Illinois Administrative Code › Title 41 - FIRE PROTECTION › Part 175 - TECHNICAL REQUIREMENTS FOR UNDERGROUND STORAGE TANKS AND THE STORAGE, TRANSPORTATION, SALE AND USE OF PETROLEUM AND OTHER REGULATED SUBSTANCES › Subpart G - REPAIRS TO UNDERGROUND STORAGE TANKS AND DEFECTIVE EQUIPMENT › Section 175.700 - Repairs Allowed

Current through Register Vol. 48, No. 28, July 12, 2024
Owners and operators of USTs shall ensure that repairs will
				  prevent releases due to structural failure or corrosion as long as the UST is
				  used to store regulated substances. Any hole or penetration made into a tank,
				  including, but not limited to, any bung openings or any entrance way
				  established for interior lining inspection, shall be installed and closed as
				  per this Section.
a) All repairs to
				USTs shall be properly conducted in accordance with manufacturer's recommended
				procedures and a code of practice developed by a nationally recognized
				association or an independent testing laboratory and 41 Ill. Adm. Code 172,
				174, 175, 176 and 177. For repairs involving tank penetration or tank entry,
				the vapor freeing and inerting procedures and related requirements of Sections
				175.500(a) and
				(c) and
				175.830(a)
				shall be followed. No welding or cutting will be allowed inside the tank in
				conducting repairs.
b) Repairs to
				fiberglass-reinforced plastic tanks shall be made by the manufacturer's
				authorized representative or a representative of any fiberglass tank
				manufacturer in accordance with a code of practice developed by a nationally
				recognized association or an independent testing laboratory.
c) Metal pipe sections and fittings that have
				released product as a result of corrosion or other damage shall be replaced.
				The entire pipe run shall be replaced upon finding a second corrosion-related
				piping leak in the wall of the same pipe run. Noncorrodible pipes and fittings
				may be repaired in accordance with the manufacturer's specifications. All
				repairs shall comply with the requirements of Section
				175.420.
d) Repairs to secondary containment areas of
				tanks and piping used for interstitial monitoring must have the secondary
				containment tested for tightness according to the instructions of the
				manufacturer of the tanks or piping, or a code of practice developed by a
				nationally recognized association or independent testing laboratory, prior to
				being brought back into use and within 30 days following the date of completion
				of the repair. All other repairs to tanks and piping must be precision tested
				in accordance with Sections
				175.630(b) and
				175.640(a)(4)
				prior to being brought back into use and within 30 days following the date of
				the completion of the repair.
e)
				Within 6 months following the repair of any cathodically protected UST system,
				the cathodic protection system must be tested in accordance with Section
				175.510(f) to
				ensure that it is operating properly.
f) All repaired spill prevention equipment
				and all repaired containment sumps shall be tested for being liquid-tight
				before being put back into operation. All repaired overfill prevention
				equipment shall be inspected before being put back into operation to insure it
				is operating properly. The testing or inspection described in this subsection
				shall be done according to the respective requirements of Sections
				175.405 and
				175.410.
g) UST owners or operators shall maintain
				records of each repair for the remaining operating life of the UST that
				demonstrate compliance with the requirements of this Section. The last 2 years
				of records shall be retained on site.
h) All materials used to make necessary
				repairs shall comply with Subpart D of this Part.
i) When a tank is determined to be leaking,
				it can be permanently abandoned-in-place (subject to Section
				175.840), removed (subject to
				Section 175.830), replaced (subject to Section 175. Subpart D) or repaired
				(subject to this Section).
j)
				Removal or abandonment-in-place of a leaking tank shall be in compliance with
				Sections 175.830 and 175.840. Leaking
				piping shall be removed or abandoned-in-place in compliance with these
				Sections.