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.
Overall, youâll want to keep the relative humidity (RH) level in your home between 30 and 60 percent, with the most optimal RH between 40 and 50 percent. Itâs also important to remember that if the dehumidifier setting is above 75 percent, it can cause mold and mildew to grow.