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Code of Federal Regulations Title 49. Transportation 49 CFR Pt. 210, App. A—SUMMARY OF NOISE STANDARDS, 40 CFR PART 201

Current as of January 02, 2025 | Updated by Findlaw Staff

Paragraph and section

Noise source

Noise standard–A weighted sound level in dB

Noise measure1

Measurement location

All Locomotives Manufactured on or Before 31 December 1979

201.11(a)․․․․․․․․․․․․․

Stationary, Idle Throttle Setting․․․

73

Lmax (slow)․․․․․

30 m (100 ft)

201.11(a)․․․․․․․․․․․․․

Stationary, All Other Throttle Settings

93

․․․․do․․․․․․․․․․․․․

Do.

201.12(a)․․․․․․․․․․․․․

Moving․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

96

Lmax (fast)․․․․․

Do.

All Locomotives Manufactured After 31 December 1979

201.11(b)․․․․․․․․․․․․․

Stationary, Idle Throttle Setting․․․

70

Lmax (slow)․․․․․

Do.

201.11(b)․․․․․․․․․․․․․

Stationary, All Other Throttle Settings

87

․․․․do․․․․․․․․․․․․․

Do.

201.12(b)․․․․․․․․․․․․․

Moving․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

90

Lmax (fast)․․․․․

Do.

201.11(c) and 201.12(c)

Additional Requirement 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.

65

L90 (fast)2

Receiving property

201.11(c)․․․․․․․․․․․․․

Stationary, Idle Throttle Setting․․․

70

Lmax (slow)․․․․․

30 m (100 ft)

201.11(c)․․․․․․․․․․․․․

Stationary, All Other Throttle Settings

87

․․․․do․․․․․․․․․․․․․

Do.

201.12(c)․․․․․․․․․․․․․

Moving․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

90

Lmax (fast)․․․․․

Do.

Rail Cars

201.13(1)․․․․․․․․․․․․․

Moving at Speeds of 45 mph or Less․․

88

․․․․do․․․․․․․․․․․․․

Do.

201.13(2)․․․․․․․․․․․․․

Moving at Speeds Greater than 45 mph

93

․․․․do․․․․․․․․․․․․․

Do.

Other Yard Equipment and Facilities

201.14․․․․․․․․․․․․․․․․

Retarders․․․․․․․․․․․․․․․․․․․․․․․․․․․

83

Ladj ave max (fast)

Receiving property

201.15․․․․․․․․․․․․․․․․

Car-Coupling Operations․․․․․․․․․․․․․

92

․․․․do․․․․․․․․․․․․․

Do.

201.16․․․․․․․․․․․․․․․․

Locomotive Load Cell Test Stands, Where the Noise from Locomotive Load Cell Operations Exceeds the Receiving Property Limits of

65

L90 (fast)2

Do.

201.16(a)․․․․․․․․․․․․․

Primary Standard․․․․․․․․․․․․․․․․․․․․

78

Lmax (slow)․․․․․

30 m (100 ft).

201.16(b)․․․․․․․․․․․․․

Secondary Standard if 30-m Measurement Not Feasible

65

L90 (fast)․․․․․․

Receiving property located more than 120 m from Load Cell.

1 Lmax=Maximum sound level; L90=Statistical sound level exceeded 90% of the time; Ladj ave max=Adjusted average maximum sound level.

2 L90 must be validated by determining that L10-L99 is less than or equal to 4dB (A).

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Cite this article: FindLaw.com - Code of Federal Regulations Title 49. Transportation 49 CFR Pt. 210, App. A—SUMMARY OF NOISE STANDARDS, 40 CFR PART 201 - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-49-transportation/cfr-pt-49-210-app-a/

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