CA Health & Safety Code Section 25395.94

(a)

(1)A person who enters into an agreement pursuant to this article with an agency for the oversight of a site assessment shall submit a site assessment plan to the agency to conduct a site assessment of the site in accordance with the requirements of this section.

(2)

If the agency requires a health risk assessment as part of that agreement, the health assessment shall be prepared in accordance with subdivisions (b), (c), and (d) of Section 25356.1.5.

(b)

The site assessment plan shall provide for the evaluation of all of the following:

(1)

Whether a release of hazardous materials has occurred at the site, a threat of a release of hazardous materials exists at the site, or there is a threat of a release of hazardous materials from the site.

(2)

If a release or threatened release of hazardous materials exists at the site or there is a release or a threatened release from the site, whether the release or threatened release poses an unreasonable risk to public health and safety or the environment.

(c)

The site assessment plan shall also include all of the following:

(1)

Adequate characterization of the hazardous materials released or threatened to be released at, or from, the site and documentation of the findings.

(2)

Reasonably available information about the site, including, where appropriate, a risk assessment that evaluates the risk posed by any hazardous materials released or threatened to be released at, or from, the site, and information regarding reasonably anticipated foreseeable uses of the site based on current and projected land use and zoning designations.

(3)

If the release has impacted groundwater, reasonable characterization of underlying groundwater, including present and anticipated beneficial uses of that water.

(d)

A person shall submit the site assessment plan to the agency for review and approval.

(e)

The agency shall evaluate the adequacy of the site assessment plan to ensure that it contains all necessary information.

(f)

After evaluating the site assessment plan, if the agency finds that the site assessment plan is adequate, the agency shall approve the site assessment plan and provide notification to appropriate persons, including notification of any public water system that relies on impacted groundwater for public drinking water purposes.