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 thermometer is placed to provide at least 3 inches of concrete around the. inserted stem and left in place a minimum of 2 minutes and until the temperature has stabilized. Start taking temperature measurements of the concrete (per ASTM C 1064) within 5 minutes after securing the remixed composite.nserted stem and left in place a minimum of 2 minutes and until the temperature has stabilized. Start taking temperature measurements of the concrete (per ASTM C 1064) within 5 minutes after securing the remixed composite.