CA Pub Cont Code Section 10407

Every procuring agency shall require that purchases of lubricating oil and industrial oil be made from the seller whose oil product contains the greater percentage of recycled oil, unless the procuring agency certifies that a specific oil product containing recycled oil is any of the following:

(1)

Not reasonably available within a reasonable period of time.

(2)

Unable to meet the reasonable performance standards of the procuring agency, including any warranty requirement.

(3)

Available only at a cost greater than the cost of available virgin oil products.