a typical legal thc cartridge would have 70 to 90% pure thc distilla distillate, the rest turpines, aromaticwhich give it flavor. in illegally cut cartridges you might have only 40 to 50% distal distallate, and cutting agents, it looks very much like the actual product, the same color and the same thickness. it would also pass something known on the street as the bubble test. basically, if the bubble moves slowly that should mean that it's viscus enough to be mostly pure thc oil. >> when you look at any of these things, propylene glycol, you breathe it into the lungs, do we know what those molecules then do to the body? >> vitamin e acetate can convert into acidics acid. when it heats up you're inhaling an acid. >> it's why the cdc has identified vitamin e acetate as a chemical concern. if it's not vitamin e acetate as a cutting agent today, before long it will be something new. dr. san yjay gupta, cnn, long beach, california. >> our thanks to sanjay for that. >>> we have a brand new interview with rudy giuliani, and it is raising a lot of eyebrows. "new day" continues right now. >> chuck sc