Section 25322.2 Of Article 2. Definitions From California Health And Safety Code >> Division 20. >> Chapter 6.8. >> Article 2.

. "Remedial investigation" means those actions deemed necessary by the department to determine the full extent of a hazardous substance release at a site, identify the public health and environment threat posed by the release, collect data on possible remedies, and otherwise evaluate the site for purposes of developing a remedial action plan.