{"id":14383,"date":"2024-11-14T22:31:52","date_gmt":"2024-11-15T03:31:52","guid":{"rendered":"https:\/\/www.carolinaattorneys.com\/blog\/?p=14383"},"modified":"2024-11-15T11:21:00","modified_gmt":"2024-11-15T16:21:00","slug":"understanding-retrograde-extrapolation-in-dui-cases","status":"publish","type":"post","link":"https:\/\/www.carolinaattorneys.com\/blog\/understanding-retrograde-extrapolation-in-dui-cases\/","title":{"rendered":"Understanding Retrograde Extrapolation in DUI Cases"},"content":{"rendered":"

Police and prosecutors in North Carolina regularly use breath or blood test results taken after someone has been driving to prove \"BAC-DUI-CHARGES\" impairment. Q<\/span>uestions can arise about the accuracy of the reported BAC if testing was delayed. Retrograde extrapolation attempts to estimate prior blood alcohol concentration by “back tracking,” using a combination of math and science.<\/span><\/p>\n

Retrograde extrapolation rests on understanding the processes of how alcohol is absorbed and later eliminated by the human body – Bill Powers, DUI Defense Attorne<\/em>y in North Carolina\u00a0<\/span><\/p><\/blockquote>\n

This post breaks down the basic science behind these calculations, examines how they work, and looks at what makes them both potentially reliable and questionable in different situations.<\/span><\/p>\n

Continue reading<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"

Police and prosecutors in North Carolina regularly use breath or blood test results taken after someone has been driving to prove impairment. Questions can arise about the accuracy of the reported BAC if testing was delayed. Retrograde extrapolation attempts to estimate prior blood alcohol concentration by “back tracking,” using a combination of math and science. […]<\/p>\n","protected":false},"author":2,"featured_media":14388,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[90],"tags":[1395,1390,1394,1392,1393,1391],"class_list":["post-14383","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dui","tag-calculating-bac-junk-science-or-reliable-evidence","tag-dwi-defense-strategies","tag-law-technology-behind-dwi-charges-in-north-carolina","tag-nc-dui-defense-lawyer-bill-powers","tag-the-science","tag-what-is-retrograde-extrapolation"],"yoast_head":"\nUnderstanding Retrograde Extrapolation in DUI Cases<\/title>\n<meta name=\"description\" content=\"Confused about DUI charges? Learn the science behind blood and breath tests. Protect your rights. Call the Powers Law Firm at 704-342-4357\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carolinaattorneys.com\/blog\/understanding-retrograde-extrapolation-in-dui-cases\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Understanding Retrograde Extrapolation in DUI Cases\" \/>\n<meta name=\"twitter:description\" content=\"Confused about DUI charges? Learn the science behind blood and breath tests. Protect your rights. Call the Powers Law Firm at 704-342-4357\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/www.carolinaattorneys.com\/blog\/wp-content\/uploads\/2024\/11\/DUI-RETROGRADE-EXTRAPOLATION.webp\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Carolina Attorneys\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Understanding Retrograde Extrapolation in DUI Cases","description":"Confused about DUI charges? Learn the science behind blood and breath tests. Protect your rights. 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