Mail-in · results: about 1 week after the sample arrives · checked by A.CAB Aug 2026
Westcoast Mail-In Lab ProjectExample
Mail-in
Order a free kit, post a tiny sample, read your GC-MS result online with an anonymous code.
What they can test
- Sent to a lab for a fuller testSent to Transparency Testing, by mail. Results: about 1 week after the sample arrives. Tests used: FTIR, LC-MS/HPLC (higher-price tiers), GC-MS (higher-price tiers), NMR (higher-price tiers)
- How much is in it
- Can measure how much
- Samples they take
- Powder, Pill or tablet, Blotter or paper
- How you get results
- Online by random code
Good to know
- Free
- The service told us: nothing that identifies you is kept with your sample or its result
- Languages: English
Mail-in testing
- Anyone can mail a sample in
- People mail straight to our partner lab
- We post kits or test strips on request
- Postage is prepaid
- Samples are analysed by Transparency Testing
- Posts to California; Oregon; Washington
To get started, see their website or contact them.
Labs they work with
- Transparency Testing United States · FTIR, LC-MS/HPLC (higher-price tiers), GC-MS (higher-price tiers), NMR (higher-price tiers) · About 1 week after the sample arrives