Minnesota Valley Testing Labs, Inc. (MVTL) was established in 1951. We are a full service independent testing laboratory offering confidential microbiological, organic and inorganic analyses. We are ISO/IEC 17025 accredited through A2LA. Some of the testing we perform includes: Listeria, Salmonella, Staph enterotoxin, Legionella, Natamycin, heavy metals, vitamins, amino acids, sugars, caffeine, aflatoxins, and allergens. Services & instrumentation used in our laboratory includes nutrition labeling, shelf life & challenge study testing. DUPONT™ RIBOPRINTER®, ROKA® Atlas®, Invisible Sentinel® PCR, Vitek® instrumentation for the biochemical identification of bacteria, food safety consulting, and web access for viewing results online.