You should be ok make sure u keep the temp at 90-100 and make sure u bring enough i got hosed cause the place i went was healthworks and they wanted more then 3oz so they wanted me to pee again with them in the doorway cause i didn't fill to the line the lady put knew i was fucked cause i woulda pissed dirty lost my job for refusing to give another sample if u can bring at least 4-5oz's but also depends on where u have to go for the test good luck man hope it works out for u.