Cleaning Alternatives Non-Mercury Alternatives Neutralization/Deactivation/Recovery Book traversal links for Waste Minimization Cleaning Alternatives › The following are a number of initiatives that have resulted in waste minimization and/or pollution prevention in Princeton University laboratories. If you have any questions, or other ideas or successes you'd like to share, please contact EHS at 8-5294. Cleaning Alternatives Non-Mercury Alternatives Neutralization/Deactivation/Recovery Book traversal links for Waste Minimization Cleaning Alternatives ›