Section 6021.901 - Submission of spill prevention response plan(a) Schedule.--Each owner of an aboveground storage tank or tank facility shall submit to the department, within one year of the effective date of this act, a plan for each aboveground storage tank or tank facility. Each plan shall be site-specific and be consistent with the requirements of this act and shall be developed in consultation with county and municipal emergency management agencies. This chapter shall not apply to aboveground storage tank facilities with a capacity equal to or less than 21,000 gallons.(b) Plan revisions.--Each owner of an aboveground storage tank or tank facility with an approved spill prevention response plan shall submit a revised plan or addendum to the plan to the department in accordance with the requirements of this act if any of the following occur:(1) There is a substantial modification in design, construction, operation, maintenance of the storage tank or tank facility or associated equipment or other circumstances that increase the potential for fires, explosions or releases of regulated substances.(2) There is a substantial modification in emergency equipment at the facility.(3) There are substantial changes in tank facility emergency organization.(4) Applicable department regulations are revised.(5) The plan fails in an emergency.(6) The removal or the addition of any storage tank or storage tanks.(7) Other circumstances occur of which the department requests an update.(c) Existing plans.-- All existing plans regarding storage tank facilities required by the department pursuant to the act of June 22, 1937 (P.L. 1987, No. 394), known as The Clean Streams Law, and known as preparedness, prevention and contingency plans must be revised within one year of the effective date of this act. Thereafter, all plans submitted in accordance with this chapter shall be deemed to have satisfied the requirements of The Clean Streams Law, relating to preparedness, prevention and contingency plans.1989, July 6, P.L. 169, No. 32, § 901, effective in 30 days.