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. 2006 May;72(5):3284–3290. doi: 10.1128/AEM.72.5.3284-3290.2006

TABLE 3.

Annual probability of enteric virus infection associated with consuming vegetables that have been spray irrigated with secondary effluent from four different treatment plants and where the viral kinetic decay constant (k) is assumed to be 0.69 day−1

Crop Time (days)b PA(λ) (UCL0.95)a
MRWPCA AS OCSD AS OCSD TF Pomona AS
Broccoli 1 3.1 × 10−2 6.3 × 10−3 2.8 × 10−2 3.3 × 10−3
7 5.3 × 10−3 5.5 × 10−4 3.1 × 10−3 6.0 × 10−4
14 8.5 × 10−5 6.4 × 10−6 3.9 × 10−5 1.2 × 10−5
Cucumber 1 2.7 × 10−2 1.9 × 10−3 1.8 × 10−2 2.0 × 10−3
7 2.5 × 10−3 4.0 × 10−5 9.7 × 10−4 4.8 × 10−4
14 3.8 × 10−5 3.2 × 10−7 1.9 × 10−5 1.8 × 10−5
Savoy King/Grand Slam (cabbage) 1 6.0 × 10−2 1.1 × 10−2 4.7 × 10−2 4.6 × 10−3
7 9.5 × 10−3 5.6 × 10−4 4.8 × 10−3 1.1 × 10−3
14 3.8 × 10−4 5.4 × 10−6 9.7 × 10−5 1.7 × 10−4
Winter Head (cabbage) 1 8.2 × 10−2 1.8 × 10−2 6.9 × 10−2 6.8 × 10−3
7 1.7 × 10−2 1.2 × 10−3 9.4 × 10−3 1.5 × 10−3
14 7.6 × 10−4 1.2 × 10−5 1.9 × 10−4 2.7 × 10−4
Lettuce 1 2.0 × 10−1 4.1 × 10−2 1.7 × 10−1 1.5 × 10−2
7 4.1 × 10−2 2.9 × 10−3 2.3 × 10−2 2.8 × 10−3
14 1.2 × 10−3 7.1 × 10−5 4.2 × 10−4 3.3 × 10−4
a

Estimates were derived from 10,000 Latin hypercube iterations of the model.

b

Duration of environmental exposure.