Concrete slabs
A pin meter, a plastic-sheet observation, a calcium-chloride kit, and an in-situ relative-humidity probe are not interchangeable results. The product instructions name the test. The estimate should not pretend a different test satisfied them.
ASTM F2170 is the in-situ relative-humidity method. ASTM F1869 is the calcium-chloride method. ASTM F710 is a preparation standard for concrete floors under resilient flooring, not a pass/fail moisture number. Use the edition and the limit printed in the product instructions. Those limits differ by product, so this page does not publish one “safe” percentage.
Probes and kits are placed at a frequency the standard or the specification describes. Estimating “moisture testing” as a lump sum without the count of tests hides the scope. If testing is by the owner’s inspector, exclude it and say so.
A failed or over-limit reading may lead to a mitigation system. That system has its own coverage rate and is not included because a test was mentioned. Do not add a mitigation coat “to be safe” without a specified product.
Shows how to write the assumption. It is not a moisture reading.
Related reading: substrate prep, slab scope, what the estimate assumes.
Only if the product instructions accept that meter. Many adhesives require a quantitative method named in their data sheet. A comparative scan can still be useful for finding wet areas to retest.
No. Publishing one number would invent a limit the specified product may not use. Copy the limit from the current product data sheet onto the estimate.