Frustrated with sneak peek!!!

I did my test a week ago at 8 weeks because they say I could at 8 weeks. But took a week for it to get back to the lab. And they said my sample did not pass quality control and that they would send me out a new kit. But man their customer service sucks like no phone number to call an just ask questions. Has any one had a similar experience and get good results the second time around? I'm in canada!!!