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The 2017 Schedule of Fees contains a wide array of Midwest Laboratories analysis offerings. Prices are subject to change without notice.READ MORE
First described as a pathogen in the late 1920's, it was not until the early 1980's that Listeria monocytogenes emerged as a food-borne pathogen. These hardy, nonspore-forming bacteria are capable of growing over a temperature range of 1-45o C (34-113o F), growing best at 30-37o C (86-99o F); a pH range of 5.5-9 preferring a slightly alkaline condition; and can survive salt concentrations up to 25%!READ MORE
In Water: Arsenic is well known from its use as a poison and as a toxin. Recent concern centers on arsenic in drinking water. Low levels of arsenic in drinking water have been linked to cancers, cardiovascular problems and diabetes.READ MORE