For purposes of this chapter, the following terms have the following meanings, unless expressly stated otherwise:
(a) “Administering agency” means a public agency principally tasked with administering, planning, developing, and operating a public works project.
(b) “Peer review group” means a group of persons qualified by training and experience in particular scientific or technical fields related to the public works project under review, who give expert advice on the scientific and technical aspects of the public works project.