Clinical grade is not CGMP grade, or clean room grade, there is a threshold of junk in the synDNA stuff that is passable for these test 5% or less , when the building is completed ,pure synDNA will flow , remember Arnold there is two grades ,and with out a clean room everything can get bacteria and contaminants in it , read Aldevron and the two grades of product.
[Purification of bacteria-free synDNA™ to eliminate all but 5% of impurities especially endotoxins, a critical step for the generation of large-volume sales and production of clinical grade material;]