Field glossaryRH (ASTM F2170)Relative humidity inside the slab, read by in-situ probe as a percentageUsed across 2 Anvilfield field guides, most in Concrete. Where this shows upConcreteSelf-leveling underlayment floor prepConcreteEpoxy resinous floor coating install Related termsMVER (ASTM F1869)CSP Back to the full field glossary