HSC §41705: (a) Section 41700 does not apply to odors emanating from any of the following: (1) Agricultural operations necessary for the growing of crops or the raising of fowl or animals.

(a) Section 41700 does not apply to odors emanating from any of the following: (1) Agricultural operations necessary for the growing of crops or the raising of fowl or animals. (2) Operations that produce, manufacture, or handle compost, as defined in Section 40116 of the Public Resources Code, if the odors emanate directly from the compost facility or operations. (3) Operations that compost green material or animal waste products derived from agricultural operations, and that return similar amounts of the compost produced to that same agricultural operations source, or to an agricultural operations source owned or leased by the owner, parent company, or subsidiary conducting the composting operation. The composting operation may produce an incidental amount of compost not exceeding 2,500 cubic yards of compost, which may be given away or sold annually. (b) If a district receives a complaint pertaining to an odor emanating from a compost operation exempt from Section 41700 pursuant to paragraph (2) or (3) of subdivision (a), that is subject to the jurisdiction of an enforcement agency under Division 30 (commencing with Section 40000) of the Public Resources Code, the district shall, within 24 hours or by the next working day, refer the complaint to the enforcement agency. (c) This section shall become inoperative on April 1, 2003, unless the California Integrated Waste Management Board adopts and submits regulations governing the operation of organic composting sites to the Office of Administrative Law pursuant to subdivision (c) of Section 43209.1 of the Public Resources Code on or prior to that date.