Very high levels of AST (more than 10 times normal) are usually due to acute hepatitis, sometimes due to a viral infection. With acute hepatitis, AST levels usually stay high for about 1-2 months but can take as long as 3-6 months to return to normal.
MFMA recommends the relative humidity level for a concrete slab for a non-glue-down maple floor system be 85% or lower and for glue down systems the concrete slab relative humidity level should be 75% or lower before installation.
Before you can ensure that your wood flooring is at an ideal moisture content, itâs important to check the relative humidity of the installation site and compare that to the %MC of your wood materials. Here, using a thermo-hygrometer to check temperature and humidity can be invaluable.