An independent review of air quality at a controversial composting and worm farming business in Taranaki has found there is most likely a relationship between illness in the community and odours emitting from the Uruti site. In April three people required ambulance treatment after encountering a strong smell near the Uruti site where 20,000 tonnes of oil and gas waste are stockpiled. Photo: screenshot The review, which was prepared for the District Health Board, said neighbours could have been exposed to hydrogen sulphide, ammonia, benzene and other aromatic hydrocarbons. In April three people required ambulance treatment after encountering a strong smell near the Uruti site where 20,000 tonnes of oil and gas waste are stockpiled.