Most people familiar with state cleanup laws or the federal counterpart, CERCLA, are familiar with four general classes of liable parties:

1) Owners or operators of contaminated facilities;

2) Past owners or operators of facilities at the time of release or disposal of hazardous substances;

3) Parties that arranged for disposal of hazardous substances at…

Washington’s Supreme Court issued an opinion today upholding the constitutionality of the hazardous substances tax (“HST”) imposed by the voter-approved Model Toxics Control Act. The HST is imposed by MTCA at a rate of seven tenths of one percent on the first in-state possession of any hazardous substance (including gasoline), calculated on the wholesale value…