[Code of Federal Regulations] [Title 40, Volume 17] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR86.130-78] [Page 506-507] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 86_CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINES--Table of Contents Subpart B_Emission Regulations for 1977 and Later Model Year New Light- Sec. 86.130-78 Test sequence; general requirements. The test sequence shown in figure B78-10 shows the steps encountered as the test vehicle undergoes the procedures subsequently described to determine conformity with the standards set forth. Ambient temperature levels encountered by the test vehicle shall not be less than 68 [deg]F (20 [deg]C) nor more than 86 [deg]F (30 [deg]C). The temperatures monitored during testing must be representative of those experienced by the test vehicle. The vehicle shall be approximately level during all phases of the test sequence to prevent abnormal fuel distribution. [[Page 507]] [GRAPHIC] [TIFF OMITTED] TR06OC93.162