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Blood Alcohol Content (BAC) Serving Families Throughout Jacksonville For Over 25 Years

Blood Alcohol Content (BAC) in DUI Cases

Arrested for Driving with a High Blood Alcohol Level?

Before a DUI arrest, a driver's blood alcohol content (BAC) – also known as blood alcohol concentration or blood alcohol level – can be tested by the use of breath tests, blood tests and urine tests.

The most common method by far is the breath test due to its ease of use and speed of result. However, as a Jacksonville DUI defense attorney can demonstrate in court, the breath test is subject to many errors in administration and is hardly a reliable test of BAC. Blood tests and urine tests as well have points of unreliability.

Arrested for DUI due to a high BAC? Get legal help and fight for your rights! Call the Law Offices of Jason K.S. Porter at (904) 701-0591 or contact us online today for a free initial consultation. **Consultation fees may apply to family law consultations.

Legal BAC in Florida

In order to have an objective test of DUI, legislators across the country (including Florida) have adopted laws that define having a blood alcohol content (BAC) of or over 0.08 percent as creating a presumption of drunk driving.

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Pick Porter™ Today!

At The Law Offices of Jason K.S. Porter, P.A., you have the benefit of three former DUI prosecutors with approximately 100 years of combined legal experience. As former DUI prosecutors having used breath test to make our cases, we know intimately their points of unreliability. We also know how blood tests and urine tests can fail to show correct BAC. We use this knowledge and experience to defend our clients charged with DUI and are accomplished at obtaining dismissals and acquittal of charges. 

No matter the exact charges you find yourself facing, we encourage you to contact us for a free initial consultation to discuss your defense. **Consultation fees may apply to family law consultations.

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Hear From Our Happy Clients

Serving Jacksonville, FL Since 2004

    "He is a seasoned professional that is respected within the law community."

    I first met Jason Porter in 2003, when our children attended a Christian Preschool together. I saw what he did within our community. He helped many of the families from the preschool over the years so when it came time that my family needed a lawyer I chose him. Jason has helped my family and several of my personal friends, all with positive outcomes. He is a seasoned professional that is respected within the law community. You will be treated with the utmost respect and compassion. I don't know another lawyer of his caliber that offers free consultations and you speak to him personally. Pick Porter.

    - Angie O.
    "Jonathan Thacher was definitely there when I needed a lawyer."
    I am so incredibly grateful for picking Porter. Jonathan Thacher was definitely there when I needed a lawyer.
    - Sharon F.
    "I will definitely be using them again if I ever need to!"
    First off let me say how much I love this law firm!!! My boyfriend was referred by a friend and I'm glad we listened! This was the first time we ever needed a lawyer and Richard Watson was INCREDIBLE! He knows his stuff and he doesn't settle for anything less than what we deserved! We loved talking to Bonnie when we called she was always so cheerful and helpful! I recommend YOU to choose this office!!!!!! I promise you won't be disappointed !!!! I will definitely be using them again if I ever need to!
    - Sara B.
    "Thank you guys so much!!"
    We had the absolute best experience working with Mr. Porter’s office. Our daughter was severely hurt last summer due to someone else’s negligence and we won our settlement! We were extremely happy with this law firm!!!!! Dani is also the best paralegal and she was wonderful to work with and very prompt with all my emails and questions I had! Thank you guys so much!!
    - M.M.
    "They will work with you and fight for you."
    If you're reading this then it is not too late!! I too spent countless time searching for the right law firm for me personally and let me tell you that Jason Porter and associates have to be the best around town!! They will work with you and fight for you. If you have any problems, Pick PORTER. I promise you won't regret it!!!
    - Boss N.
    "Jonathan made us feel comfortable and confident that he would work diligently on our behalf."
    The purpose of this letter is to express our appreciation for Jonathan Thacher's legal services associated with our daughter's case. Jonathan was and is always available for questions. If we left a message, he would always get back to us in a prompt fashion. It isn't easy to find such a capable lawyer who seems to be in the right job. He is caring and very attentive to us. No questions went unanswered. Jonathan made us feel comfortable and confident that he would work diligently on our behalf. In the end, we felt blessed that we had the right person to help us when we felt lost. I can't tell you how important it is to choose the right lawyers for your case. He certainly lifted a weight off our shoulder to know that Jonathan and the firm's staff were working for us and a good conclusion to our problem.
    - Edward & Sondra A.
    "definitely recommend Mr. Porter"
    me & my family were a little scared at first but Mr. Porter took care of us and got my case thrown out with no probation or jail time definitely recommend Mr. Porter
    - R.M.
    "He prepared our family through each and every step."

    "Bad things happen to good families and people” That is one of the first things Jason said to me and my son. The laws are set to protect us. However, the law can be black and white when there are several shades of grey. If a man has a beer in his own house after coming back from war but is only 20, should his dad be charged for contributing to the delinquency of a minor? Have you ever done something now looking back, it may not have been the best decision but nothing happened? That was not the case a few years ago to my family. A bad decision, one I am sure many of us have done in our younger days. A bad decision was made and it could have ruined a young man’s future. The courts are busy and things can fall through the cracks; I was making sure my son was not one of them. I knew Jason had worked for the District attorney’s office so he knew both sides of the law. He knew what the other side was going to do and say because he was there for many years. He prepared our family through each and every step. He made sure that we were proactive “getting ducks in a row” so to speak. If there was something mentioned, we had already taken care of it and showed no history and really no where for the other side to go. What could have been jail time ended up being a bump in the road. No one can promise anything is a sure thing. Jason did not make any promises he was not prepared to keep. He told us what normally happens, and what he was going to try for and he did. I rather have someone say there is a 70/30 chance than, “sure this is no problem, don’t worry about it”. We do worry about it. It is our lives or one of someone we love. Some cases may not be life or death, but they all are between a life that could be and a life that never will be. Jason understands that and approached it as if was his brother standing next to him. Every now and then, I will look at my son when eating dinner or something and think, if it was not for Jason and his group, I would have to visit my son to see him. I thanked God for Jason being there then, and have every day since.

    - Satisfied Client

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