Testing Locations » Oregon » Klamath Falls OR » Onsite Drug & Alcohol Testing – Onsite Drug & Alcohol Testing – Drug Testing Only (Preferred) Onsite Drug & Alcohol Testing – Onsite Drug & Alcohol Testing – Drug Testing Only (Preferred) Onsite Drug & Alcohol Testing – Onsite Drug & Alcohol Testing – Drug Testing Only (Preferred)4747 South 6Th StreetSuite #2Klamath Falls, OR 97603-4999 United States