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.
Place a dehumidifier in your house, especially in damp and humid areas such as your basement. Choose a dehumidifier that has automated controls for monitoring and setting relative humidity levels; the ideal humidity level for a home is 40 percent to 50 percent in the summer and 30 percent to 50 percent in the winter.