But while you might use a spoon for tea, that doesnât mean it holds only a teaspoon of liquid, and a larger spoon may or may not actually hold a tablespoon. In an effort to cut down on thousands of annual overdose cases, the American Academy of Pediatrics is calling for medications to be measured in milliliters.
PE pipe may be used in exterior buried piping systems. 1210.1.1 Copper alloy tubing shall not be used if the. gas contains more than an average of 0.3 grains of. hydrogen sulfide per 100 standard cubic feet of gas (0.7. milligrams per 100 liters).
The reason for this depth requirement is simple - the earth, dirt, sand or whatever is covering the line needs to adequately protect the underground gas line from damage. A copper line running under a dirt drive that is buried just a few inches underground can be easily crimped or crushed by the weight of a vehicle.