-- from National Research Council,
Board on Agriculture, Alternative Agriculture, 44;
National Research Council, Board on Agriculture,
Regulating Pesticides in Food, 78, Table 3-20 to 22.
Ironically, Spinach was contaminated by runoff from cattle farms during 2006:
FDA Statement on Foodborne E. coli O157:H7 Outbreak in Spinach
This statement is current as of October 12, 2006
Positive Test Results
FDA
and the State of California announced today that test results from the
field investigation of the outbreak of E.coli O157:H7 in spinach are
positive for E.coli O157:H7. Samples of cattle feces on one of the
implicated ranches tested positive based on matching genetic
fingerprints for the same strain of E. coli that sickened 199 people.
The
trace back investigation has narrowed to four implicated fields on four
ranches. The outbreak strain of E. coli O157:H7 from cattle feces was
identified on one of these four ranches
From: http://www.fda.gov/bbs/topics/NEWS/2006/NEW01489.html