The rule allows producers to choose from a menu of best-management practices to reduce emissions. Examples include altering the cows to diet as well as flushing alleys with water. The regulators hope the changes will eliminate about 18 tons of volatile organic compounds per day.
The dairy industry says the rule is based on the best science available to date and is workable for producers.
However, environmentalists say the new rule does not go far enough.
For more from the Modesto Bee, go to: http://www.modbee.com/ag/story/12327052p-13059344c.html