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.
Quick Answer. Bury a water mainline in a trench that is no less than 18 inches deep. The city's municipalities office should be consulted before digging a water line trench in order to ensure that there are no electrical, water or sewer lines in the area. Metal piping is required for all water mainlines.