Lab Accreditation

To insure quality results, Dellavalle utilizes internal quality control checks with replicate samples, matrix spikes, external or control samples and method blanks. Additionally, we employ Good Laboratory Practices (GLP). Our performance is evaluated by California’s Environmental Laboratory Accreditation Program for water and wastewater and the North American Proficiency Testing program for manure, compost, soil, plant tissue and ag water.

Accreditation Program for Water & Wastewater

Proficiency Programs

  • North American Proficiency Testing Program (NAPT) organized by the Soil Science Society of America

Approved Laboratory

Question/Comment/Complaint/Suggestion Form

Have a question? We're here to help.

Contact us today to learn more about our agricultural services.
  • Over 40 Years Experience
  • Serving California
  • Satisfaction Guaranteed!
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