{"operation":"document","citation":"49 CFR 193.2153","title":"Classes of impounding systems.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":null,"effective_on":"1999-10-01","summary":"(a) For the purpose of this part, impounding systems are classified as follows:\n\nClass 1. A system which surrounds the component served with the inner surface of the dike constructed against or within 24 inches (610 millimeters) of the component served. Class 2. A system which surrounds the componen","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-193-2153.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-193-2153.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-193-2153","source_url":"https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2153","body":"(a) For the purpose of this part, impounding systems are classified as follows:\n\nClass 1. A system which surrounds the component served with the inner surface of the dike constructed against or within 24 inches (610 millimeters) of the component served. Class 2. A system which surrounds the component or area served with the dike located a distance away from the component or at the periphery of the area. Class 3. A system which conducts a spill by dikes and floors to a remote impounding space which does not surround the component or area served.\n\n(b) In the case of an impounding system consisting of a combination of classes, requirements of this part regarding a single class apply according to the percentage of impoundment provided by each class.\n\n[45 FR 9203, Feb. 11, 1980, as amended by Amdt. 193-16, 63 FR 37505, July 13, 1998]","truncated":false,"body_characters":840}