Redwood Toxicology Laboratory, Inc. (RTL) utilizes the most sophisticated, sensitive and specific equipment and technology available to screen, confirmand quantitate drugs of abuse in urine. Our methodologies provide highly accurate, legally defensible results. As with all of RTL’s testing options, full customer support is provided.
RTL’s objective is to help its clients detect and prevent drug and alcohol abuse. Urine testing through RTL is reliable, affordable and convenient. Turn to RTL for confidence in testing—we’ll find out.
Our professional toxicologists perform screening and confirmation with state-of-the-art technology and equipment. After initial screening for presumptive positives, quantitative/qualitative confirmation is performed by gas chromatography (GC), gas chromatography/mass spectrometry (GC/MS), or liquid chromatography/mass spectrometry/mass spectrometry (LC/MS/MS).