(a) hold a current Professional Engineer’s or Professional Geologist’s license or registration from a state or U.S. Territory (or the Commonwealth of Puerto Rico); or
(b) be licensed or certified by a state or U.S. Territory (or the Commonwealth of Puerto Rico) to perform environmental inquiries as defined in §312.21; or
(c) have a Bachelors of Science or Bachelors of Arts degree or higher in relevant disciplines of science, engineering or geology and the equivalent of five (5) years of full-time experience with increasing responsibilities after obtaining the Bachelors degree that includes the performance, review, and oversight of environmental site assessments and subsurface environmental investigations to characterize site conditions and determine the likelihood of a release or threatened release at the property.