Web Page 1)
Monograph Revisions
At the request of the Food and Drug Administration (FDA), USP has revised and strengthened its Glycerin Monograph to prevent future diethylene glycol (DEG) and ethylene glycol (EG) adulteration. The USP Excipient Monographs 1 Expert Committee has approved revisions to the monograph to include a 0.10% limit of DEG and EG in the Identification test of the USP Glycerin Monograph.
z-ref: nme3fbja