ADDITION OF ODORANTS TO GASES FOR LEAK DETECTION

摘要

An apparatus for dispensing an odorant to a fluid in a vessel having an
interior
volume containing the fluid includes at least one odorant material and an
odorant-
permeable material. The at least one odorant material is disposed in the
interior volume,
the odorant material having at least one detectable odor. The odorant-
permeable
material encapsulates the odorant material.