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Title 49
Volume 5 CHAPTER III SUBCHAP A
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Title 49
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Volume 5
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Chapter III
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Subchapter A
Subchapter A - General Regulations
49:5.1.1.1.1
PART 300-302
PARTS 300-302 [RESERVED]
49:5.1.1.1.2
PART 303
PART 303 - CIVIL RIGHTS
49:5.1.1.1.2.0.1.1
SECTION 303.1
303.1 Purpose.
49:5.1.1.1.2.0.1.2
SECTION 303.3
303.3 Application of this part.
49:5.1.1.1.3
PART 325
PART 325 - COMPLIANCE WITH INTERSTATE MOTOR CARRIER NOISE EMISSION STANDARDS
49:5.1.1.1.3.1
SUBPART A
Subpart A - General Provisions
49:5.1.1.1.3.1.1.1
SECTION 325.1
325.1 Scope of the rules in this part.
49:5.1.1.1.3.1.1.2
SECTION 325.3
325.3 [Reserved]
49:5.1.1.1.3.1.1.3
SECTION 325.5
325.5 Definitions.
49:5.1.1.1.3.1.1.4
SECTION 325.7
325.7 Allowable noise levels.
49:5.1.1.1.3.1.1.5
SECTION 325.9
325.9 Measurement tolerances.
49:5.1.1.1.3.2
SUBPART B
Subpart B - Administrative Provisions
49:5.1.1.1.3.2.1.1
SECTION 325.11
325.11 Issuance, amendment, and revocation of the rules in this part.
49:5.1.1.1.3.2.1.2
SECTION 325.13
325.13 Inspection and examination of motor vehicles.
49:5.1.1.1.3.3
SUBPART C
Subpart C - Instrumentation
49:5.1.1.1.3.3.1.1
SECTION 325.21
325.21 Scope of the rules in this subpart.
49:5.1.1.1.3.3.1.2
SECTION 325.23
325.23 Type of measurement systems which may be used.
49:5.1.1.1.3.3.1.3
SECTION 325.25
325.25 Calibration of measurement systems.
49:5.1.1.1.3.3.1.4
SECTION 325.27
325.27 Use of a windscreen.
49:5.1.1.1.3.4
SUBPART D
Subpart D - Measurement of Noise Emissions; Highway Operations
49:5.1.1.1.3.4.1.1
SECTION 325.31
325.31 Scope of the rules in this subpart.
49:5.1.1.1.3.4.1.2
SECTION 325.33
325.33 Site characteristics; highway operations.
49:5.1.1.1.3.4.1.3
SECTION 325.35
325.35 Ambient conditions; highway operations.
49:5.1.1.1.3.4.1.4
SECTION 325.37
325.37 Location and operation of sound level measurement system; highway operations.
49:5.1.1.1.3.4.1.5
SECTION 325.39
325.39 Measurement procedure; highway operations.
49:5.1.1.1.3.5
SUBPART E
Subpart E - Measurement of Noise Emissions; Stationary Test
49:5.1.1.1.3.5.1.1
SECTION 325.51
325.51 Scope of the rules in this subpart.
49:5.1.1.1.3.5.1.2
SECTION 325.53
325.53 Site characteristics; stationary test.
49:5.1.1.1.3.5.1.3
SECTION 325.55
325.55 Ambient conditions; stationary test.
49:5.1.1.1.3.5.1.4
SECTION 325.57
325.57 Location and operation of sound level measurement systems; stationary test.
49:5.1.1.1.3.5.1.5
SECTION 325.59
325.59 Measurement procedure; stationary test.
49:5.1.1.1.3.6
SUBPART F
Subpart F - Correction Factors
49:5.1.1.1.3.6.1.1
SECTION 325.71
325.71 Scope of the rules in this subpart.
49:5.1.1.1.3.6.1.2
SECTION 325.73
325.73 Microphone distance correction factors. 1
49:5.1.1.1.3.6.1.3
SECTION 325.75
325.75 Ground surface correction factors. 1
49:5.1.1.1.3.6.1.4
SECTION 325.77
325.77 Computation of open site requirements - nonstandard sites.
49:5.1.1.1.3.6.1.5
SECTION 325.79
325.79 Application of correction factors.
49:5.1.1.1.3.7
SUBPART G
Subpart G - Exhaust Systems and Tires
49:5.1.1.1.3.7.1.1
SECTION 325.91
325.91 Exhaust systems.
49:5.1.1.1.3.7.1.2
SECTION 325.93
325.93 Tires.