CHAPTER 11. UNDERGROUND STORAGE OF HAZARDOUS SUBSTANCES*
Sec. 11-1-2. Definitions.
(a) Board. “Board” means the State Water Resources Control
(b) Facility. “Facility” means any one, or combination
of, underground storage tanks used by a single business entity at a single
location or site.
(c) Hazardous Substance. “Hazardous substance”
means all of the following liquid and solid substances unless the Woodland city
council determines the substance could not adversely affect the quality of the
water of this city, county or region:
(1) Substances on the list prepared by
the Director of the Department of Industrial Relations pursuant to Section 6382
of the Labor Code of the state of California;
(2) Hazardous substances, as
defined in Section 26316 of the Health and Safety Code of the state of
(3) Any substance or material which is classified by the
National Fire Protection Association (NFPA) as a flammable liquid, or a Class II
combustible liquid, or a Class III-A combustible liquid.
“Operator” means the operator of an underground storage
(e) Owner. “Owner” means the owner of an underground
(f) Permitting Authority. “Permitting authority”
shall be the Yolo County Director of public health or his
(g) Person. “Person” means an individual, trust, firm,
joint stock company, corporation, including a government corporation,
partnership, and association. “Person” also includes any city,
county, district, the State, or any department or agency thereof.
“Pipe” means any pipeline or system of pipelines which is used in
connection with the storage of hazardous substances and which are not intended
to transport hazardous substances in interstate or intrastate commerce or to
transfer hazardous materials in bulk to or from a marine vessel.
Containment. “Primary containment” means the first level of
containment, such as the portion of a tank which comes into immediate contact on
its inner surface with the hazardous substance being
(j) Product-tight. “Product-tight” means impervious
to the substance which is contained, or is to be contained, so as to prevent the
seepage of the substance from primary containment. To be product-tight, the tank
shall not be subject to physical or chemical deterioration by the substance
which it contains over the useful life of the tank.
Containment. “Secondary containment” means the level of containment
external to, and separate from, the primary containment.
“Single-walled” means construction with walls made of only one
thickness of material. For the purpose of this chapter, laminated, coated, or
clad material shall be considered single-walled.
(m) Special Inspectors.
“Special inspectors” means a professional engineer, registered
pursuant to Chapter 7 (commencing with Section 6700) of Division 3 of the
Business and Professions Code of the state of California, who is qualified to
attest, at a minimum, to structural soundness, seismic safety, and compatibility
of construction materials with contents, cathodic protection, and the mechanical
compatibility of the structural elements.
(n) Storage or Store.
“Storage” or “store” means the containment, handling or
treatment of hazardous substances, either on a temporary basis or for a period
of years. “Storage” or “store” does not mean the storage
of hazardous wastes in an underground storage tank if the person operating the
tank has been issued a hazardous waste facilities permit by the State Department
of Health Services pursuant to Section 25200 or granted interim status under
Section 25200.5 of the Health and Safety Code of the state of
(o) Unauthorized Release. “Unauthorized release”
means any release or emission of any hazardous substance which does not conform
to the provisions of this chapter, unless this release is authorized by the
State Water Resources Control Board pursuant to Division 7 (commencing with
Section 13000) of the Water Code of the state of California.
Storage Tank. “Underground storage tank” means any one or
combination of tanks, including pipes connected thereto, which is used for the
storage of hazardous substances and which is substantially or totally beneath
the surface of the ground. “Underground storage tank” does not
include any of the following:
(1) A tank used for the storage of hazardous
substances used for the control of external parasites of cattle and subject to
the supervision of the county agricultural commissioner if the county
agricultural commissioner determines by inspection prior to use, that the tank
provides a level of protection equivalent to that required by Section 11-1-3, if
the tank was installed after June 30, 1984, or protection equivalent to that
provided by Section 11-1-4, if the tank was installed on or before June 30,
(2) Tanks which are located on a farm or store motor vehicle fuel
which is used only to propel vehicles used primarily for agricultural
(3) Tanks used for aviation or motor vehicle fuel located within
one mile of a farm and the tank is used by a licensed pest control operator, as
defined by Section 11705 of the Food and Agricultural Code of the state of
California, who is primarily involved in agricultural pest control
(4) Structures such as sumps, separators, storm drains, catch
basins, oil field gathering lines, refinery pipelines, lagoons, evaporation
ponds, well cellars, separation pumps, lined and unlined pits, sumps and
lagoons. Sumps which are a part of the monitoring system required under Sections
6-11.103 and 6-11.104 are not exempted by this section. (Ord. No. 1043, § 1