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§23-2620 WATER RESOURCES CONTROL OARD TITLE 26 TITLE 26 WATER RESOURCES CONTROL BOARD §23-2621 (p. 1804) (Register 86,No.34-8-23.86) (Register 86,No.348-2356) (p• 18m) (A) The ordinance,as it may be amended,continues to meet,at a minimum, "Double-walled tank" means a container with two complete shells which the requirements of Chapter 6.7 of Division 20 of the Health and Safety Code; provide bothprimary and secondary containment.The outer shell must pro- and vide structural support and must be constructed primarily of non-earthen (B) The county or city issues permits for underground storage tanks pursu- materials including,but not limited to,concrete, steel,and plastic. ant to the ordinance. "Existing underground storage tank"means any underground storage tank (2) Underground storage tanks containing hazardous wastes as defined in that is not a new underground storage tank. The term includes any under- Section 25316 of the Healt�i and Safety Code if the person owning or operating ground storage tank which has contained a hazardous substance in the past and, the underground storage tank has been issued a hazardous waste facilities as of January,1,1994,had the physical capability of being used again (i.e.,it had permit for the underground storage tank by the Department of Health Services not been removed or completely filled with an inert solid.) pursuant to Section 25200 of the Health and Safety Code or granted interim "First groundwater"means the uppermost saturated horizon encountered status under Section 25200.5 of the Health and Safety Code. in a bore hole. (b) Sumps which are a part of a monitoring system as required under Article "Ground water" means subsurface water which will flow into a well. 3 of this subchapter are considered part of the secondary container or leak "Membrane liner" means any membrane sheet material fabricated into a detection system of the primary container and are required to meet the appro- system for secondary containment. priate construction criteria. • "Membrane manufacturer means the company- which processes the con- NOTE: Authority cited: Section 25299.3, Health and Safety Code. Reference: Sections stituent polymers into membrane sheeting from which the membrane liner is 25281 and 25299.1,Health and Safety Code. fabricated into a system for secondary containment. "!Membrane liner fabricator"means the company which converts the liner Definition of Terms membrane sheeting into a system for secondary containment. 23-2620. Applicability of Definitions. "?Motor vehicle"means a self-propelled device by which any person or prop- (a) Terms used in this subchapter shall have the definitions provided by the erty may be propelled, moved, or drawn. appropriate section of Chapter 6.7 of Division 20 of the Health and Safety Code, Motor vehicle fuel tank"means an underground storage tank that contains or by Section 2621 of this article. a product which is intended to be used primarily to fuel motor vehicles or fuel (b) The following terms are defined in the appropriate section of Chapter an engine. 6.7 of Division 20 of the Health and Safety Code: �� rationally recognized independent testing organization"means any one of Board the following organizations; or other organiz2tions approved by the Board: Department American National Standards Institute (ANSI) Facility American Society of Mechanical Engineers (ASME) Hazardous substance American Society for Testing and Materials (ASTM) g y National Association of Corrosion Engineers (\ACE) Loccal a enc National Sanitation Foundation (NSF) OperatOwner Underwriters Laboratories (UL) Underwriters Laboratories of Canada, Inc. (ULC) PersonP "New underground storage tank"means any underground storage tank sub- Primary containment ject to this subchapter which is installed after the effective date of this subehap- ht ter or complies with the requirements of Article 3 of this subchapter; or was Product ti g installed after January 1,1984,and before the effective date of this subchapter Secondary containment pursuant to a permit issued by the local agency implementing the provisions Single-walled of Chapter 6.7 of Division 20 of the Health and Safety Code relating to new Special inspector underground storage tanks. Storagelstore "Perennial ground water" means ground water that is present throughout Unauthorized release the year. Underground storage tank "Substantially beneath the surface of the ground" means that at least 10 NOTE: Authority cited: Section 25299.3, Health and Safety Code. Reference: Sections percent of the underground storage tank volume,including connected piping, 25281,25282 and 25291,Health and Safety Code. is below the ground surface. 23-2621. Additional Definitions. "Unauthorized release"as defined in Chapter 6.7 of Division 20 of the Health The following definitions shall apply to terms used in this subchapter. and Safety Code does not include intentional withdrawals of hazardous sub- "Continuous monitoring"means a system using automatic equipment which stances for the purpose of legitimate sale, use,or disposal. routinely, performs the required monitoring on a periodic or cyclic basis NOTE: Authority cited: Section 25299.3, Health and Safety Code. Reference: Sections throughout each day. 25281,25282 and 25283, Health and Safety Code.