You may have passed theres just no way to know for sure. It usually takes them 2 or 3 days to get the results back. 10 days is not much time for a heavy smoker to get clean. Usually its between 4 and 8 weeks. But there are so many variables.
Did you follow the dillution sticky?
If its a non DOT type job they will contact the employer, not you. They seem to be pretty lax. They must not of even cared about the temp. QF will absolutely work. That link you gave looks like they are really trying to sell there product. The drug test labs do not have a way to detect synthetic urine yet but I'm sure they're working on it. I've used QF 3 times and its worked perfect.