Section 25321 Of Article 2. Definitions From California Health And Safety Code >> Division 20. >> Chapter 6.8. >> Article 2.

. "Release" does not include any of the following:
  (a) Any release that results in exposure to persons solely within a workplace, with respect to a claim those exposed persons may assert against their employer.
  (b) Emissions from the engine exhaust of a motor vehicle, rolling stock, aircraft, vessel, or pipeline pumping station engine.
  (c) Release of source, byproduct, or special nuclear material from a nuclear incident, as those terms are defined in the Atomic Energy Act of 1954 (42 U.S.C. Sec. 2011, et seq.), if such release is subject to requirements with respect to financial protection established by the Nuclear Regulatory Commission under Section 2210 of Title 42 of the United States Code or, for the purposes of Section 104 of the federal act (42 U.S.C. Sec. 9604) or any other response action, any release of source byproduct, or special nuclear material from any processing site designated under Section 7912(a)(1) or 7942 (a) of Title 42 of the United States Code, which sections are a part of the Uranium Mill Tailings Radiation Control Act of 1978.
  (d) The normal application of fertilizer, plant growth regulants, and pesticides.