An auditor may, subject to the terms of an approval under division 2 —
(a) conduct environmental audits and prepare environmental reports about audits under chapter 7 , part 2 , division 2 ; and
(b) prepare an auditor’s certification for a contaminated land investigation document under chapter 7 , part 8 ; and
(c) audit or evaluate another matter or thing prescribed under a regulation and prepare a report or written certification about the audit or evaluation.