Coating Inspection on a Tank Lining

I am Nace CIP Coating inspector
In this video I show the process of an inspection on a tank lining.
I will take Dry Film Thickness readings and proceed with a visual inspection on the coating.
(This tank did not require a High Voltage Holiday Test.)
Equipment used in video -
- Elcometer 456 DFT gauge
-Thrunite TC15 V2 flashlight