10/11: Home Renovation Greenie Tip: Seal all exposed particleboard or MDF.

• Laminate countertops or cabinets.
• "...Avoid Particleboard, MDF, and Interior Grade Plywood—Almost all laminate surfaces are installed over a solid substrate that makes up the heart of your new countertops. Unfortunately, particleboard, medium density fiberboard (MDF), and interior grade plywood are some of the most popular substrate materials used in the construction of laminate countertops, and all of them can off-gas carcinogenic formaldehyde into your indoor air for years after installation..."

servicemagic. Going Green: Laminate Countertops