California Code of Regulations
Title 14 - Natural Resources
Division 2 - Department of Conservation
Chapter 4 - Development, Regulation, and Conservation of Oil and Gas Resources
Subchapter 2 - Environmental Protection
Article 2.5 - Health Protection Zones. [Suspended; See Section 1765.11]
Section 1765.1 - Definitions

(a) For the purpose of this article, "area" means surface area, and all measurement of distances is on the surface of the land.

(b) For the purpose of this article, "Health Protection Zone" means the area within 3,200 feet of a sensitive receptor. The measurement shall be made from the property line of the receptor unless the receptor building is more than 50 feet set back from the property line, in which case the measurement shall be made from the outline of the building footprint to 3,200 feet in all directions.

(c) For the purposes of this article, a "sensitive receptor" means any of the following:

(d) A park is an education resource for purposes of subdivision (c) if it is an area that is open to the public for outdoor recreation that is at least partially within one-quarter mile of a residence or another education resource. Only the portion of a park that is within one-quarter mile of a residence or another education resource shall be considered a sensitive receptor.

(e) If a building is open to the public, then for purposes of subdivision (c) it is either a business that is open to the public or it is a community resource center. A building is open to the public if visitors are regularly permitted on the premises who are not the owner of the building or a tenant of the building and are not employees, contractors, or service providers of the owner of the building or of a tenant of the building.