| http://www.w3.org/ns/prov#value | - ith ??63.1438(a) based on emission point and control technique characteristics when polyether polyol is being produced.(B) The owner or operator shall monitor each parameter at each device subject to monitoring requirements at all times (during periods when the PMPU produces polyether polyols, and during periods when the PMPU produces products other than polyether polyols), with the exceptions pro
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