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Environmental Obligations
 9 Months Ended
Sep. 30, 2024
Environmental Remediation Obligations [Abstract]  
Environmental Obligations

NOTE 7. — ENVIRONMENTAL OBLIGATIONS

We are subject to numerous federal, state and local laws and regulations, including matters relating to the protection of the environment such as the remediation of known contamination and the retirement and decommissioning or removal of long-lived assets including buildings containing hazardous materials, USTs and other equipment. Environmental costs are principally attributable to remediation costs which are incurred for, among other things, removing USTs, excavation of contaminated soil and water, installing, operating, maintaining and decommissioning remediation systems, monitoring contamination and governmental agency compliance reporting required in connection with contaminated properties.

We enter into leases and various other agreements which contractually allocate responsibility between the parties for known and unknown environmental liabilities at or relating to the subject properties. Under applicable law, we are contingently liable for these environmental obligations in the event that our tenant does not satisfy them, and we are required to accrue for environmental liabilities that we believe are allocable to others under our leases if we determine that it is probable that our tenant will not meet its environmental obligations. It is possible that our assumptions regarding the ultimate allocation method and share of responsibility that we used to allocate environmental liabilities may change, which may result in material adjustments to the amounts recorded for environmental litigation accruals and environmental remediation liabilities. We assess whether to accrue for environmental liabilities based upon relevant factors including our tenants’ histories of paying for such obligations, our assessment of their financial capability, and their intent to pay for such obligations. However, there can be no assurance that our assessments are correct or that our tenants who have paid their obligations in the past will continue to do so. We may ultimately be responsible to pay for environmental liabilities as the property owner if our tenant fails to pay them.

The estimated future costs for known environmental remediation requirements are accrued when it is probable that a liability has been incurred and a reasonable estimate of fair value can be made. The accrued liability is the aggregate of our estimate of the fair value of cost for each component of the liability, net of estimated recoveries from state UST remediation funds considering estimated recovery rates developed from prior experience with the funds.

For substantially all of our triple-net leases, our tenants are contractually responsible for compliance with environmental laws and regulations, removal of USTs at the end of their lease term (the cost of which is mainly the responsibility of our tenant, but in certain cases partially paid for by us) and remediation of any environmental contamination that arises during the term of their tenancy. In addition, for substantially all of our triple-net leases, our tenants are contractually responsible for known environmental contamination that existed at the commencement of the lease and for preexisting unknown environmental contamination that is discovered during the term of the lease.

For the subset of our triple-net leases which cover properties previously leased to Marketing (substantially all of which commenced in 2012), the allocation of responsibility differs from our other triple-net leases as it relates to preexisting known and unknown contamination. Under the terms of our leases covering properties previously leased to Marketing, we agreed to be responsible for environmental contamination that was known at the time the lease commenced, and for unknown environmental contamination which existed prior to commencement of the lease and which is discovered (other than as a result of a voluntary site investigation) during the first 10 years of the lease term (or a shorter period for a minority of such leases) (a “Lookback Period”). Similarly, for certain properties previously leased to Marketing which we have sold, we have agreed to be responsible for environmental contamination that was known at the time of the sale and for unknown environmental contamination which existed prior to the sale and which is discovered (other than as a result of a voluntary site investigation) within 5 years of the closing (also, a “Lookback Period”). After expiration of the applicable Lookback Period, responsibility for all newly discovered contamination at these properties, even if it relates to periods prior to commencement of the lease or sale, is the contractual responsibility of our tenant or buyer as the case may be.

Based on the expiration of the Lookback Periods, together with other factors which have significantly mitigated our potential liability for preexisting environmental obligations, including the absence of any contractual obligations relating to properties which have been sold, quantifiable trends associated with types and ages of USTs at issue, expectations regarding future UST replacements, and historical trends and expectations regarding discovery of preexisting unknown environmental contamination and/or attempted pursuit of the Company therefore, we concluded that there is no material continued risk of having to satisfy contractual obligations relating to preexisting unknown environmental contamination at certain properties. Accordingly, as of September 30, 2024, we had removed $24.2 million of unknown reserve liabilities which had previously been accrued for these properties.

We continue to anticipate that our tenants under leases where the Lookback Periods have expired will replace USTs in the years ahead as these USTs near the end of their expected useful lives. At many of these properties the USTs in use were fabricated with older

generation materials and technologies and we believe it is prudent to expect that upon their removal preexisting unknown environmental contamination will be identified. Although contractually these tenants are now responsible for preexisting unknown environmental contamination that is discovered during UST replacements, because the applicable Lookback Periods have expired before the end of the initial term of these leases, together with other relevant factors, we believe there remains continued risk that we will be responsible for remediation of preexisting environmental contamination associated with future UST removals at certain properties. Accordingly, we believe it is appropriate at this time to maintain $11.8 million of unknown reserve liabilities for certain properties with respect to which the Lookback Periods have expired as of September 30, 2024.

In the course of UST removals and replacements at certain properties previously leased to Marketing where we retained responsibility for preexisting unknown environmental contamination until expiration of the applicable Lookback Period, environmental contamination has been and continues to be discovered. As a result, we developed an estimate of fair value for the prospective future environmental liability resulting from preexisting unknown environmental contamination and accrued for these estimated costs. These estimates are based primarily upon quantifiable trends which we believe allow us to make reasonable estimates of fair value for the future costs of environmental remediation resulting from the anticipated removal and replacement of USTs. Our accrual of this future environmental liability represents our estimate of the fair value of the cost for each component of the liability, net of estimated recoveries from state UST remediation funds considering estimated recovery rates developed from prior experience. In arriving at our accrual, we analyzed the ages and expected useful lives of USTs at properties where we would be responsible for preexisting unknown environmental contamination and we projected a cost to closure for remediation of such contamination.

We measure our environmental remediation liabilities at fair value based on expected future net cash flows, adjusted for inflation and then discount them to present value. We adjust our environmental remediation liabilities quarterly to reflect changes in projected expenditures, changes in present value due to the passage of time and reductions in estimated liabilities as a result of actual expenditures incurred during each quarter. As of September 30, 2024, we had accrued a total of $20.8 million for our prospective environmental remediation obligations. This accrual consisted of (a) $9.0 million, which was our estimate of reasonably estimable environmental remediation liability, including obligations to remove USTs for which we are responsible, net of estimated recoveries and (b) $11.8 million for future environmental liabilities related to preexisting unknown contamination. As of December 31, 2023, we had accrued a total of $22.4 million for our prospective environmental remediation obligations. This accrual consisted of (a) $9.9 million, which was our estimate of reasonably estimable environmental remediation liability, including obligations to remove USTs for which we are responsible, net of estimated recoveries and (b) $12.5 million for future environmental liabilities related to preexisting unknown contamination.

Environmental liabilities are accreted for the change in present value due to the passage of time and, accordingly, $0.3 million and $0.4 million of net accretion expense was recorded for the nine months ended September 30, 2024 and 2023, respectively, which is included in environmental expenses. In addition, during the nine months ended September 30, 2024 and 2023, we recorded credits to environmental expenses aggregating $0.8 million and $0.2 million, respectively, where decreases in estimated remediation costs exceeded the depreciated carrying value of previously capitalized asset retirement costs. For the nine months ended September 30, 2024 and 2023, changes in environmental estimates aggregating $0.1 million and $40 thousand, respectively, were related to properties that were previously disposed of by us. Environmental expenses also include project management fees, legal fees, and environmental litigation accruals.

During the nine months ended September 30, 2024 and 2023, we increased the carrying values of certain of our properties by $1.9 million and $3.2 million, respectively, due to changes in estimated environmental remediation costs. The recognition and subsequent changes in estimates in environmental liabilities and the increase or decrease in carrying values of the properties are non-cash transactions which do not appear on our consolidated statements of cash flows.

Capitalized asset retirement costs are being depreciated over the estimated remaining life of the UST, a 10-year period if the increase in carrying value is related to environmental remediation obligations or such shorter period if circumstances warrant, such as the remaining lease term for properties we lease from others. Depreciation and amortization expense related to capitalized asset retirement costs on our consolidated statements of operations for the nine months ended September 30, 2024 and 2023, were $2.0 million and $2.2 million, respectively. Capitalized asset retirement costs were $33.6 million (consisting of $25.4 million of known environmental liabilities and $8.2 million of reserves for future environmental liabilities) as of September 30, 2024, and $34.3 million (consisting of $25.8 million of known environmental liabilities and $8.5 million of reserves for future environmental liabilities) as of December 31, 2023. We recorded impairment charges aggregating $1.6 million and $2.3 million for the nine months ended September 30, 2024 and 2023, respectively, for capitalized asset retirement costs.

Environmental exposures are difficult to assess and estimate for numerous reasons, including the amount of data available upon initial assessment of contamination, alternative treatment methods that may be applied, location of the property which subjects it to differing local laws and regulations and their interpretations, changes in costs associated with environmental remediation services and equipment, the availability of state UST remediation funds and the possibility of existing legal claims giving rise to allocation of responsibilities to others, as well as the time it takes to remediate contamination and receive regulatory approval. In developing our liability for estimated environmental remediation obligations on a property by property basis, we consider, among other things, laws and regulations, assessments of contamination and surrounding geology, quality of information available, currently available technologies for treatment, alternative methods of remediation and prior experience. Environmental accruals are based on estimates

derived upon facts known to us at this time, which are subject to significant change as circumstances change, and as environmental contingencies become more clearly defined and reasonably estimable.

Any changes to our estimates or our assumptions that form the basis of our estimates may result in our providing an accrual, or adjustments to the amounts recorded, for environmental remediation liabilities.

In July 2012, we purchased a 10-year pollution legal liability insurance policy covering substantially all of our properties at that time for discovery of preexisting unknown environmental liabilities and for new environmental events. The policy had a $50.0 million aggregate limit and was subject to various self-insured retentions and other conditions and limitations. This policy expired in July 2022, although claims made prior to such expiration remain subject to coverage. In September 2022, we purchased a 5-year pollution legal liability insurance policy to cover a subset of our properties which we believe present the greatest risk for discovery of preexisting unknown environmental liabilities and for new environmental events. The policy has a $25.0 million in aggregate limit and is subject to various self-insured retentions and other conditions and limitations. Our intention in purchasing this policy was to obtain protection for certain properties which we believe have the greatest risk of significant environmental events.

In light of the uncertainties associated with environmental expenditure contingencies, we are unable to estimate ranges in excess of the amount accrued with any certainty; however, we believe that it is possible that the fair value of future actual net expenditures could be substantially higher than amounts currently recorded by us. Adjustments to accrued liabilities for environmental remediation obligations will be reflected on our consolidated financial statements as they become probable and a reasonable estimate of fair value can be made.