Hazardous materials are regulated by several different government agencies. the five main federal agencies involved in hazardous materials regulation are the pipeline and hazardous materials safety administration (phmsa), occupational health and safety administration (osha), nuclear regulatory commission (nrc), environmental protection agency (epa), and:

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.