ya it is possible. smoking for that long there is going to be alot of thc in you system and will be a little bit hard to get out in a month but not impossible. for one thing drink alot of water and dont smoke even once untill the test you could also try using detox drinks and some other methods heres a good site for stuff you can buy to help you out, o also you might want to shave you head because they can trace weed in your hair long after you somked it. http://pass-drug-test.jumora.net/thc-marijuana/ i used the first one and it worked like a charm gl