Broken Glass Special Instructions If broken glass is NOT contaminated with medical or biohazardous waste, the following items may be placed in a rigid container (a cardboard box is fine) marked with the words “Broken Glassware” and placed in the sanitary trash only: Broken glassware Glassware with sharp edges or points Pasteur pipettes Glass slides Some laboratories have a box to collect broken glass. Please use this if it is avaialbe. If broken glass IS contaminated, please contact EHS. More information is available here. Do Not Recycle Do not recycle any broken glass item, even glass bottles or jars; broken glass can injure trash haulers and sanitation workers. Broken Bulbs Sometimes HHW Depending on the type of bulb, you may need to dispose of it as hazardous waste. Find out what to do with broken bulbs.