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American National Standard Procedure for Testing Railroad Horns ex situ
| Published by | Publication Date | Number of Pages |
| ASA | 10/06/2010 | 18 |
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ASA S12.69 – American National Standard Procedure for Testing Railroad Horns ex situ
Federal regulations require the testing of sound emissions from horns located on railroad locomotives.This Standard specifies an alternate method for compliance with the Federal requirements inmetropolitan areas where tests cannot be conducted in an outdoor space free of obstructions. Thedata that result from this procedure are equivalent to those that derive from the procedurepromulgated by the Federal Railroad Administration as described in 49 CFR Part 229.129.
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