The Yakima Herald reports the Yakima Regional Clean Air Agency will likely launch a policy next month to voluntarily limit emissions on dairy farms.

The clean-air agency created the policy because of complaints from the Washington town’s residents. A final report , updated after hearing public comment, was completed Thursday.

According to the policy over 70 dairies located in Yakima Valley would voluntarily follow management practices to reduce emissions of ammonia, methane, hydrogen sulfide, organic compounds, odors and dried fecal matter. The policy will be monitored over a 10-month trial period to gauge whether emissions are reduced.

Practices to reduce emissions include feed management, nutrition, housing, manure management and land application of fertilizer and manure. Opponents say the policy is doomed because its voluntary and no consequences exist if practices aren’t followed.

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