System and method for providing tempered fluid

A decontamination apparatus comprising:

• a fluid supply source including a first fluid line in which a heated first fluid flows, a thermostatically controlled mixing valve comprising a valve body formed to include a first fluid inlet to receive heated fluid from the first fluid line, a second fluid inlet to receive a second cooler fluid from a second fluid line, and a mixed fluid outlet, an eyewash fixture having a basin and at least one nozzle directed at least partially upwardly and a drench shower having fluid outlets directed at least partially downward, both said eyewash fixture and said drench shower being in fluid communication with the mixed fluid outlet configured to discharge the mixed fluid therethrough, a diffuser coupled between the first fluid line and the first inlet to the mixing valve, the diffuser including a first fluid conduit and at least a second fluid conduit, a majority of the first fluid conduit being surrounded by the second fluid conduit, the first and second conduits being coupled together to cause fluid to flow into the first conduit, pass through the first conduit, and into fluid outside the first conduit and in the second conduit, and a support interconnecting said eyewash fixture and said drench fixture to permit placement of said eyewash fixture and said drench shower as a unit.