All Locations Monday - Thursday 9:00 - 4:00 Friday- Waldorf 9:00 - 12:00 Annapolis 9:00 - 2:00 Towson and Forest Hill 9:00 - 3:00 Weekend drop-offs may be available at select times and locations. If you would like to schedule a Saturday drop-off, you must call the lab before the end of the business day on Thursday. Weekend drop-offs are not guaranteed at all locations.
In the News
The EPA intends to strengthen the Lead and Copper Rule. Find out more here.