U.S. Code
Regulations
Constitution
Journal
Apps
Regulations
U.S. Code
Regulations
menu
Regulations
All Titles
title 40
Protection of Environment
chapter I-i36
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
part 1065
PART 1065—ENGINE-TESTING PROCEDURES
subpart L
Subpart L—Methods for Unregulated and Special Pollutants and Additional Procedures
subjgrp 36
Smoke Opacity
Subjgrp 36. Smoke Opacity
§ 1065.1123 - General provisions for determining exhaust opacity.
§ 1065.1125 - Exhaust opacity measurement system.
§ 1065.1127 - Test procedure for determining percent opacity.
