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Earlier editions: 2026-09

Title 8 — HEALTH AND SANITATION

San Luis Obispo County Municipal Code Ch. 8.20 Control of Air Pollution Created by Orchard or Citrus Grove Heaters

San Luis Obispo County Municipal Code · 2026-10 edition · updated 2026-10-04 · San Luis Obispo County

Cite as: San Luis Obispo County Municipal Code Chapter 8.20 · Text as of 2026-10-04

8.20.010 - Purpose.

The purpose of this chapter is to provide requirements to ensure the protection of health, welfare, and property of the general public, and to protect the character, social and economical stability of San Luis Obispo County by enforced regulations controlling the use of orchard or citrus grove heaters.

(Ord. 1112 § 1 (part), 1970: prior code § 7-600)

Exceptions & meaning →

8.20.020 - Definitions.

"Orchard or citrus grove heater" means any article, machine, equipment or other contrivance burning any type of fuel, capable of emitting air contaminants, used or capable of being used for the purpose of giving protection from frost damage.

(Ord. 1112 § 1 (part), 1970: prior code § 7-601)

Exceptions & meaning →

8.20.030 - Air pollution control officer.

The San Luis Obispo County Health Officer shall be known as the San Luis Obispo County Air Pollution Control Officer for all such purposes as may be required in any manner for the administration and enforcement of the regulations provided by this chapter.

(Ord. 1112 § 1 (part), 1970: prior code § 7-602)

Exceptions & meaning →

8.20.040 - Person defined.

"Person" means any person, firm, association, organization, partnership, business trust, corporation, company, contractor, supplier, installer, user or owner.

(Ord. 1112 § 1 (part), 1970: prior code § 7-603)

Exceptions & meaning →

8.20.050 - Regulations.

It is unlawful within the unincorporated portion of San Luis Obispo County for any person to do any of the following:

(1) Use any orchard or citrus grove heater which produces unconsumed solid carbonaceous matter at the rate of more than one gram per minute;

(2) Use open fires for orchard or citrus grove heating;

(3) Use rubber tires or any rubber products in any combustion process in connection with any orchard or citrus grove heating;

(4) Use or operate for the purpose of giving protection from frost damage the commonly known or designated types of orchard or citrus grove heating equipment as follows:

a. Garbage pail,

b. Smith Evans,

c. Citrus with Olsen Stack,

d. Canco five gallon,

e. Dunn,

f. Hamilton Bread Pan,

g. Wheeling,

h. Canco three gallon,

i. Chinn,

j. Baby Cone,

k. Citrus Regular,

l. Stub Stack,

m. Citrus fifteen-inch stack,

n. Exchange Model five and one-half-inch diameter stack

o. Exchange Model six-inch diameter stack,

p. Hy-Lo Drum,

q. Hy-Lo Hot Blast,

r. Pheysey Beacon;

(5) Use or operate for the purpose of giving protection from frost damage the commonly known or designated types of orchard or citrus grove heating equipment as follows:

NAME MAXIMUM PRIMARY AIR ORIFICE IN SQUARE INCHES
a. Hy-Lo 1929 0.606 (equivalent to one hole of ⅞ inch diameter)
b. Hy-Lo 148 0.606 (equivalent to one hole of ⅞ inch diameter)
c. Hy-Lo Double Stack 0.606 (equivalent to one hole of ⅞ inch diameter)
d. Jumbo Cone 0.196 (equivalent to one hole of ½ inch diameter)
e. Lemora 0.606 (equivalent to one hole of ⅞ inch diameter)
f. National Double 0.802 (equivalent to one hole of ⅞ inch diameter and one hole of ½ inch diameter)
g. Surplus Chemical Warfare Service Smoke Generator 0.802 (equivalent to one hole of ⅞ inch diameter and one hole of ½ inch diameter)

unless the primary air orifice(s) contained therein are not more than the maximum area designated above in this subdivision (5);

(6) Use or operate for the purpose of giving protection from frost damage the commonly known or designated types of orchard or citrus grove heating equipment as follows:

NAME MAXIMUM PRIMARY AIR ORIFICE IN SQUARE INCHES
a. Exchange Model 7 inch diameter stack 0.606 (equivalent to one hole of ⅞ stack inch diameter)
b. Hy-Lo 148 Special 0.606 (equivalent to one hole of ⅞ inch diameter)
c. Hy-Lo 230 0.606 (equivalent to one hole of ⅞ inch diameter)
d. Lazy Flame 24 inch stack 0.606 (equivalent to one hole of ⅞ inch diameter)
e. Lazy Flame 18 inch stack 1.212 (equivalent to two holes of ⅞ inch diameter)
f. National Junior 1.212 (equivalent to two holes of ⅞ inch diameter)

unless the primary air orifice(s) thereof is (are) adjusted or regulated to a maximum opening of not greater than the area designated above in this subdivision (6);

(7) Use any new complete orchard or citrus grove heating equipment of the distilling type not listed above in subdivisions (5) and (6) unless the equipment contains a primary air orifice of such design that not more than one gram per minute of unconsumed solid carbonaceous matter is emitted.

(Ord. 1112 § 1 (part), 1970: prior code § 7-604)

Exceptions & meaning →

8.20.060 - Enforcement.

The San Luis Obispo County Air Pollution Control Officer and his duly appointed representatives shall have authority to enforce the provisions of this chapter.

(Ord. 1112 § 1 (part), 1970: prior code § 7-605)

Exceptions & meaning →

8.20.070 - Penalty provisions.

Section 1.04.010 is applicable to any violation or violations of this chapter.

(Ord. 1112 § 1 (part), 1970: prior code § 7-606)

Exceptions & meaning →

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