A left shift is a phrase used to note that there are a high number of young, immature white blood cells present. Most commonly, this means that there is an infection or inflammation present and the bone marrow is producing more WBCs and releasing them into the blood before they are fully mature.
the gas line should be at least 30 inches deep. But may vary according to how strict your local safety codes are for preventing homeowners from hitting the line while digging in a tree or fence post. Call a heating/plumbing contractor.
In terms of underground natural gas facilities, excavators will deal with different gas lines with different colors, materials and sizes. Natural gas lines typically range from Â½ inch to 30 inches in diameter with pressure from 15 pounds per square inch to 1,000 pounds per square inch.