The department and the State Department of Health Services shall jointly review the existing federal and state pesticide registration and food safety system and determine if the existing programs adequately protect infants and children from dietary exposure to pesticide residues. The review shall commence as early as possible in 1990, so that any policy or administrative adjustments determined to be necessary as a result of the joint review can be made on a timely basis. The department shall consult with the University of California and other qualified public and private entities in conducting the joint review. The joint review shall continue for a sufficient time in order to evaluate the report of infant exposure to pesticide residues, which is presently being undertaken by the National Academy of Sciences. Within six months of the official release of the National Academy of Sciences’ study, the department shall finalize a report describing the evaluation that was conducted pursuant to this section, including any recommendations for modification of the existing regulatory system in order to adequately protect infants and children.