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Scenario 18 - Outdoor Plant/tree Diseases - Consumer, 1980
Method 2, Confidence medium
Active
Ingredient (a)		 Total pounds
applied to lawns
and outdoor
plants/trees
(thousands) (a) 		Total pounds applied to lawns and
outdoor plants/trees (thousands) (b)		 Application
Rate for Outdoor
Plant/trees
(lbs/100 gal) (c)		 Outdoor
Plant/tree
Acres Treated
(thousands)
(calculated) (d)		 Probability
(calculated) (e)
Outdoor
plants/trees		 Lawn
Captan 200 129 71 1.2 108 21%
PCNB 175 75 100 1.5 50 10%
Sulfur 135 135 0 6.0 23 4%
Other: 525          
Maneb 50 50 0 0.9 53 11%
Chlorothalonil 100 50 50 1.0 50 10%
Benomyl 75 25 50 0.5 50 10%
Thiram 50 50 0 1.0 50 10%
Ziram 50 50 0 1.5 33 7%
Other 200 175 25 2.0 88 17%
  1,035 739 296   504  
  1. Kline (Anonymous, 1982). Active ingredients listed in the "other" category are identified by Kline but pounds are not given;
    these were estimated based on judgment.
  2. Split of each active ingredient into lawn vs. outdoor plants/trees was based on judgment, with the condition that the total pounds for
    outdoor plant/tree active ingredients was 71% of the total poundage, and the total pounds for lawn active ingredients was 29% of the
    total poundage, reflecting the split of dollar sales given in Kline (Anonymous, 1982).
  3. Hagan et al. (1993)
  4. Pounds applied divided by application rate. We assume that 100 gallons of finished spray is applied to an acre, a common assumption.
  5. Acres treated for each active ingredient divided by total acres treated.