Accidents

If large amounts of hydrogen are inhaled, move the person to fresh air and seek medical attention at once. In the event of a leak, remove all ignition sources and allow the hydrogen to disperse with increased ventilation. Hydrogen disperses rapidly in normal open environments. Respiratory protection may be necessary in the event of a release in a confined area.

Disposal

Excess hydrogen cylinders should be returned to the vendor. Excess hydrogen gas present over reaction mixtures should be carefully vented to the atmosphere under conditions of good ventilation after all ignition sources have been removed. For more information on disposal procedures, see Chapter 7 of this volume.



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