180
Pesticides, Organic Contaminants, and Pathogens in Air
and Seiber, 2000; Cahill et al., 1999; Frank et al., 1996). Other stable and polar
chemical breakdown products include dimethyl phosphate and diethyl
phosphate from OP pesticides. These chemicals might offer targets for following transport and fate from high OP use areas similar to TFA from Freon
replacement breakdown.
10.2 Drift to Sensitive Ecosystems: From California’s
Central Valley to the Sierra Nevada
Agriculture in California’s Central Valley is a source of pesticides that are
transported in the air to sensitive ecosystems such as in the Sierra Nevada
Mountain Range (Woodrow et al., 2018). Air moves eastward from the Pacifc
Ocean to inland areas (Figure 10.2). Along this route, the airmass accumulates contaminants from industrialized coastal, vehicle-laden areas such as
the San Francisco Bay area. Northerly winds from the coast transport dust
and vapor containing pesticides from the northern Sacramento valley, and
southerly winds bring the airmass to agricultural San Joaquin Valley which
FIGURE 10.2
Cross section of California (Bradford et al., 2010; Hayes, 1984) (Reprinted by permission from
Springer Nature Woodrow, J.E., Gibson, K.A., and Seiber, J.N. (2018). Pesticides and related
toxicants in the atmosphere. In P. de Voogt, (Ed.), Reviews of Environmental Contamination and
Toxicology (Vol. 247, pp. 147–196). Cham: Springer International Publishing. https://doi.org/
10.1007/398_2018_19. Copyright Springer Nature Switzerland AG 2018.)
Pesticides, Organic Contaminants, and Pathogens in Air
and Seiber, 2000; Cahill et al., 1999; Frank et al., 1996). Other stable and polar
chemical breakdown products include dimethyl phosphate and diethyl
phosphate from OP pesticides. These chemicals might offer targets for following transport and fate from high OP use areas similar to TFA from Freon
replacement breakdown.
10.2 Drift to Sensitive Ecosystems: From California’s
Central Valley to the Sierra Nevada
Agriculture in California’s Central Valley is a source of pesticides that are
transported in the air to sensitive ecosystems such as in the Sierra Nevada
Mountain Range (Woodrow et al., 2018). Air moves eastward from the Pacifc
Ocean to inland areas (Figure 10.2). Along this route, the airmass accumulates contaminants from industrialized coastal, vehicle-laden areas such as
the San Francisco Bay area. Northerly winds from the coast transport dust
and vapor containing pesticides from the northern Sacramento valley, and
southerly winds bring the airmass to agricultural San Joaquin Valley which
FIGURE 10.2
Cross section of California (Bradford et al., 2010; Hayes, 1984) (Reprinted by permission from
Springer Nature Woodrow, J.E., Gibson, K.A., and Seiber, J.N. (2018). Pesticides and related
toxicants in the atmosphere. In P. de Voogt, (Ed.), Reviews of Environmental Contamination and
Toxicology (Vol. 247, pp. 147–196). Cham: Springer International Publishing. https://doi.org/
10.1007/398_2018_19. Copyright Springer Nature Switzerland AG 2018.)