Section 25281.6 Of Chapter 6.7. Underground Storage Of Hazardous Substances From California Health And Safety Code >> Division 20. >> Chapter 6.7.
25281.6
. (a) A tank located in a below-grade structure and
connected to an emergency generator tank system, as defined in
subdivision (c) of Section 25281.5, is exempt from the requirements
of this chapter if all of the following conditions are met:
(1) The tank is situated above the surface of the floor in such a
way that all of the surfaces of the tank can be visually inspected by
either direct viewing, through the use of visual aids, including,
but not limited to, mirrors, cameras, or video equipment, or
monitored through the use of a continuous leak detection and alarm
system capable of detecting unauthorized releases of hazardous
substances.
(2) For a single-walled tank, in addition to all the other
requirements in this section, the structure, or a separate discrete
secondary structure able to contain the entire contents of the liquid
stored in the tank, is sealed with a material compatible with the
stored product.
(3) The owner or operator of the tank conducts visual inspections
of the tank each time the emergency generator tank system is
operated, or at least once a month, and maintains a log of inspection
dates for review by the local agency.
(4) The tank or combination of tanks in the below-grade structure
has a cumulative capacity of less than 1,320 gallons of diesel fuel.
(b) Nothing in this section excludes an emergency generator tank
system from other applicable laws, codes, and regulations.
(c) The exclusion provided by this section does not apply if the
board adopts regulations pursuant to Section 25299.3 that address the
design, construction, upgrade, and monitoring of underground storage
tanks contained in below-grade structures that are connected to
emergency generator tank systems.