Ohio Administrative Code › Title 3745 - Ohio Environmental Protection Agency › Chapter 3745-66 - Closure and Post-Closure Under Interim Standards › Section 3745-66-92 - Design and installation of new tank systems or components

Current through all regulations passed and filed through July 1, 2024
(A)
			 Owners or operators of new tank systems or components
			 
								shall
			 ensure that the foundation, structural support, seams, connections, and
			 pressure controls (if applicable) are adequately designed and that the tank
			 system has sufficient structural strength, compatibility with the
			 
								wastes to be stored or treated, and corrosion
			 protection so that 
								the tank system will not collapse, rupture, or
			 fail. The owner or operator 
								shall obtain a written assessment reviewed and
			 certified by a qualified professional engineer in accordance with paragraph (D)
			 of rule
			 3745-50-42
			 of the Administrative Code attesting that the system has sufficient structural
			 integrity and is acceptable for the storing and treating of hazardous waste.
			 This assessment 
								shall  include the following information:
(1) Design 
									standards
			 according to which the 
									tanks and ancillary equipment is or will be
			 constructed.
(2)
			 Hazardous characteristics of the 
									wastes to be handled.
(3) For new tank systems or components in
			 which the external shell of a metal tank or any external metal component of the
			 tank system is or will be in contact with the soil or with water, a
			 determination by a corrosion expert of:
(a)
			 Factors affecting the potential for corrosion including but not limited to:
(i) Soil moisture content;
(ii) Soil pH;
(iii) Soil sulfides level;
(iv) Soil resistivity;
(v) Structure to soil potential;
(vi) Influence of nearby underground metal
			 structures (e.g., piping);
(vii)
			 Stray electric current; and
(viii)
			 Existing corrosion-protection measures (e.g., coating, cathodic protection);
			 and
(b) The type and
			 degree of external corrosion protection that are needed to ensure the integrity
			 of the tank system during the use of the tank system or component, consisting
			 of one or more of the following:
(i)
			 Corrosion-resistant materials of construction such as special alloys,
			 fiberglass-reinforced plastic;
(ii)
			 Corrosion-resistant coating (such as epoxy
											or fiberglass) with cathodic protection (e.g.,
			 impressed current or sacrificial anodes); and
(iii) Electrical isolation devices such as
			 insulating joints and flanges.
[Comment: The practices described in the "National Association
				of Corrosion Engineers (NACE)" standard, "Recommended Practice (RP-02-85) -
				Control of External Corrosion on Metallic Buried, Partially Buried, or
				Submerged Liquid Storage Systems," and the "American Petroleum Institute (API)"
				publication 1632, "Cathodic Protection of Underground Petroleum Storage Tanks
				and Piping Systems," may be used, where applicable, as guidelines in providing
				corrosion protection for tank systems.]
(4) For underground tank system components
			 that are likely to be affected by vehicular traffic, a determination of design
			 or operational measures that will protect the tank system against potential
			 damage;
			 and
(5) Design considerations to
			 ensure that:
(a) Tank foundations will
			 maintain the 
										load of a full tank;
(b) Tank systems will be anchored to prevent
			 flotation or dislodgement where the tank system is placed in a saturated zone,
			 or is located within a seismic fault zone; and
(c) Tank systems will withstand the effects
			 of frost heave.