Sewage Divers - Sewage divers face one of the most physically demanding and hazardous jobs.
Manure Inspector - Animal manure is an important natural fertilizer, but first it has to be checked for contaminants like E.coli and salmonella.
Portable Toilet Cleaner - You had to know this one was coming. First of all, I have serious reservations about using portable toilets, much less cleaning them.
Crime-Scene Cleaner - If not the dirtiest, this is definitely the most mentally disturbing job.
Pest Control Worker - Pest control workers use their knowledge of pests' biology and habits along with an arsenal of pest management techniques.
Ape Urine Collector - This job sounds unreal but, sadly, it is not. Ape urine collectors are employed by scientists who need ape urine to study factors that affect their reproduction.
De-construction Worker - While this may seem like a variation of a regular construction job, the difference is that you're not building something - you're tearing it down.
Zoo Cleaner - You'd think working at a zoo would be fun, and it probably is, if you're the zookeeper.
Hot-Zone Superintendent - Hot-zone superintendents perform maintenance work for bio-safety labs that study lethal airborne pathogens for which there is no known cure.
High-rise Window Cleaners - While window cleaning may seem relatively harmless, high-rise window cleaners face significant risks and challenges.