Each ambulance shall carry the following standard airway maintenance and ventilation equipment: Oxygen which meets the following criteria: For ground ambulances: Optional onboard cylinders for BLS ambulances have a capacity of at least 3,000 liters; Portable cylinders have a capacity of at least 400 liters; The following number of cylinders, if on-board oxygen is present, unless more are needed for a particular patient based on COMAR 30.09.07.03A(2)(g): One E size, One jumbo D size, or Two D size; The following number of cylinders, if on-board oxygen is not present, unless more are needed for a particular patient based on COMAR 30.09.07.03A(2)(g): Two E size, Two jumbo D size, or Three D size; For air ambulances: An on-board oxygen system that meets the CAMTS standards, which provide that: Oxygen is installed according to FAA regulations; Medical transport personnel can determine if oxygen is on by in-line pressure gauges mounted in the patient care area; Each gas outlet is clearly marked for identification; Oxygen flow can be stopped at or near the oxygen source from inside the aircraft; The indicators for quantity of oxygen remaining and measurement of liter flow are accessible to medical transport personnel while enroute; and Oxygen flow meters and outlets must be padded, flush mounted, or so located to prevent injury to medical transport personnel; and A minimum of one portable oxygen cylinder that has a capacity of at least 400 liters; All cylinders are properly color coded for U.S.P. grade, medical oxygen; The system is free of: Grease, Oil, or Other flammable organic material; and All cylinders have passed hydrostatic testing during the past: 5 years, or 10 years, if approved by the inspector based on the condition of the cylinder; Regulators which: Have a reducing valve limiting line pressure to 50 10 psi; Have a pressure gauge, with a range of 0 to 2,500 psi, to indicate the pressure of oxygen remaining in the cylinder; Are capable of delivering at least 0 to 15 liters/minute flow in calibrated increments; Are accurate to within 1 liter/minute when at a setting equal to or less than 5 liters/minute; Are accurate to within 1.5 liters/minute when at a setting between 6 and 10 liters/minute; and Are accurate to within 2 liters/minute when at a setting equal to or greater than 11 liters/minute; At least one flow smeter dedicated to the portable oxygen system that is not gravity dependent; If present, positive pressure demand valves which provide: 100 percent oxygen; An instantaneous flow rate not greater than 40 liters/minute; An inspiratory pressure relief valve that opens at 60-centimeter water pressure; and A 15/22-millimeter fitting; Adult oxygen administration sets which are the following types and quantities: Four non-rebreather; Two venturi; Six nasal cannula; Disposable, single use design; and Transparent; Pediatric oxygen administration sets which are the following types and quantities: Two non-rebreather; Two nasal cannula; Disposable, single use design; and Transparent; Two sets of oxygen connecting tubing; One hand operated, self-reinflating adult bag valve mask with: Oxygen inlet; Reservoir tube; Transparent face mask; and Selectable pop off valve or no pop off valve; One hand operated, self-reinflating, pediatric bag valve mask with: Oxygen inlet; Reservoir tube; One transparent neonatal face mask; and One transparent pediatric or child face mask; One pocket mask with one-way valve; and One set of oropharyngeal airways in the following sizes: Adult; Child; and Infant.