Exposure to Chemicals: Pesticides, strong disinfectants, artificial fertilisers, water quality/softening products, antibiotics are used for pest control, disinfection and cleaning, disease control, and seafood preservation in aquaculture in Thailand.[2] Workers are at risk, for example, of pesticide poisoning, skin problems, and breathing difficulties from fumes from disinfectants. Formaldehyde (Formalin is the commercial name), used in seafood preservation, is a known cancer-causing (carcinogenic) substance.[3]