06- 096 C.M.R. ch. 111, § 2

Current through 2024-51, December 18, 2024

Section 096-111-2 - Prohibition

A. No owner or operator of a fixed roof storage vessel shall permit or suffer the use of such vessels unless:

(1) The vessels have been retrofitted with an internal floating roof equipped with a closure seal, or seals, to reduce the visual space between the roof edge and tank wall; or the vessels have been retrofitted with equally effective alternative control as approved by the Commissioner and the United States Environmental Protection Agency;

(2) The vessel is maintained such that there are no visible holes, tears, or other openings in the seal or any seal fabric or materials;

(3) All openings except stub drains are equipped with covers, lids, or seals such that:

(a) the cover, lid, or seal is in the closed position at all times except when in actual use;

(b) automatic bleeder vents are closed at all times except when the roof is being floated off or being landed on the roof leg supports; and

(c) rim vents, if provided, are set to open only when the roof is being floated off the roof leg supports or at the manufacturer's recommended setting;

(4) Routine visual inspections are conducted through roof hatches once every month; and

(5) A complete inspection of cover and seal is performed at least once every ten (10) years and each time the vessel is emptied and degassed. These inspections shall be conducted by visually inspecting the floating roof deck, deck fittings, and rim seals from within the storage vessel. The inspection may be performed entirely from the top side of the floating roof, as long as there is visual access to all deck components.

B.Between January 1, 2000 and December 31, 2003, the Department shall be notified seventy-two (72) hours in advance of plans to empty and degas any storage vessel, and no owner or operator of any fixed roof storage vessel shall empty and degas any storage vessel for the purpose of performing a complete inspection on those days for which the Department has issued an ozone health warning pursuant to 38 MRSA §584-F.

C. Beginning January 1, 2004, no owner or operator of any fixed roof storage vessel shall empty and degas any storage vessel for the purpose of performing a complete inspection between June 1 and August 31 of each calendar year.

D.Notwithstanding subsections (2)(B) and (2)(C) of this Chapter, an owner or operator may empty and degas a fixed roof storage vessel for the purpose of performing a repair which is immediately necessary for the proper function of the vessel. An owner or operator must notify the Department within 24 hours if a fixed roof storage vessel is emptied and degassed under this section.

06- 096 C.M.R. ch. 111, § 2