Anaerobic Digestion at Pinkham Way, Friern Barnet: "I wouldn't go in there till the air has cleared, if I were you." (Ricky Tomlinson as Jim in 'The Royle Family')

EXPLOSION! - click above then read pages 10 and 11 of 'AD & Biogas News'

"A biogas plant is not 'plug and go': you feed it carefully, you nurse it when it is not well and, most importantly, you must know what to do when something goes wrong."

"Safety issues ... include risk of explosion, confined space asphyxiation, hydrogen sulphide poisoning, gas poisoning, and risk of accidents."