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Higher Tier Rice Modeling for the EU - pfmodels

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Simple<br />

Surface<br />

water<br />

body<br />

Application<br />

Rate (kg/ha)<br />

PECsw (ppb)<br />

Peak 96-Hour 21-Day 60-Day 90-Day<br />

Annual<br />

Average<br />

Canal 0.1 0.0080 0.0070 0.0028 0.0012 0.0008 0.0002<br />

Stream 0.1 0.0834 0.0702 0.0342 0.0158 0.0108 0.0028<br />

% of Applied A.I.<br />

16<br />

14<br />

12<br />

10<br />

8<br />

6<br />

4<br />

Pesticide Releases from Paddies<br />

Overflow vs. Drainage<br />

Drainage<br />

Overflow<br />

Concentration, ug/L<br />

16<br />

14<br />

12<br />

10<br />

8<br />

6<br />

4<br />

2<br />

0<br />

Exposure Concentration<br />

0 10 20 30 40 50 60 70 80 90 100<br />

2<br />

Percent Greater Than<br />

0<br />

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20<br />

Inst. 96-hr 21-day 60-day 90-day Annual<br />

Year

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