​As of January 1, 2020, rules for pre-harvest testing have changed from delta9-THC to total THC. Testing rules are included in OAR 603-048-0600​. ​


Control Study Notification Form

ODA Control Study Notification Form

Hemp Lab Sampler Training 2021

This video meets the required hemp sampler training for the 2021 crop year. Hemp lab sampler training

Hemp pre-harvest testing: Sampling protocol & process

All sampling must be performed by personnel employed by a laboratory or ODA. Pre-harvest hemp sampling protocol (Exhibit A)
Pre-harvest hemp on-site sampling form
Pre-harvest hemp sampling and testing request form

Hemp pre-harvest: THC report

This form is for laboratory use for reporting total Tetrahydrocannabinol (THC) in pre-harvest tests of hemp. Hemp pre-harvest THC report

Hemp Testing Protocol (Exhibit B)

Hemp testing protocol (Exhibit B)

Post-harvest hemp testing notification form

Post-harvest testing notification form

Post-harvest hemp testing requirements

Post-harvest hemp testing requirements

Test results notification form for hemp

Hemp test results notification form

What to Do if You Fail a Pesticide Test for Hemp

Failed pesticide test handout

What to Do if You Fail a Pre-Harvest Test for THC Potency for Hemp

Failed pre-harvest test for THC handout


ORELAP accredited laboratories

ORELAP (Oregon Environmental Laboratory Accreditation Program) accredited laboratories who are licensed with the Oregon Liquor and Cannabis Commission (OLCC) can conduct pre-harvest testing of hemp. Full list of ORELAP accredited labs




Hemp Program
635 Capitol Street NE
Salem, OR 97301
Phone: 503-986-4652
Fax: 503-986-4786

​​​​Sign up to receive email correspondence regarding industrial hemp industry implementation and regulation.

Request contact list

Email your public records request  Please specify the year and license type for the information you would like to receive.​​