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

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Table 16. LCR Coho salmon populations, abundances, and hatchery contributions (Good, Waples et al. 2005). ............................................................................................ 121 Table 17. Oregon Coast Coho salmon populations, abundances, and hatchery contributions (Good, Waples et al. 2005). ...................................................................... 128 Table 18. CCC Steelhead salmon populations, abundances, and hatchery contributions (Good, Waples et al. 2005). ............................................................................................ 145 Table 19. LCR Steelhead salmon populations, abundances, and hatchery contributions (Good, Waples et al. 2005). ............................................................................................ 154 Table 20. MCR Steelhead salmon populations, abundances, and hatchery contributions (Good, Waples et al. 2005). ............................................................................................ 157 Table 21. Northern California Steelhead salmon populations, abundances, and hatchery contributions (Good, Waples et al. 2005). ...................................................................... 162 Table 22. SR Basin Steelhead salmon populations, abundances, and hatchery contributions (Good, Waples et al. 2005).. ..................................................................... 168 Table 23. Southern California Steelhead salmon populations, abundances, and hatchery contributions (Good, Waples et al. 2005). ...................................................................... 176 Table 24. UCR Steelhead salmon populations, abundances, and hatchery contributions (Good, Waples et al. 2005). ............................................................................................ 178 Table 25. UWR Steelhead salmon populations, abundances, and hatchery contributions (Good, Waples et al. 2005).. ........................................................................................... 182 Table 26. Use figures for AChE inhibiting pesticides in California (CDPR 2007)....... 199 Table 27. Washington State water temperature thresholds for salmonid habitat. These temperatures are representative of limits set by California, Idaho, and Oregon (WSDE 2006). .............................................................................................................................. 203 Table 28. Number of kilometers of river, stream and estuaries included in state 303(d) lists due to temperature that are located within each salmonid ESU.............................. 204 Table 29. USGS Subregions and accounting units within the Northwest and Southwest Regions, along with ESUs present within the area (Seaber, Kapinos et al. 1987). ........ 207 Table 30. Area of land use categories within the range Chinook and Coho Salmon ESUs in km². ............................................................................................................................. 210 xii
Table 31. Area of Land Use Categories within the Range of Steelhead Trout DPSs (km²). ......................................................................................................................................... 211 Table 32. Select rivers in the southwest coast region (Carter and Resh 2005).............. 212 Table 33. Land uses and population density in several southwest coast watersheds (Carter and Resh 2005). .................................................................................................. 213 Table 34. California's 2006 Section 303(d) List of Water Quality Limited Segments: segments listed for exceeding temperature and carbofuran limits (CEPA 2007)........... 215 Table 35. Area of land use categories within Chinook Salmon ESUs in km². .............. 226 Table 36. Area of land use categories within chum and coho ESUs in km².................. 227 Table 37. Area of land use categories within sockeye ESUs and steelhead DPSs in km². ......................................................................................................................................... 228 Table 38. Select tributaries of the Columbia River (Carter and Resh 2005) ................. 229 Table 39. Land use and population density in select tributaries of the Columbia River (Stanford, Hauer et al. 2005)........................................................................................... 230 Table 40. Amount of most common a.i.s applied to crops in Hood River Basin 1990- 1996 (Jenkins et al. 2004). .............................................................................................. 234 Table 41. Examples of Water Quality Contaminants in Residential and Urban Areas . 250 Table 42. Pollutants of Concern in Puget Sound (PSAT 2005)..................................... 255 Table 43. Change in total area (acres 2 ) of tidal wetlands (tidal marshes and swamps) due to filling and diking between 1870 and 1970 (Good 2000)............................................ 261 Table 44. Environmental fate characteristics of carbaryl (EPA 2003). ......................... 269 Table 45. Environmental fate characteristics of carbofuran (EPA 2004)...................... 271 Table 46. Environmental fate characteristics of methomyl (EPA 2003)....................... 273 Table 47. General life histories of Pacific salmonids. ................................................... 274 Table 48. Examples of registered uses of carbaryl, carbofuran, methomyl and the exposure method used by EPA in BEs. .......................................................................... 277 Table 49. PRZM-EXAMS exposure estimates from EPA’s BEs.................................. 279 Table 50. GENEEC estimated concentrations of carbaryl, carbofuran, and methomyl in surface water adjacent to sweet corn, potatoes, sweet corn, potatoes, and citrus........... 284 Table 51. Average initial concentration of any a.i. in surface water resulting from a direct overspray of aquatic habitat.................................................................................. 287 xiii
Page 1 and 2: Ms. Debbie Edwards Director, Office
Page 3 and 4: National Marine Fisheries Service E
Page 5 and 6: Snake River Spring/Summer-Run Chino
Page 7 and 8: Commercial, Recreational, and Subsi
Page 9 and 10: Critical Habitat Risk Hypotheses ba
Page 11 and 12: Table of Figures Figure 1. Stressor
Page 13: Table of Tables Table 1. Registered
Page 17 and 18: Table 67. . Examples of published f
Page 19 and 20: Agency: Activities Considered: Nati
Page 21 and 22: This Opinion is based on NMFS’ re
Page 23 and 24: activities that may improve EPA’s
Page 25 and 26: affect but is not likely to adverse
Page 27 and 28: On November 13, 2008, EPA provided
Page 29 and 30: On January 21, 2009, the agencies a
Page 31 and 32: in California, Idaho, Oregon, and W
Page 33 and 34: On that same date, EPA e-mailed NMF
Page 35 and 36: After registering a pesticide, EPA
Page 37 and 38: isk assessment. With these and othe
Page 39 and 40: Typically, formulations are combine
Page 41 and 42: EPA also issued generic and product
Page 43 and 44: pecans, peppers, pistachios, plums,
Page 45 and 46: Use Site plants, woody plants CRP a
Page 47 and 48: are subject to a four year phase-ou
Page 49 and 50: Table 2. Registered uses and applic
Page 51 and 52: mildews and other fungal diseases.
Page 53 and 54: methomyl are 32.4 lb a.i./acre/year
Page 55 and 56: would not likely adversely affect C
Page 57 and 58: In the final steps of our analyses,
Page 59 and 60: Evidence Available for the Consulta
Page 61 and 62: sustaining in the natural environme
Page 63 and 64: Stressors of the Action (see Figure
Page 65 and 66:
Species Risk Hypotheses We construc
Page 67 and 68:
habitats is then assessed. This por
Page 69 and 70:
The problem formulation phase as ar
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Risk Characterization We follow the
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the probability of risk. In the Ris
Page 75 and 76:
Figure 5. Map showing extent of inl
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Opinion. Summaries of the status an
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Chinook salmon are dependent on the
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Eureka Figure 6. CC Chinook salmon
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Table 6. CC Chinook salmon--prelimi
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Table 7 identifies populations with
Page 87 and 88:
The CV drainage as a whole is estim
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have greatly reduced or eliminated
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Portland Salem Figure 9. LCR Chinoo
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important life history type remains
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Table 9. UCR Chinook salmon - preli
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In the most recent five-year geomet
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Figure 11. Puget Sound Chinook dist
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Status and Trends Puget Sound Chino
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flow, temperature, sediment load, w
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San Francisco Figure 12. Sacramento
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of historic spawning areas. Additio
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Status and Trends SR fall-run Chino
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Critical Habitat Critical habitat f
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Portland Seattle Spokane Figure 14.
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and five-year old fish, after two t
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surface and ground water and degrad
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Life History UWR Chinook salmon exh
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Bay, California. Historically, chum
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quality in the freshwater, estuarin
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Life History Chum salmon return to
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catastrophic events. Overall, the p
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Figure 17. Hood Canal Summer-run Ch
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improvements in 2000, with upward t
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ground water and degrade water qual
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San Francisco Figure 18. CCC Coho s
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Information on the abundance and pr
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Table 16 identifies populations wit
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Life History Although run time vari
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programs. The three major river sys
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Data on population abundance and tr
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Figure 21. Oregon Coast Coho salmon
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Preliminary spawner survey data for
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channels, backwaters, terrace tribu
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Figure 22. Ozette Lake Sockeye salm
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the 1997 status review due to resam
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Seattle Portland Figure 23. SR Sock
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Adult returns to Redfish Lake durin
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esume migration in early spring to
Page 163 and 164:
Central California Coast Steelhead
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Status and Trends The CCC steelhead
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San Francisco Figure 25. California
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and Jackson 1996; McEwan 2001). Ste
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Olympia Portland Salem Figure 26. L
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hatchery fish in naturally-spawning
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species includes the only populatio
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Life History Most MCR steelhead smo
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Critical Habitat Critical habitat w
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Eureka Figure 28. Northern Californ
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may affect steelhead migration patt
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Of the 21 populations in the Puget
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Seattle Spokane Figure 30. SR Basin
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and spawner estimates for the Tucan
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San Jose Figure 31. S-CCC steelhead
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Figure 32. Southern California stee
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extinction,” with the remaining 1
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Portland Figure 33. UCR Steelhead d
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“low” for the Wenatchee and Met
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Figure 34. UWR Steelhead distributi
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Molalla/Pudding, Yamhill, Tualatin,
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Natural Mortality Factors Available
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Marine Mammal Predation Marine mamm
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downstream of Bonneville Dam. Socke
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Oceanographic Features and Climatic
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coincides with relatively poor ocea
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from streams in watersheds with agr
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chemicals used has decreased (Table
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California, Idaho, Oregon, and Wash
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to disease, decrease the ability of
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characterized by emergent aquatic p
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subregions and accounting units for
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Region USGS Subregion Central Calif
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Table 31. Area of Land Use Categori
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Table 33. Land uses and population
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(Table 34). See species ESU/DPS map
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undeveloped sites in the Santa Ana
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and grazing. Dams and water diversi
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Artificial Propagation Anadromous f
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water resources is handled by Calif
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containers at time of use. • Cond
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Table 36. Area of land use categori
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Columbia River Basin The most notab
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Ranching practices have led to incr
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17% of mainstem Yakima River sample
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detected in samples from all sites,
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Whitney 1979). Similarly, over one
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nation’s silver output has come f
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(USBR 1998 in (FCRPS 2008); providi
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The States of Oregon and Wasington
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Columbia River chum salmon are not
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including brown and brook trout, At
Page 267 and 268:
density residential with some agric
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Although urban areas occupy only 2%
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Habitat Modification Much of the re
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Table 42. Pollutants of Concern in
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the 1950s. The vast majority of the
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pugettensis). An NPDES permit is re
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Habitat loss through wetland fills
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afted and moved to market or downst
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Oregon is in the process of develop
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Effects of the Proposed Action The
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Carbaryl dissipates in the environm
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high water solubility, low Kow, and
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Table 46. Environmental fate charac
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Species General Life History Descri
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Table 48. Examples of registered us
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Table 49. PRZM-EXAMS exposure estim
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estimate do not represent the highe
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BE provides a peak EEC of 5.5 μg/L
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alcoves, channel edge sloughs, over
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Carbaryl can also be applied at 8 l
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habitat had a downwind width of 10
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Depth of aquatic habitat (meters) B
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monitored in California, Idaho, Ore
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5.2 μg/L for carbofuran, 0.0150 -
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Summary information for carbaryl, c
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after flooding (Nicosia, Carr et al
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pesticide concentrations in the dis
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flowing water habitats, it is not s
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egistered products that contain mor
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potential ingredients in tank mixtu
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low maximum application rate. Howev
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occupy shoreline habitats of only a
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vertebrates and invertebrates (Walk
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Temperature and toxicity We found n
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exposure concentrations. Moreover,
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Summary of Toxicity Information Pre
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at several times during an experime
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Table 64. Assessment endpoint toxic
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fish, number of eggs per mature fem
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varigatus), an estuarine species, b
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included a NOAEC of 9.8 μg/L and a
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730 μg/L for D. magna (freshwater
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TEP) are contained in Appendix D-1.
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the uncertainties related to experi
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capacity (Little and Finger 1990).
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consumed relative to unexposed fish
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24 hr exposure (Zinkl, Shea et al.
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We located studies that measured ol
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endpoints of salmonids remains a re
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items (Courtemanch and Gibbs 1980;
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single pulse of chlorpyrifos was in
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Table 65. Study designs and results
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Chemical Taxa/species Assessment me
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Chemical Taxa/species carbofuran ca
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Chemical Taxa/species carbofuran ca
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macroinvertebrate community did not
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Jardine, MacLatchy et al. 2005; Luo
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Risk Characterization In this secti
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survival appears to be the most sen
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factor in the degree of toxicity of
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Figure 41. Methomyl exposure concen
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Table 67. . Examples of published f
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Additionally, the macroinvertebrate
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Measured Concentrations in Willapa
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up to 100 m off the carbaryl applic
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average initial concentration from
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• Unrelated (0): Conclusive evide
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the fish to determine the cause of
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Dose-addition assumes the cumulativ
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Table 73. Predicted AChE inhibition
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habitats during aerial applications
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The second line of evidence is whet
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D. Impair swimming which leads to r
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F. Exposure to mixtures of carbaryl
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used surfactant/adjuvant mixed with
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In a second modeling exercise, we t
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Carbaryl’s thresholds for the fou
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Table 75. Modeled output for Stream
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Table 77. Modeled output for Sockey
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The likelihood of scenarios 2 and 3
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The three insecticides are highly t
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A. B. C. Figure 43. Probability plo
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elatively low survival EC50 values
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dominated by agricultural or urban
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Figure 45. Percent change in lambda
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Table 80. Multiple application scen
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Because olfaction plays an importan
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expect co-occurrence of the three i
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support one or more lifestages. For
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We attempted to compare expected co
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Cumulative Effects Cumulative effec
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entry into freshwater systems. Carb
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Integration and Synthesis The Integ
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carbofuran applications could cause
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The Status of Listed Resources and
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also exposed to poor water quality
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Given the life history of LCR Chino
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Chinook salmon. Furthermore, there
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all three a.i.s are expected to be
Page 465 and 466:
completing migration to the Pacific
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The major threats to this ESU ident
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Land use data indicate that the Col
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Central California Coast Coho Salmo
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Pesticide use and detections in LCR
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effects. In several streams, one or
Page 477 and 478:
ESU is evergreen forest. Between 19
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miles where agricultural crops are
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The Status of Listed Resources and
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carbofuran application to potatoes,
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The major threats to this DPS ident
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lowland areas (below 1,000 ft eleva
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consequences and subsequent populat
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and surface waters within the heavi
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1994). Most juvenile steelhead spen
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salmon, Northern California steelhe
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natural cover such as submerged and
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The precise change in the conservat
Page 501 and 502:
coho salmon, LCR coho salmon, South
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Table 81. Jeopardy and Non-Jeopardy
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Reasonable and Prudent Alternatives
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The RPA is comprised of six require
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Table 83. Mandatory pesticide no ap
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items will die from these exposures
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action will attain this level in th
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proposed action. Therefore, inciden
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1. Minimize the amount and extent o
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met within the next 15 years, then
Page 521 and 522:
Arunachalam, S., K. Jeyalakshmi, et
Page 523 and 524:
Bortleson, G. C. and J. C. Ebbert (
Page 525 and 526:
CDFG (1995). "Letter dated 30 March
Page 527 and 528:
Davies, P. E. and L. S. J. Cook (19
Page 529 and 530:
FCRPS (2008). "Endangered Species A
Page 531 and 532:
Haggerty, M. J., A. C. Ritchie, et
Page 533 and 534:
IEPSPWT (1999). "Monitoring, assess
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government from 1896 to 1945." Repo
Page 537 and 538:
Matthews, G. M. and R. S. Waples (1
Page 539 and 540:
NMFS (2004). Five-year integrated p
Page 541 and 542:
PSAT (2004). "State of the Sound 20
Page 543 and 544:
Schroder, S. L. (1977). "Assessment
Page 545 and 546:
Tufts, D. F. (1990). "Control of bu
Page 547 and 548:
Williams, A. K. and C. R. Sova (196
Page 549 and 550:
Introduction To assess the potentia
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ocean-type and stream-type Chinook
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incorporates empirical data when av
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given a percentile value of 50 (i.e
Page 557 and 558:
species-appropriate growth period (
Page 559 and 560:
For Figure 3C, an exposure pulse wo
Page 561 and 562:
the n x n square matrix (A) by assi
Page 563 and 564:
spawn (Pess et al. 2002). Survival
Page 565 and 566:
distributed survival and reproducti
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Figure 1: Life-History Graphs and T
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Table 1. List of values used for co
Page 571 and 572:
Table 4. Matrix transition element
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Figure 2. 555
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Figure 4. 557
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Brewer, S.K., Little, E.E., DeLonay
Page 579 and 580:
Higgs, D.A., MacDonald, J.S., Levin
Page 581 and 582:
Morgan, M.J., and Kiceniuk, J.W. 19
Page 583 and 584:
Scholz, N.L., Truelove, N.K., Frenc
Page 585 and 586:
Appendix 2. Species and Population
Page 587 and 588:
Chinook Salmon (continued) ESU Popu
Page 589 and 590:
Chum Salmon ESU Population λ - H=0
Page 591 and 592:
Coho Salmon (continued) ESU Populat
Page 593 and 594:
Steelhead (continued) DPS Populatio
Page 595 and 596:
Appendix 3: Abbreviations 7-DADMax
Page 597 and 598:
FQPA Food Quality Protection Act ft
Page 599 and 600:
PPE Personal Protection Equipment P
Page 601 and 602:
Appendix 4: Glossary 303(d) waters
Page 603 and 604:
Salmon fall to head upriver to its
Page 605 and 606:
Main channel The stream channel tha
Page 607 and 608:
Smolt A juvenile salmon or steelhea
Page 609:
WQS “A water quality standard def
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