IMPERIAL COUNTY AIR POLLUTION CONTROL DISTRICT
RULE 408 - FROST PROTECTION
(Adopted 11/9/82; revised 9/14/99)
This Rule applies to the use of heaters and other methods for Frost Protection.
B.1 The use of any Orchard or Citrus Grove Heater for Frost Protection is prohibited unless the heater has been approved by the California Air Resources Board or produces one (1) gram per minute or less of unconsumed solid carbonaceous material.
B.2 The burning of rubber tires or any rubber products, in any combustion process in connection with Frost Protection, is hereby prohibited.
B.3 Open Outdoor Fires in orchards or citrus groves are prohibited. This prohibition excludes the use of commercially prepared charcoal briquettes or similar substances designed for Frost Protection.
B.4 The burning of oil or other combustible substances in drums, buckets, tubes, pails or other containers is prohibited.
B.5 All orchard heaters must be clean and in good repair and working condition.
B.6 All orchard heaters must be free of solids in stacks.