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.
What is the recommended humidity for a home? How much humidity is 'normalâ, and what are the best ways of measuring it? Q My desktop weather station indicates that the humidity in my chalet bungalow varies around 70 per cent, and my enquiries suggest this should be around 50 per cent.