S.D. Codified Laws § 36-18A-7
For the purposes of this chapter, the term, practice of petroleum release remediation, means the practice of interpreting assessment results; formulating input data for contaminant models; operating contaminant models and interpreting results; identifying the potential fate of contaminants and environmental transport mechanisms; identifying the environmental risks and health hazards of contaminants and contaminated media; directing or supervising the disposal of contaminated soil and groundwater; evaluating and recommending remediation alternatives; preparing a cost estimate or cost-effective analysis for remedial alternatives; developing soil and groundwater remediation systems; preparing the plans and specifications for remedial systems; directing or supervising the installation, operation, and maintenance of remedial systems; overseeing and directing assessment and remedial activities; signing assessment plans, assessment reports, and remedial action plans; or offering to provide any of the services pursuant to this section. A petroleum release remediator may perform all the functions of a petroleum release assessor.
SDCL 36-18A-7