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Drug Tests and How Long Drugs Stay in Your System

Drug Tests and How Long Drugs Stay in Your System

In Oklahoma, drivers pulled over for suspected DUI may receive a drug test. Driving under the influence of drugs is illegal, and if law enforcement suspect you have been using drugs they can request a test. Oklahoma DUI-D (driving under the influence of drugs) laws are extremely strict. If you are caught driving with any amount of a Schedule I controlled dangerous substance in any bodily fluid, you can receive a DUI-D charge. In addition, you can receive a DUI-D charge if you are driving while under the influence of any intoxicating substance. Intoxicating substances include the various controlled substances listed...

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Problems with Gas Chromatography in Oklahoma

Problems with Gas Chromatography in Oklahoma

The state of Oklahoma uses gas chromatography to test blood samples for blood alcohol concentration in DUI cases. This article summarizes the chromatography process and some common problems with it that can be raised in court. What Is Gas Chromatography? Gas chromatography (GC) is a scientific test used to separate and analyze chemical compounds, such as alcohol molecules and blood. The test involves injecting a known volume of the driver’s blood into a narrow tube, called a column. The blood sample is swept through the tube by a stream of carrier gas, such as helium. The tube contains a device called a...

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