PV2Private Second Class (1 stripe)
PV2Poliovirus Type Two
References in periodicals archive ?
1 manual and system requirements plus operation per that OA intake manual; table of verification; system component biennial IAQ maintenance and monitoring by frequency; contaminant investigate and concentration, rectify microbial occupant contamination and questionnaires, or water intrusion having a complaint response program IGCC PV2 IAQ issue (draft) LEED 2009 1.
It consists of the centrifugal governors CG1 and CG2 and the integrated hydraulic piston valves PV1 and PV2.