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Massachusetts Drunk Driving Laws & Penalties

2nd Offense Drunk Driving Laws & Penalties What should I do if I've been charged with a second offense?

14 Reasons to Fight Your DUI in Court

OUI Case Wins Here is a list of cases just like yours and what happened. Not Guilty results and dismissals.

DUI Cases - Frequently Asked Questions

What will it cost to hire you? How I charge for OUI defense.

Why Hire Russell Matson? Training. Experience. Results.

10 Mistakes People Make in their DUI Cases

9 Reasons Why You Can Fail Field Sobriety Tests - Without Being Drunk! Field Sobriety Tests are often set up for you to fail. Here are 9 absolutely legitimate reasons why.

Top 9 Lawyers Mistakes in Defending DUI Charges (and how to avoid them)

10 Common Police Mistakes in DUI Arrests

3 Reasons Why Some People Plead Guilty

What happens in an OUI court case? What is the arraignment, the pretrial, and other court dates?


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What is the Legal Limit for Alcohol Consumption in MA?

In Massachusetts, the legal limit for alcohol is .08 Blood Alcohol Content (BAC) for those over 21, and .02 for those under 21 (aka zero tolerance).

You are generally better off not taking the breathalyzer if asked to do so by the police. The fact that you refuse the breath test/breathalyzer test cannot be noted or used against you in court. If you've been charged with driving while over the legal limit, you need to consult with a lawyer.

If you've been arrested and did take and fail the breathalyzer test, there are a number of things we can do to fight your OUI charge. Even the police will acknowledge that a breathalyzer is only accurate to +/- .02 BAC.

 Call me anytime to discuss your case, with no obligation, at (781)380-7730.

-Attorney Russell Matson

 

What Factors go into a Blood Alcohol Content Calculation?

  • FLUID OUNCES CONSUMED
    (Beer ~ 12 oz. Wine Glass ~ 4 oz. 1 Shot ~ 1.5 oz)
  • YOUR WEIGHT (Lbs)
  • ALCOHOL PERCENTAGE IN BEVERAGE
    (Beer ~ 4-4.5% Wine ~ 15-20% 1 Shot ~ 30-50%)
  • HOURS CONSUMING DRINK
This BAC Calculator is a rough estimate of the alcohol level in your bloodstream.
Fluid Ounces Consumed Percent Alcohol
Your Weight (Lbs) Hours Consuming Drink
BAC Percentage
BAC Analysis

BAC vs. BrAC

Most BAC is levels are calculated by a breath test machine, commonly known as a breathalyzer. The breathalyzer calculates breath alcohol content (BrAC) which is translated into an approximately equivalent blood alcohol level (BAC). There are often problems with these calculations, since they are based on average lung capacity and biology, and not everyone is "average".

Further reference on the effects of Alcohol consumption, at different BAC levels.

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