Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 734 - PETROLEUM UNDERGROUND STORAGE TANKS › Subpart D - MISCELLANEOUS PROVISIONS › Section 734.405 - Indicator Contaminants

Current through Register Vol. 48, No. 28, July 12, 2024
a) For
				purposes of this Part, the term "indicator contaminants" must mean the
				parameters identified in subsections (b) through (i) of this Section.
b) For gasoline, including but not limited to
				leaded, unleaded, premium and gasohol, the indicator contaminants must be
				benzene, ethylbenzene, toluene, total xylenes, and methyl tertiary butyl ether
				(MTBE), except as provided in subsection (h) of this Section. For leaded
				gasoline, lead must also be an indicator contaminant.
c) For aviation turbine fuels, jet fuels,
				diesel fuels, gas turbine fuel oils, heating fuel oils, illuminating oils,
				kerosene, lubricants, liquid asphalt and dust laying oils, cable oils, crude
				oil, crude oil fractions, petroleum feedstocks, petroleum fractions, and heavy
				oils, the indicator contaminants must be benzene, ethylbenzene, toluene, total
				xylenes, and the polynuclear aromatics listed in Appendix B of this Part. For
				leaded aviation turbine fuels, lead must also be an indicator
				contaminant.
d) For transformer
				oils the indicator contaminants must be benzene, ethylbenzene, toluene, total
				xylenes, and the polynuclear aromatics and the polychlorinated biphenyl
				parameters listed in Appendix B of this Part.
e) For hydraulic fluids the indicator
				contaminants must be benzene, ethylbenzene, toluene, total xylenes, the
				polynuclear aromatics listed in Appendix B of this Part, and barium.
f) For petroleum spirits, mineral spirits,
				Stoddard solvents, high-flash aromatic naphthas, moderately volatile
				hydrocarbon solvents, and petroleum extender oils, the indicator contaminants
				must be the volatile, base/neutral and polynuclear aromatic parameters listed
				in Appendix B of this Part. The Agency may add degradation products or mixtures
				of any of the above pollutants in accordance with 35 Ill. Adm. Code
				620.615.
g) For used oil, the indicator contaminants
				must be determined by the results of a used oil soil sample analysis. In
				accordance with Section
				734.210(h)
				of this Part, soil samples must be collected from the walls and floor of the
				used oil UST excavation if the UST is removed, or from borings drilled along
				each side of the used oil UST if the UST remains in place. The sample that
				appears to be the most contaminated as a result of a release from the used oil
				UST must then be analyzed for the following parameters. If none of the samples
				appear to be contaminated, a soil sample must be collected from the floor of
				the used oil UST excavation below the former location of the UST if the UST is
				removed, or from soil located at the same elevation as the bottom of the used
				oil UST if the UST remains in place, and analyzed for the following parameters:
1) All volatile, base/neutral, polynuclear
				aromatic, and metal parameters listed at Appendix B of this Part and any other
				parameters the Licensed Professional Engineer or Licensed Professional
				Geologist suspects may be present based on UST usage. The Agency may add
				degradation products or mixtures of any of the above pollutants in accordance
				with 35 Ill. Adm. Code 620.615.
2)
				The used oil indicator contaminants must be those volatile, base/neutral, and
				metal parameters listed at Appendix B of this Part or as otherwise identified
				at subsection (g)(1) of this Section that exceed their remediation objective at
				35 Ill. Adm. Code 742 in addition to benzene, ethylbenzene, toluene, total
				xylenes, and polynuclear aromatics listed in Appendix B of this Part.
3) If none of the parameters exceed their
				remediation objective, the used oil indicator contaminants must be benzene,
				ethylbenzene, toluene, total xylenes, and the polynuclear aromatics listed in
				Appendix B of this Part.