any twat can join the bpca or the npta, (not that they all are), but theres a few. I passed The Royal Society for the Promotion of Health exam, level two, with distinction, I've got certificates from Killgerm, Network, Adas, NPTC, DMQ , Lantra, Datas, what does that make me? A know all b*****d, but it dos'nt make me a pest controller, there are people on this forum who have forgotten more than these courses can teach you, all they do is teach you to cover your ass, and the bpca also do a course in helping you to get as much money as you can out of your customer, nice a ! AS for gas, maybe ther