49 C.F.R. Appendix A to Part 210—Summary of Noise Standards, 40 CFR Part 201
Title 49 - Transportation
[48 FR 56758, Dec. 23, 1983; 49 FR 1521, Jan. 12, 1984]
Title 49: Transportation
PART 210—RAILROAD NOISE EMISSION COMPLIANCE REGULATIONS
Subpart B—Inspection and Testing
Appendix A to Part 210—Summary of Noise Standards, 40 CFR Part 201
---------------------------------------------------------------------------------------------------------------- Noise standard_A weighted Paragraph and section Noise source sound Noise measure \1\ Measurement location level in dB---------------------------------------------------------------------------------------------------------------- All Locomotives Manufactured on or Before 31 December 1979201.11(a).................. Stationary, Idle 73 Lmax (slow)............ 30 m (100 ft) Throttle Setting.201.11(a).................. Stationary, All Other 93 ......do............... Do. Throttle Settings.201.12(a).................. Moving................ 96 Lmax (fast)............ Do. All Locomotives Manufactured After 31 December 1979201.11(b).................. Stationary, Idle 70 Lmax (slow)............ Do. Throttle Setting.201.11(b).................. Stationary, All Other 87 ......do............... Do. Throttle Settings.201.12(b).................. Moving................ 90 Lmax (fast)............ Do.201.11(c) and 201.12(c).... Additional Requirement 65 L90 (fast) \2\......... Receiving property for Switcher Locomotives Manufactured on or Before 31 December 1979 Operating in Yards Where Stationary Switcher and other Locomotive Noise Exceeds the Receiving Property Limit of.201.11(c).................. Stationary, Idle 70 Lmax (slow)............ 30 m (100 ft) Throttle Setting.201.11(c).................. Stationary, All Other 87 ......do............... Do. Throttle Settings.201.12(c).................. Moving................ 90 Lmax (fast)............ Do. Rail Cars201.13(1).................. Moving at Speeds of 45 88 ......do............... Do. mph or Less.201.13(2).................. Moving at Speeds 93 ......do............... Do. Greater than 45 mph. Other Yard Equipment and Facilities201.14..................... Retarders............. 83 Ladjavemax (fast)...... Receiving property201.15..................... Car-Coupling 92 ......do............... Do. Operations.201.16..................... Locomotive Load Cell 65 L90 (fast) \2\......... Do. Test Stands, Where the Noise from Locomotive Load Cell Operations Exceeds the Receiving Property Limits of.201.16(a).................. Primary Standard...... 78 Lmax (slow)............ 30 m (100 ft).201.16(b).................. Secondary Standard if 65 L90 (fast)............. Receiving property 30-m Measurement Not located more than 120 Feasible. m from Load Cell.----------------------------------------------------------------------------------------------------------------\1\ Lmax=Maximum sound level; L90=Statistical sound level exceeded 90% of the time; Ladjavemax=Adjusted average maximum sound level.\2\ L90 must be validated by determining that L10-L99 is less than or equal to 4dB (A).
