Surface Water Monitoring Programs Begin Next Week on May 9th
The Rice Pesticide Program (RPP) will begin next week on May 9th. The RPP monitors for thiobencarb for 10 consecutive weeks at 4 agricultural drain sites (2 east and 2 west of the Sacramento River), and one site in the Sacramento River near downtown Sacramento and upstream of the drinking water intake facilities.
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The Central Valley Regional Water Quality Control Board has highlighted rice as a success story for its comprehensive evaluation of nitrate impacts on ground water. The link can be found here: https://www.waterboards.ca.gov/centralvalley/water_issues/irrigated_lands/success_stories/
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We recently added a new “Drinking Water Well” button to our CalRiceNews.org website. This creates a centralized location for forms and informational materials, eliminating the need for the AgCEU online course.
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The CRC recently moved the form and informational materials from the AgCEU online course to our CalRiceNews.org website. A button “Drinking Water Well” has been added for your convenience.
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The mandatory thiobencarb stewardship training for growers is now easily accessible through calricenews.org, with links that take you to the free Ag CEU online course at Farm Progress.
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The mandatory thiobencarb stewardship training recording is available 24/7 with access to the video throughout the use season. Viewing the video is the only option to receive the certificate of completion. Taking the exam is optional, so the reason two links are available: 1) Select “Certificate Only” if you prefer to view the video with no exam and receive a certificate of completion, or 2) choose the other link to view the video, take the exam, and receive a certificate of completion.
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The mandatory thiobencarb stewardship training recording will be available 24/7 to access from two locations. Video recordings will be available no later than January 5. Viewing the video is the only option for receiving credit for the mandatory thiobencarb stewardship training.
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A special thank you to the rice growers, pilots, applicators and PCAs who steward thiobencarb through usage, applications, and recommendations. This season ended with no exceedances.
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Good news continues as the thiobencarb monitoring results hit a peak detection of 1.2 ppb on May 20 at the CBD5 site, which is below the performance goal of 1.5 ppb. Monitoring results at the CBD5 site recovered to 0.79 ppb and 0.73 ppb on May 25 and 27. Sight detections were discovered at the lower Colusa Basin site (CBD1) and Butte Sough. We are halfway through the monitoring season and will continue share monitoring results throughout the season.
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The CRC received calls about concerns with the propanil SuperWHAM!® CA performance last year. We reached out to UPL, the registrant, and the company completed considerable research over the winter months.
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