In the documentary, Dan and Wayne revealed how finding fly tippers is highly challenging, as they're usually very organised. Don lost his sense of smell in a diving accident, which is an invaluable perk in his line of work. In the episode he was called by a building caretaker who was overwhelmed with a bathroom covered in raw sewage. He explained he lost his sense of smell in a diving accident years agoDon tackled a particularly disgusting house covered in stains. When the job was finished, after hours of vacuuming, scrapping and swiping, Don was on his way to another job.

Source: Daily Mail June 14, 2019 09:00 UTC