Conversion to Choline Chloride Lined- blasted interior, removed blast media from tank, cleaned & prep for new liner, cut & weld flange, applied 25.0-30-.0 mils of DFT Devmat 101 Solids epoxy liner to interior & ext covered man-ways, spark tested. Vapor Recovery System -Installed installed vapor recovery line, plumbed existing air system, installed tee under valves, ran air off hose, installed flipper valve, rplc press relief valve & vac breaker, air test & rplc fittings