PocketLaw | CFR 40 | Measurement Criteria

Measurement Criteria

Checkout our iOS App for a better way to browser and research.

Applicability and purpose.

Quantities measured.

Measurement instrumentation.

Test site, weather conditions and background noise criteria for measurement at a 30 meter (100 feet) distance of the noise from locomotive and rail car operations and locomotive load cell test stands.

Procedures for measurement at a 30 meter (100 feet) distance of the noise from locomotive and rail car operations and locomotive load cell test stands.

Measurement location and weather conditions for measurement on receiving property of the noise of retarders, car coupling, locomotive load cell test stands, and stationary locomotives.

Procedures for the measurement on receiving property of retarder and car coupling noise.

Procedures for: (1) Determining applicability of the locomotive load cell test stand standard and switcher locomotive standard by noise measurement on a receiving property; (2) measurement of locomotive load cell test stands more than 120 meters (400 feet) on a receiving property.

Testing by railroad to determine probable compliance with the standard.