Maryland Spectral Services, Inc
- Arsenic
- Lead
- Pesticides
- Volatile Organic Compounds
NAN Technologies, Inc is a commercial laboratory in Halethorpe, MD (Baltimore County). It is on the Maryland drinking water program's list of certified laboratories (certificate 360), and we last checked the list on September 30, 2026.
The record does not say whether it takes samples from homeowners. Some certified labs only work with public water systems, so call before you collect a sample.
Before you go: Certified by the Maryland Department of the Environment Laboratory Certification Program for drinking water analyses (Maryland lab number 360): Metals (lead and copper, arsenic, barium, cadmium, chromium, mercury, selenium and other metals). From the MDE certified drinking water laboratory list revised August 11, 2026. Call first to confirm the lab accepts samples from private well owners and to ask about bottles, drop-off hours and pricing; most of these labs also run the county potability test (bacteria, nitrate, turbidity) for new wells.
This profile is built from the official state list of certified drinking water laboratories, checked on September 30, 2026. Well Water Insider does not rate or endorse labs. Run this lab? Claim the profile to add prices, turnaround times, hours and a description.
Listed on the official state certified laboratory list.
How this lab takes samples, based on its listing. Call to confirm hours, bottles and prices.
Published lab fees in Maryland: $41 for a bacteria test and $18 for nitrate. Maryland state lab fees; a county health department may add a collection fee ($50 in Frederick County). Prices at this lab may differ.
Bacteria samples need a sterile bottle from the lab. Chemistry samples usually take a clean container the lab supplies.
Skip softeners and filters. Remove the aerator, run the water 3 to 5 minutes, then fill without touching the inside of the cap.
Bacteria samples are time-sensitive. Use a cooler with ice packs and hand it in or ship it the same day.
Compare results with EPA drinking water limits. If anything is over, our problem pages explain what it means and how to treat it.
From the state certification list and the lab's own listing. Ask which ones it runs for homeowners.
Natural in some bedrock, with no taste or smell. The EPA limit is 0.010 mg/L. Learn more
Usually from plumbing and older well parts. EPA says there is no safe level. Learn more
1550 Caton Center Drive, Suite #K (Front), Halethorpe, MD 21227
Lab address
Yes. It is on the Maryland list of laboratories certified for drinking water testing, last checked September 30, 2026.
Its listing covers arsenic and lead. Call to confirm prices and which tests it runs for private well owners.
The listing does not say. Some certified labs only test for public water systems, so call before collecting a sample.
Call (410) 800-4263 and visit the lab's website. The address is 1550 Caton Center Drive, Suite #K (Front), Halethorpe, MD 21227.
Homeowner samples