a. Prevent releases due to corrosion or structural failure for the operational life of the tank;

b. Be protected against corrosion, constructed of noncorrosive material, steel clad with a noncorrosive material, or designed to include a secondary containment system to prevent the release or threatened release of any stored substance; and

c. Use material in the construction or lining of the tank which is compatible with the substance to be stored.

a. Prevent the release of a hazardous substance to the ground, or groundwater;

b. Include an impervious containment area enclosing or underlying the tank or part thereof;

c. Include a secondary containment system either built into the tank structure or a dike system built outside the tank. The secondary containment system or dike system must have a capacity of at least 110 percent of the primary tank and conform to the requirements of UFC Chapter 7902.2.

a. Commercial vehicle repair and servicing must be conducted over impermeable pads and within a covered structure capable of withstanding normally expected weather conditions. Chemicals used in the process of vehicle repair and servicing must be stored in a manner that protects them from weather and provides containment should leaks occur.

b. Dry wells are not allowed on sites used for vehicle repair and servicing. Dry wells existing on the site prior to facility establishment must be abandoned using techniques approved by the state Department of Ecology prior to commencement of the proposed activity.