Accreditation and Certificates

ISO/IEC 17025:2017 - Perry Johnson Laboratory Accreditation, Inc.

2024-2025 Arizona Health Department ADHS

2025 NAPT Soil & Plant Proficiency

ERA Water Proficiency - pH & Inorganics

ERA Water Proficiency - Metals & Microbiology

Women Business Enterprise

USCC - Compost Analysis Proficiency Seal of Testing Assurance