Section 52.1159 - Enhanced Motor Vehicle Inspection and Maintenance(a) Revisions submitted by the Massachusetts Department of Environmental Protection on October 20, 2000, to the motor vehicle inspection and maintenance program are approved:(1) Letter from the Massachusetts Department of Environmental Protection dated October 20, 2000 submitting a revision to the Massachusetts State Implementation Plan.(2) Document entitled "Quality Assurance and Quality Control Plan For the Massachusetts Enhanced Emissions and Safety Inspection Program," dated October 16, 2000.(3) Document entitled "Program Evaluation Plans For the Enhanced Inspection and Maintenance Program," dated October 2000, and supporting contracts. 65 FR 69257 , Nov. 16, 2000