Announcing our New Mexico Approved PST Training Courses / New Mexico / By Andy Tait We are excited to announce that our New Mexico Class A and Class B Petroleum Storage Tank Training Course has been approved by the NMED Petroleum Storage Tank Bureau! To see our approval, navigate to the NMED Preventing and Addressing Leaks and Spills webpage and select Operator Training to see our approval. To order our training, you should navigate to our New Mexico PST Operator Training page.