RTI INTERNATIONAL

At a glance

What it is certified to test

3 of the 9 common well tests on the NC list (see which)

Price

not published on the state list: ask the lab for a quote

Turnaround

not stated on the state list or the lab’s website: ask when you order

Homeowner samples

not stated: ask the lab

Lab facts

Listed by

North Carolina (North Carolina Department of Health and Human Services (NC DHHS) - State Laboratory of Public Health, Environmental Sciences, Drinking Water Laboratory Certification)

Address

3040 E. CORNWALLIS ROAD JOHNSON-234, R.T.P., NC 27709 · Open in Google Maps

Phone

(919) 485-5520

Public / homeowner samples

Public samples: ask the lab

Not stated in the list.

Left blank on the list

The North Carolina list (version generated on request (no date printed), fetched 2026-11-07) gives no website for this lab.

Certification record

Certificate ID

37913

Issued by

North Carolina Department of Health and Human Services (NC DHHS) - State Laboratory of Public Health, Environmental Sciences, Drinking Water Laboratory Certification (certification program)

List version

NC SLPH Environmental Sciences - Certified Drinking Water Laboratories (Commercial), version generated on request (no date printed), fetched 2026-11-07

We fetched it

7 Nov 2026 (file SHA-256 f54ef445aa34…) · open the state file

Tests on the state list

• Named on the official list The state list names this analyte (or a column for it) for this lab.
• Group-level certification Certified for a parent group (e.g. 'Inorganics') that includes this analyte. Confirm the specific test with the lab.
• Partial group certification The list marks the group as 'Partial'. Confirm this analyte with the lab.
• Subcontracted The lab sends this analyte to another accredited lab (MDH 'X*').

NC SLPH lab number 37913; listed under Commercial Laboratories. Certified contaminants from the lab's SLPH detail page: 16.

Also certified by other states

Same business (same street address and ZIP) on another state's official list. Each state certifies separately, so each listing keeps its own source.

• Georgia · GA Lab # C047 · Lead, Other metals · Public samples: ask the lab
  Laboratories Certified by Georgia for Chemical Monitoring + Laboratories Certified by Georgia for Lead and Copper Monitoring (January 9, 2025)

Before you send a sample

Call the lab to confirm it's currently certified for the exact test and method, that it accepts samples from homeowners, and how to collect and ship them. Bacteria samples have short holding times. Status can change between list updates. To check a status, contact the North Carolina certification program.

Is this your lab?

Labs can ask for corrections through the agency that publishes their state list. Homeowner service, prices and turnaround above come only from the lab’s own website. To ask us to correct or remove this listing, write to us (how we handle listings).