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Archived Rulemaking: Transportation of Liquids by Pipeline; Addition of Water to Pipelines Transporting Anhydrous Ammonia

46-fr-39.pdf (414.43 KB)

This final rule prescribes periodic monitoring of the water content of pipelines transporting anhydrous ammonia and the addition of water to such pipelines if the water content is less than 0.2 percent by weight. The purpose of this final rule is to reduce the potential for stress corrosion cracking.

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Last updated: Monday, August 20, 2018