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.
The recommended indoor humidity level for homes is between 35 and 45 percent; this range creates the most comfortable environment in the home. This level of humidity helps to protect furnishings, drywall and other belongings from damage caused by dryness or excessive moisture.