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Household Hazardous Waste
Rockville will collect household hazardous waste by appointment. Call 240-314-8568 weekdays, 7 a.m. to 3 p.m., to schedule an appointment. Instructions for how to set materials out for collection will be provided when the appointment is scheduled.
Accepted Household Hazardous Waste (HAZMAT) Items: Liquids, Chemicals, Other Non-Burning Materials
| EXAMPLES | NOT ACCEPTED | ||
| Liquids and Chemicals: (must be in original containers or in a clearly marked container, then placed in a box labeled “HAZMAT”) | |||
 | Acids/caustics (cleaning and pool chemicals) |  | No gasoline |
| Aerosol cans, with fluid (place emptied cans in recycling cart) | | No tire rims (see Special Collections section for disposal) |
| Motor oil, antifreeze, brake fluid (no more than 4 jugs) | | No latex paint (solidify and place in refuse cart) |
| Pesticides, poisons, insecticides | ||
| Oil-based paint | ||
| Other: | |||
| Car batteries and passenger tires (no more than 4 per collection, rims removed) | ||
| Compact fluorescent bulbs | ||