Cal. Health and Safety Code § 43011.5

(a) Every three years, the state board shall review its existing enforcement of diesel emission control regulations and anticipated enforcement needs for future diesel emission control regulations for manufacturers, owners, or operators of on-road and off-road vehicles and engines to implement the state board’s Diesel Risk Reduction Plan and Emission Reduction Plan for Ports and Goods Movement, and develop a strategic plan for consistent, comprehensive, and fair enforcement of these regulations. (b) The state board shall consult with the districts and the public in developing the plan, and shall review the plan at a public board meeting. (c) The plan shall include, but is not limited to, all of the following: (1) An assessment of the need for additional staff and technology resources at the state board to ensure that the appropriate resources are available to ensure consistent enforcement of diesel emission control regulations for on-road and off-road vehicles and engines throughout the state and in areas where diesel emissions are concentrated. (2) Goals for inspection frequency for the next three years to promote the maximum level of compliance with diesel emission control regulations for on-road and off-road vehicles and engines. (3) An education and outreach component to increase public awareness and understanding of the diesel regulations identified in subdivision (a). The education and outreach component shall include the placement of signs and other materials in multiple languages where appropriate in locations where significant numbers of idling trucks and engines have been found, especially locations near schools and residential communities, to ensure that operators of trucks traveling through the state and other affected individuals and businesses are aware of the state’s diesel engine idling requirements. (4) A training program for local enforcement staff, including, but not limited to, outreach to highway patrol, local police, and local air district staff on enforcement of the state’s diesel engine idling requirements through workshops, educational material, and training sessions in northern and southern California. (d) The state board shall submit the plan prepared pursuant to subdivision (a) to the relevant legislative policy and fiscal committees by January 1, 2009, and every three years thereafter.