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.
ï· Flooring should not be exposed to extremes of humidity or moisture. ï· Permanent HVAC should be on and operational a minimum of 5 days and maintained between 65 â 75 degrees and a relative humidity of 35%- 55% prior to delivery, during, and after installation of the flooring.