Viable counts for actinomycetes were performed using a starch nitrate medium containing (g/l) of water,: 20.0, starch; 2.0, potassium nitrate; 1.0, dipotassium hydrogen phosphate; 0.5, magnesium sulfate; 0.5, sodium chloride; 3.0 calcium carbonate and 0.01, ferrous sulfate.