i just ordered a 30lb. of [...] and box had correct labels,for virgin r-12,but after analizing tank with my yokogawa ga 500,it came back 97.7% r-12 and 2.3% r-124.i think it is [...] know if r-124 is a problem in a r12 system in this quanity,2,3%.or if this ta... Login to read more.