Pages • 1
Ethylene Glycol (eg) or Propylene Glycol (pg) Do glycol recycling programs result in a significant increase in dissolved oxygen (DO) levels in surrounding storm water runoffs, due to the reduction of bio-degradation of ethylene glycol (EG) and propylene glycol (PG)? Research Prospectus Research Problem Aircraft deicing fluids are typically composed of either ethylene glycol (EG).