Pub. Resources Code, § 3280

For purposes of this article, the following definitions apply:

(a) “Area” means surface area, and all measurement of distances is on the surface of the land.

(b) “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) “Sensitive receptor” means any of the following:

(1) A residence, including a private home, condominium, apartment, and living quarter.

(2) An education resource, including a preschool, school maintaining transitional kindergarten, kindergarten, or any of grades 1 to 12, inclusive, daycare center, park, playground, university, and college. Where a university or college is the only sensitive receptor within 3,200 feet of the operator’s wellheads or production facilities, the university or college is not a sensitive receptor if the operator demonstrates to the division’s satisfaction that no building with nominal daily occupancy on the university or college campus is located within 3,200 feet of the operator’s wellheads or production facilities.

(3) A community resource center, including a youth center.

(4) A health care facility, including a hospital, retirement home, and nursing home.

(5) Live-in housing, including a long-term care hospital, hospice, prison, detention center, and dormitory.

(6) Any building housing a business that is open to the public.