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. Author manuscript; available in PMC: 2020 Mar 4.
Published in final edited form as: Inhal Toxicol. 2019 Apr 25;31(2):61–72. doi: 10.1080/08958378.2019.1597222

Figure 1.

Figure 1.

Block diagrams of the exposure system. (A) Overview of major components including the clean air supply, chambers, ozone control system, chamber and cabinet exhaust. (B) Detail of oxygen and ozone generator cabinet. Compressed, concentrated oxygen flows from the oxygen generator to the ozone generator then enters a stainless steel manifold attached to the supply and waste mass flow controllers. The waste flow vents into the cabinet exhaust. Downstream of the supply mass flow controller within the gas safety cabinet is a relay actuated solenoid valve. Outside the cabinet is a manual control valve before the ozone supply tubing enters the chamber supply pipe.