MDH-Air Quality Laboratory

Baltimore, Maryland · NIST NVLAP

At a glance

Accredited to analyse
asbestos: material samples by PLM (what that means)
Price
no price printed on the lab’s website when we read it (November 13, 2026): ask for a quote
Turnaround
not published: ask when you send samples
Accreditation runs to
March 31, 2027
Outside samples
the list says this site does not usually take outside work

Lab facts

Address
1770 Ashland Avenue, Baltimore, MD 21205 · Open in Google Maps
Website
health.maryland.gov/laboratories
Tests listed for
Asbestos
Left blank on the list
The official list gives no phone for this site.

Copied from the official lists below. Business details only.

What this lab can test for you

  • Asbestos testing: accredited to analyse pieces of popcorn ceiling, vinyl floor tile, pipe wrap or other building material.
  • Not accredited for air samples by TEM: the nearest accredited lab site that is, EMSL Analytical, Inc. in Beltsville, MD, is 25 miles away.
  • Outside samples: the list marks this site as not available for commercial testing, so a homeowner will usually need another lab. The nearest site listed as taking outside samples is Nan Technologies, Inc. in Halethorpe, MD, 8 miles away.

From the accreditation scope on the official list; distances are straight lines between ZIP-code centres. Ask the lab which sample types it accepts by mail before you cut or wipe anything.

Accreditation record

  • NIST NVLAP asbestos, lab code 101523-0: accredited for bulk samples by PLM; expires March 31, 2027 · 136 days left.

Accreditation as listed by NIST NVLAP on November 7, 2026; confirm with the lab.

NIST NVLAP: Asbestos Fiber Analysis

Accreditation as listed by NIST NVLAP on November 7, 2026; confirm with the lab.

Name on the list
MDH-Air Quality Laboratory
NVLAP lab code
101523-0
Lab type
Not Available for Commercial Testing
Accreditation expires
March 31, 2027
Bulk (PLM)
Yes
Airborne (TEM)
No

Scope (test methods)

CategoryNVLAP method codeTest method as printed
Bulk Asbestos Analysis18/A01EPA -- 40 CFR Appendix E to Subpart E of Part 763, Interim Method of the Determination of Asbestos in Bulk Insulation Samples
Bulk Asbestos Analysis18/A03EPA 600/R-93/116: Method for the Determination of Asbestos in Bulk Building Materials

Search the official NVLAP directory for lab code 101523-0 · NVLAP asbestos program page. Confirm the test you need with the lab before you send samples.

What the lab’s website says

  • We read the lab’s website on November 13, 2026: it printed no per-sample price for homeowners.

Prices and policies change; ask the lab for a quote before you send samples.

Nearest other accredited labs

Asbestos testing

1 other accredited asbestos lab site within 25 miles. Straight-line distance between ZIP-code centres.

Lab siteTownDistancePrints a homeowner price
Nan Technologies, Inc.Halethorpe, MD8 mi–
EMSL Analytical, Inc.Beltsville, MD25 miYes
AMA Analytical Services, Inc.Lanham, MD28 mi–
Harvard Environmental, Inc.Bear, DE50 mi–
Batta Laboratories, LLCNewark, DE52 mi–

Homes around this lab

Baltimore City: 82% of 295,032 housing units were built before 1980, above the Maryland share of 51% (Census ACS 2020–2024, table B25034). EPA links lead-based paint to homes built before 1978, and asbestos was common in building materials of that era. The ACS groups years by decade, so 1980 is the nearest cut.

Older homes within 25 miles

About 632,962 homes built before 1980 are in the 5 counties whose centre lies within 25 miles of this lab (Anne Arundel County, Baltimore City, Baltimore County, Harford County, Howard County).

  • Asbestos testing: 2 accredited lab sites within 25 miles, about 316,481 older homes per site, about the same as the Maryland figure of 327,750 older homes per listed site (4 sites).

Census ACS 2020–2024, table B25034; county centres are the mean of their ZIP-code points.

Water and housing around this lab

  • Radon: Baltimore City is EPA Zone 2, moderate radon potential (2 to 4 pCi/L). Renovation that opens floors or basements is a common time to test.
  • Private wells: about 0 people, 0% of residents, drink from a private well (USGS 2015), the 24th highest share of 24 counties in Maryland.
  • Well-water testing: the nearest state-certified drinking-water lab that its state list marks as taking homeowner samples is EMSL Analytical, Inc., 95 miles away.
  • Public drinking water: 1 public water system serving Baltimore City reported EPA UCMR 5 PFAS tests (2023–2026); 0 had a PFOA or PFOS result at or above 4.0 ng/L, the level EPA set for each in 2024. These are water suppliers’ results, not private wells.
  • At house sale: Statewide (Real Property Article) has a septic system rule (Md. Code, Real Property § 10-713 (Ch. 587 of 2023, HB 11, Private Well Safety Act of 2023)); what it requires.

County figures for Baltimore City, MD, where this lab’s ZIP code lies: EPA radon zone map, USGS 2015 water-use and arsenic estimates, EPA UCMR 5 (public water systems), state drinking-water lab lists and our septic rule register.

Is this your lab?

Names, addresses and phone numbers come from the official lists, and the accrediting program can correct them. To tell us about a mistake, contact us.

Asbestos testingMaryland

Other accredited labs in this state.

See the list