The South Coast Air Quality Management District, the Union Pacific Railroad, and the Burlington Northern Santa Fe Railway shall each reimburse the state board for its costs of implementing the pilot program established pursuant to this chapter. The Union Pacific Railroad and the Burlington Northern Santa Fe Railway shall reimburse the state board for 25 percent of those costs, but the reimbursement shall not to exceed a total of two hundred thousand dollars ($200,000) for both railroads. The South Coast Air Quality Management District shall reimburse the state board for the balance of the costs of implementing the pilot program, but the reimbursement shall not exceed a total of three hundred thousand dollars ($300,000). Funds provided by the Union Pacific Railroad and Burlington Northern Santa Fe Railway shall be used only to reimburse the state board for the costs of planning, implementing, evaluating, and reporting the results of, the pilot program as it relates to the testing of locomotives operated by those railroads.