Sure you can make a difference! First, thank you for taking his behavior seriously and being proactive in finding answers.
Next, kudos for deducing that your father is an inhalant abuser, something we find that even some adults have trouble realizing. In terms of what you can do, you’ve already took the first step which is looking for resources to try to understand the issue.
Next you may want to tell your mom and/or any other adult who can assist you in speaking with your father about the seriousness of this problem and with getting him help.