@Infoseepage @deewani @Nonya_Bidniss @HelenBranswell
A quick look into it shows that there's 58 labs approved to do the test, they all have phone numbers and mailing addresses listed. There's really no reason for NPR to wander into one with a sample without checking ahead of time. Generally there's SOPs that need to be followed and COCs that need to be filled out. That's a poor way to go about it, honestly. No one wants to lose their accreditation over a rando wandering in with an unknown sample that probably wasn't even collected properly.
https://www.aphis.usda.gov/labs/nahln/approved-labs/iav-a
In EPA certified water testing, for example, if someone walked into a lab with a sample you couldn't test it. You'd have to give them a sheet that explained how to properly collect the sample and ask them to come back after they did it properly and signed off on a COC that they did so. Testing it without that could lead to losing your accreditation.