Laboratory Accreditations

side-by-side photos: coatings technician performing test and a small rack of test tubes
GPI is accredited by the following agencies for environmental testing:


ISO/IEC 17025 accreditation from the American Association for Laboratory Accreditation (A2LA)
Certificate #5033.01


State of Ohio
DOH # E10013


National Lead Laboratory Approval Program (NLLAP) Accreditation
IHLAP/ELLAP # 101030


State of Louisiana Department of Environmental Quality
Agency Interest #180321


National Environmental Laboratory Approval Program (NELAP) Accreditation
State of New York
ELAP # 11609


Oklahoma Department of Environmental Quality Laboratory Accreditation Program
State Laboratory ID: 9993