U.S. Code of Federal Regulations

Regulations most recently checked for updates: Feb 11, 2026

All TitlesTitle 40Chapter IPart 1065Subpart L - Subpart L—Methods for Unregulated and Special Pollutants and Additional Procedures

SEMI-VOLATILE ORGANIC COMPOUNDS
§ 1065.1103 - General provisions for SVOC measurement.
§ 1065.1105 - Sampling system design.
§ 1065.1107 - Sample media and sample system preparation; sample system assembly.
§ 1065.1109 - Post-test sampler disassembly and sample extraction.
§ 1065.1111 - Sample analysis.
§ 1065.1101 - Applicability.

VANADIUM SUBLIMATION IN SCR CATALYSTS
§ 1065.1113 - General provisions related to vanadium sublimation temperatures in SCR catalysts.
§ 1065.1115 - Reactor design and setup.
§ 1065.1117 - Reactor aging cycle for determination of vanadium sublimation temperature.
§ 1065.1119 - Blank testing.
§ 1065.1121 - Vanadium sample dissolution and analysis in alumina capture beds.

SMOKE OPACITY
§ 1065.1123 - General provisions for determining exhaust opacity.
§ 1065.1125 - Exhaust opacity measurement system.
§ 1065.1127 - Test procedure for determining percent opacity.

ACCELERATED AFTERTREATMENT AGING
§ 1065.1131 - General provisions related to accelerated aging of compression-ignition aftertreatment for deterioration factor determination.
§ 1065.1133 - Application selection, data gathering, and analysis.
§ 1065.1135 - Determination of key aftertreatment system components.
§ 1065.1137 - Determination of thermal reactivity coefficient.
§ 1065.1139 - Aging cycle generation.
§ 1065.1141 - Facility requirements for engine-based aging stands.
§ 1065.1143 - Requirements for burner-based aging stands.
§ 1065.1145 - Execution of accelerated aging, cycle tracking, and cycle validation criteria.
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