Each ambulance shall be equipped with one: Onboard suction unit which is: Powered by a reliable source from: The engine manifold, or An electrically powered vacuum pump; Capable of developing a: Vacuum pressure equivalent to at least 300 mm Hg within 4 seconds of clamping, and Free air flow of at least 20 liters/minute at the end of the collection tube; Adjustable in suction force for use in children and intubated patients; Equipped with wide bore tubing; Equipped with one rigid pharyngeal suction tip; and Equipped with two suction catheters with integral thumb controls in assorted sizes appropriate for the patients being transported including at least one size from among: 6, 8, 10, or 12 French catheter, and 14, 16, or 18 French catheter; and Portable suction unit which is: Capable of operating continuously under suction for at least 20 minutes while independent of alternating current; Capable of developing: A vacuum pressure equivalent to 300 mm Hg within 4 seconds of clamping, and A free air flow of at least 20 liters/minute at the end of the suction tube; Equipped with wide bore tubing; Equipped with one rigid pharyngeal suction tip; and Equipped with two suction catheters with integral thumb controls in sizes appropriate for the patients being transported including one size from among: 6, 8, 10, or 12 French catheter, and 14, 16, or 18 French catheter.