Lab Four Systems

Cornerstone Laboratories is located in Memphis, Tennessee, in the crook of the I-55/I-40 Corridor, and is easily accessible by all modes of transportation. We are just minutes from the Memphis International Airport and the Federal Express Hub. This centralized location allows Cornerstone the ability to serve all areas of North America with ease.Samuel J. LaBonia, President, and Karen Shinn, Laboratory Director, are committed to meeting and exceeding client expectations.Our state of the art equipment gives Cornerstone endless capabilities to meet your analytical needs. Gas Chromatography Mass Spectroscopy (GC/MS ) instrumentation allows for detailed fingerprint analysis and complex method development. High-Tech Inductively Coupled Plasma (ICP ) instrumentation gives Cornerstone the ability to analyze a large variety of Metals. This advanced ICP technology gives lower detection limits, even on tough matrices.Through strategic partnerships with a number of related companies, Cornerstone is able to offer a wide variety of turnkey services; including site assessment, bio-remediation, civil engineering, and regulatory interfacing. Relationships developed with additional companies in diverse fields allow Cornerstone to undertake almost any type of project.Cornerstone Laboratories uses only methods approved by the agency administering the program for which the samples have been collected. If there is no administering agency, applicable standard methods are used. If no standard method exists, or if the standard method is not amenable to the sample matrix, Cornerstone will modify and validate an existing method to assure useable test data.

CareerPro Occupational Express is the leading drug screening company in the Mid South, offering a comprehensive range of substance abuse testing and occupational health services to businesses nationwide. With over 25 years of experience, their certified medical professionals and dedicated team ensure the safety of workers and help maintain a drug-free workplace. They provide services such as drug screening, DOT physicals, occupational health services, and screening kits, guaranteeing the most accurate substance abuse testing program possible. CareerPro Occupational Express conducts business in a professional manner with an emphasis on quality, making them the go-to choice for businesses of all sizes.Generated from the website