How emergency crews trace odd odors and determine if they're safe

In Bellaire, TX, and surrounding areas, emergency crews have a process for tracing unusual smells. The Harris County Fire Marshal's Office is involved in this effort.

The office has explained how hazmat crews go about identifying the source of odd odors. This process helps determine if there is a threat to the community.

Further details on how emergency crews handle odd odors and assess potential dangers are available from the Harris County Fire Marshal's Office, as reported by ABC13 Houston.