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.
Mike, the 2001 California Plumbing Code states the minimum cover for horizontal metallic gas pipe to be 12. Also, 1211.7 Underground ferrous piping shall be electrically isolated from the rest of the gas system with listed or approved isolation fittings installed a minimum of six(6)inches(152mm) above grade.