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The scientific instrument used to analyze the blood alcohol content (BAC) of an individual is known as a chromatograph. The key to attacking the chromatograph is the standards. The accuracy of the process depends on what you tell the chromatograph the standards are. The lab tells it what a .10 looks like, what a .20 looks like, etc. Everything is a comparison. If the standards are off, the test is worthless.
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Where do the standards come from? Who prepared the standards? If the standards are commercially purchased, did the lab verify the standards? Did they test the standards on that chromatograph? The integrity of the whole process is determined by the accuracy of those standards. Did the low bidder get the contract for those standards? Chromatography rides on the validity of the standards that are used to calibrate the chromatograph.
At The Law Offices of John Phebus Glendale Criminal and Personal Injury Lawyer, we understand what goes into challenging a blood test after a DUI. If you live in Scottsdale County and are being convicted of a DUI charge, contact our law firm by calling 623-847-7117 or by completing our online contact form. Our Glendale DUI attorneys will carefully examine numerous factors that can lead to inaccurate results, including:
There are several complex defenses based on factors such as the presence of potassium oxalate, the use of salting out agents and the gas chromatography process itself. Don’t trust your driving privileges to a less experienced defense attorney. Contact a skilled criminal defense lawyer from our law firm today.
If you have questions regarding challenging a blood test, schedule a free consultation at The Law Offices of John Phebus Glendale Criminal and Personal Injury Lawyer. Our firm can be reached by calling 623-847-7117 or by completing our online contact form. We also serve clients with DUI cases from Scottsdale, Peoria, Surprise, and other areas of Scottsdale County. Our office hours are 8 a.m. to 5 p.m., Monday through Friday. Evening and weekend appointments are available based on the needs of our clients.
John Phebus is a seasoned attorney specializing in personal injury and criminal defense law. With a focus on DUI defense, vehicular crimes, and serious injury cases, John has been fiercely advocating for his clients, ensuring they receive the representation and compensation they deserve. His expertise and dedication have led to numerous successful outcomes. If you’re seeking a knowledgeable and passionate attorney who will fight for your rights, John Phebus is here to help.
Years of experience: +30 years
Linkedin Profile: John Allen Phebus
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1 month ago 
John is an expert at what he does. If you need a great lawyer, he’s the one to call. He will guide you through difficult times with ease. His communication is excellent, always keeping you informed every step of the way. I’m grateful to have had John as my lawyer now I can move forward and leave this behind me. I highly recommend him 100%, so don’t hesitate to reach out. Thank you, John, for your dedication and hard work!
GBP Review: Luis Chavez
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