When using a sling physchrometer a very large difference between the wet and dry bulb readings indicates:
You are asked to be the only coating inspector on a small bridge recoating job where existing coating contains lead. The owners' representative has supplied you with the local code governing the removal and disposal of lead based coatings, however upon reading the document you having great deal of difficulty understanding the technical language.
As a NACE CIP Level 1 Inspector your preferred course of action is to:
Excessive working of the surface with a power grinder can be detrimental because excessive burnishing