Industry News

Thiobencarb Results improving

Thiobencarb Results improving

Thiobencarb monitoring was off to a rough start with nine exceedances of the 1.5 µg/L (parts per billion) performance goal in the agricultural drains. The performance goal, established in 1991, is set in the Central Valley Water Board Basin Plan. Our concern was the exceedances began the second week of monitoring rather than the typical mid-season timing coordinating with Memorial Day. 

Fortunately, we have had no detections in the river, which is the point of compliance for the Central Valley Water Board. The water quality objective in the river is 1.0 µg/L at the city drinking water intakes. The water quality objective is set at a level to mitigate nuisance from taste and odor from thiobencarb elevated levels. 

The monitoring season will extend until July 16. We are positive the monitoring results through June 18 will continue through the end of the season. 

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Thiobencarb Management Calendar

The information in this twelve-month chart is just a snapshot of the management necessary to maintain thiobencarb. At the CRC, we work to provide information on the management practices, stewardship updates and the monitoring results because product maintenance does not end with the last application, cumulation of all water-holds or the collection of the final water sample. Every person using, applying and recommending thiobencarb takes ownership in successful management of the herbicide. Management requires constant diligence and coordination with the growers, registrants, pilots, applicators, pest control advisers, county agricultural commissioners and state regulators to assure continual usage of this important herbicide.