Key points are not available for this paper at this time.
Mary E. Barth, Maureen F. McNichols, Estimation and Market Valuation of Environmental Liabilities Relating to Superfund Sites, Journal of Accounting Research, Vol. 32, Studies on Accounting, Financial Disclosures, and the Law (1994), pp. 177-209
Barth et al. (Sat,) studied this question.