Pacific Agricultural Laboratory is committed to providing the highest level of analytical services, with special emphasis on pesticides and agricultural issues. PAL is an employee-oriented company that provides a personally and professionally satisfying environment with decades of knowledge and experience. An ISO/IEC 17025:2005 compliant quality management system assures quality, integrity and tracability of all results. PAL strives to meet promised deadlines while creating long term working relationships with our customers.

Quality Assurance

Pacific Agricultural Laboratory operates under a comprehensive management quality system that covers all aspects of laboratory operations. This quality management system is documented in the PAL Quality Management System Manual. PAL is accredited to ISO/IEC 17025:2005 standard. The quality management system is designed to meet all quality standards set forth by government organizations such as the EPA, private accrediting bodies and the customers themselves. We have designed the quality management system to be flexible yet comprehensive enough to meet customer needs, whatever they may be.

The value of service provided by PAL is measured in the accuracy and precision of the results that we provide to our clients. To maintain a consistently high standard of analytical excellence, PAL participates in various proficiency testing programs, and makes the results of those studies available to customers for inspection upon request

Accreditation, Certifications and Memberships

  • Accredited Laboratory, ISO/IEC 17025:2005, Perry Johnson Laboratory Accreditation, Inc., Accreditation #64422
  • Accredited Laboratory, Washington Department of Ecology, Lab Accreditation #C820
  • USDA Foreign Soil Permit
  • USDA Foreign Plant Permit
  • Association of Official Analytical Chemists (AOAC), member
  • American Chemical Society, member
  • Oregon Business Association, member
  • Willamette Valley Ag Professionals Association, member
  • Oregon Horticulture Society, member
  • Washington State Horticultural Association, member


Acquiring and retaining highly-qualified and motivated people within PAL is the key to our success. Our key personnel have over 80 years of combined experience directly involved with pesticides analysis and analytical chemistry, with an average of over ten years per person. Ongoing training, and memberships in various professional associations and an active involvement in continuing education are essential to staying current with the rapid pace of technology.

Steve Thun, Laboratory Director

Education: B.Sc., Biochemistry, University of Oregon.
Years of Experience: 25

Steve is the owner of Pacific Agricultural Laboratory, founded in 1995. Steve oversees all phases of laboratory operations. This includes administration, quality assurance, and client services, all within an ISO/IEC 17025:2005 compliant quality management system. Steve began his career as a pesticides analyst in 1990. Ongoing education has included numerous courses covering gas and liquid chromatography and laboratory management.

Richard Jordan, Laboratory Manager

Education: B.Sc., Physics, Washington State University.
Years of Experience: 25

Rick is responsible for laboratory operations and project management. He began his career in 1989 as an analytical chemist specializing in hydrocarbons and pesticides. Joining PAL in 2001, he has focused on pesticide analysis and method development using gas chromatography. Rick has been an active participant in the North American Chemical Residue Workshop (formerly Florida Pesticide Residue Workshop) since 2009. He has co-authored numerous publications, application notes, and posters related to pesticide analysis in agricultural commodities.

Daniel Miller, Technical Director

Education: B.Sc., Chemistry, University of Portland
Years of Experience: 25

Dan is responsible for all technical aspects of laboratory operations. He began his career in 1988 as an analytical chemist specializing in PCB’s and environmental contaminants. Joining PAL in 2007, his extensive experience in both gas chromatography and mass spectrometry has been applied to pesticide residue analysis. Dan oversees method development and validation, staff training, and coordinates activities of all technical staff. He is also lead chemist for the GC-MS/MS department.