic invertebrate species. ............................................ 411
Figure 44. Percent change in lambda for Ocean-type Chinook salmon following 4 d, 21
d, and 60 d exposures to carbaryl, carbofuran, and methomyl. ...................................... 416
Figure 45. Percent change in lambda for Stream-type Chinook salmon following 4 d, 21
d, and 60 d exposures to carbaryl, carbofuran, and methomyl. ...................................... 417
Figure 46. Percent change in lambda for Coho salmon following 4 d, 21 d, and 60 d
exposures to carbaryl, carbofuran, and methomyl.......................................................... 417
Figure 47. Percent change in lambda for sockeye salmon following 4 d, 21 d, and 60 d
exposures to carbaryl, carbofuran, methomyl................................................................. 418
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