Etg per drink

ETG urine test calculator is often used in urine tests to detect recent alcohol consumption due to its presence in the body for an extended period. ETG, or ethyl glucuronide, is a metabolite formed in the body when alcohol is broken down. This metabolite remains in the system for an extended period.Mar 4, 2015 ... Unfortunately, EtGs are somewhat expensive. If two EtG tests per week is not affordable, then a random UA schedule should be implemented. A 12 ...The Formula of ETG Elimination Calculator. To calculate the elimination time of ETG, you can use the following straightforward formula: Time (in hours) = 0.693 × (ETG Half-life) This formula helps you determine the approximate time required for your body to eliminate ETG fully. The ETG half-life is a crucial parameter for this calculation, as ...EtG calculator says you’ll fail but that thing is super conservative and sort of useless once you start inputting more than like 6 drinks. Let’s say you did 50,000 EtG per drink x 10 drinks is 500,000 which is probably high and you start halving this at midnight Saturday, according to that formula you’ll pass first thing Monday and for ...Title. Worried the lab test will come back positive for etg. Took my test about 40 hours after drinking. Had two home test that were negative and initial test with PO was negative as well. Worried about lab results. Thank you for any information.12oz beer, 1 shot/mixed drink, 1 glass of wine. This is good to calculate ETG for a few drinks, but it’s way off for heavier drinking. I once completely screwed up and had 10 drinks less than 48 hours before I tested, and even one of those was like 30 hours before the test, which makes it worse. I tested at 132ng.In hair, a positive EtG test at all three thresholds indicated some weekly alcohol use (PPV = 0.99–1.00), whereas a negative EtG test at all three thresholds was best for increasing-risk and high-risk drinkers (NPV = 0.89–1.00 or 0–11% chance of being classified incorrectly as a negative test). Similarly, in fingernails, a positive EtG ...

The highest ive seen is 40,000ng/ml. It is generally accepted that it takes 2.2 to 3 hours for the half lofe of etg. Going off of 3 hours for halflife and 40000 etg per drink, you could drink an entire fifth of 40% alcohol, and be clean in 33 hours or so if your kidneys/liver are not failing.Jul 6, 2021 ... After a few drinks, EtG can be present and detected in urine for up to 48 hours. If the drinking is heavier, it can sometimes be detected up to ...Don't have to do a test until Tuesday evening. I've read that each drink produced about 10-50,000 ng of etg and has a half life of 2-3 hours. Many say the 80 hour detection time table is a myth. I figured, using 50,000 ng x 12 drinks =600k ng, with a half life of 3 hours, I should be good after about 60 hours.Ethyl glucuronide (EtG) urine test: EtG is an alcohol metabolite. Although EtG tests usually have a detection window of about 24 to 72 hours, the metabolite may be …Nov 4, 2022 ... ETG Urine Test | Ethyl Glucuronide Test | Alcohol Testing In Urine | Alcohol Use Disorder |. 1.5K views · 1 year ago ...more ...The literature indicates that a single drink usually, but not invariably, results in an ETG concentration exceeding 100ng/mL cut off for 24-36 hours, Thus a negative result can usually be considered confirmatory of a self report denying alcohol use for about the most recent 24 hours and/or “heavier” drinking for two-to four days.

What day was the ETG test? If the test was more than 72 hours after you drank, you are probably in the clear. Some people clear it even faster. It is a rolling thing. Each time you consume alcohol you will add new ETG in your system, and will test positive for somewhere around 24-72 hours.An initial study suggested detection times for urinary EtG up to ∼75 h (Alt et al., 1997) and, more recently, detection times for EtG ranging from <24 h to >90 h were demonstrated in alcohol-dependent patients during recovery from heavy drinking (Beck et al., 2007). The present work was conducted to establish the detection windows for EtG …May 26, 2018 · Ethyl glucuronide (EtG) is an applied state marker of alcohol consumption in clinical and forensic settings today. Due to the slower elimination kinetics compared to ethanol, the detection window of alcohol consumption is significantly improved by EtG urinalysis ( Helander et al., 2009 ). Another study found levels of 20k-80k after 2 drinks. It doesn’t matter if you drink beer, wine or liquor. But look up what a standard drink measures. Also, from experience and some data, it’s not linear. If you drink more at a sitting, the proportion of EtG produced also increases per drink. TLDR: if you can keep it to 6-8 standard drinks ... For most testing purposes, the EtG alcohol urine test is what is primarily used. These tests look for the compound Ethyl Glucuronide, shortened to EtG in most instances. This compound is a metabolite of alcohol and is present in the body after one consumes a drink. However, this alcohol urine test is only accurate for roughly the previous 80 hours.

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Pace yourself: It's best to have no more than one standard drink per hour, with nonalcoholic "drink spacers" between alcohol beverages. On any day, stay within low-risk levels of no more than 4 drinks for men or 3 for women. Note that it takes about 2 hours for the adult body to completely break down a single drink. Do not drive after drinking.Take T and divide by 3, this will be S. Then do 2 ^ s (2 to the power of s) D is your etg levels as of your last drink, so take D / (2 s), the answer should be a small number that represents your etg levels at test tme. Here is the steps in order. Amount of drinks * 40,000. Time until test / 3. 2^ of your time/3 (^ = to the power of) Take your ...As for heavy drinking, EtG testing can detect 84% in a day and 79% after 5 days. 5. Another study found that EtG tests are always positive at the 100 ng/ml and 200 ng/ml cut-offs within 12 hours. They become less effective at 24 hours with light alcohol use and 48 hours with heavier alcohol use. 4.Sensitivity of urinary EtG for detection of drinking as a function of cut off and time since drinking: Graph shows percent positive for EtG using each of three cut-offs (100, 200 and 500mg/dL) for those who acknowledged their last drinking episode within <24 hours (n = 56), 25 – 48 hours (n = 26), and 49 to72 hours (n = 14) prior to the ...I have regularly passed etg urine tests 36 hours after drinking heavily. A lot of it depends on your metabolism. You can flush with LOTS of water and pee per pee the days leading up to the test as etg is mostly urinated out. However DON'T drink too much water the day of the test and if it can be avoided, NEVER give a sample first thing in the ...Similarly, in the clinical trials EtG sensitivity was good for detecting any drinking during the last 24 hours at the 2 lowest cutoffs, but under 40% during the last 24 to 48 hours. Sensitivity was reduced at the 500 ng/ml cutoff. Discrepancies between EtG and EtS were few. Comparison of self-reports of abstinence and EtG-confirmed abstinence indicated …

Your ETG's then, will peak around 9PM. Peak number can range, and EtG per drink also fall under a fairly wide range, but IMHO it should be safe to assume 15,000 ETG per drink - so that's 180,000. Every three hours (at the most) your ETG count will be cut in half. So let's walk through this (some calculations are approximate): 9PM Friday 180,000EtG/EtS has emerged as the marker of choice for alcohol and due to the advances in technologies is now routinely available. Its presence in urine may be used to detect …Zitiert. Hintergrund: Alkoholmarker spielen nicht nur im forensischen Kontext, zum Beispiel bei Sorgerechtsprozessen oder zum Nachweis einer Alkoholabstinenz nach Führerscheinentzug, eine ...Given: EtG peaks at 12 hours after the last drink. Each drink peaks at 50,000 ng/mol EtG. Half life of EtG is 3 hours. Court uses a 500ng/mol cutoff (standard) Last drink was at 5:30pm, 2 drinks total, plus 12 hours is when we start counting down. 5:30am- 100,000. 8:30am- 50,000. 11:30am- 25,000.Take T and divide by 3, this will be S. Then do 2 ^ s (2 to the power of s) D is your etg levels as of your last drink, so take D / (2 s), the answer should be a small number that represents your etg levels at test tme. Here is the steps in order. Amount of drinks * 40,000. Time until test / 3. 2^ of your time/3 (^ = to the power of) Take your ...Zitiert. Hintergrund: Alkoholmarker spielen nicht nur im forensischen Kontext, zum Beispiel bei Sorgerechtsprozessen oder zum Nachweis einer Alkoholabstinenz nach Führerscheinentzug, eine ... 2k Views. One source I found said that EtG levels can be as high as 15000 ng/ml after 3 standard drinks. So I am assuming one drink = 5000 ng/ml at peak. Alcohol needs to metabolize before EtG begins to produce, so no matter what you gotta count 1.5 hours per drink before you start estimating peak time. I have read anywhere from 3 hours to 9 ... If I had 20 drinks, then my EtG level would be 10,000,000 ng/ml. To reach a level below 500 would take between 15 and 16 half-life's. From research, I learned that the half-life is around 3 hours on average. So, to be safe, I calculate the half-life at 4 hours. For 15, that would be approximately 60 hours.Your body will take 12 hours to process all the alcohol (most adults process one drink an hour like clockwork), so that's 12 Noon Friday. Your ETG's then, will peak around 9PM. Peak number can range, and EtG per drink also fall under a fairly wide range, but IMHO it should be safe to assume 15,000 ETG per drink - so that's 180,000.Nov 11, 2012 ... EtG (Ethyl Glucuronide) is a common urine ... EtG (Ethyl ... Alcohol is eliminated from the body at a rate of approximately 1 drink per hour.

Ethanol is eliminated primarily by oxidative metabolism in the liver to acetone and acetaldehyde at a rate of approximately one drink (12 oz. beer, 5 oz. glass of wine, 1.5 oz. distilled spirits) per hour. 4 EtG and EtS are minor metabolites of ethanol, formed in the liver by the conjugation of ethanol with glucuronic acid and sulfate ...

Ethyl Glucuronide test (ETG) is a non-volatile, water-soluble diret metabolite of ethanol, showing a high storage stability. It is one of the fastest emerging biomarkers … EtG peaks at 12 hours after the last drink. Each drink peaks at 50,000 ng/mol EtG Half life of EtG is 3 hours. Court uses a 500ng/mol cutoff (standard) Last drink was at 5:30pm, 2 drinks total, plus 12 hours is when we start counting down. 5:30am- 100,000 8:30am- 50,000 11:30am- 25,000 2:30pm-12,500 5:30pm-6,250 EtG concentrations in wine ranged from 281 to 3720 μg/l and different quantitative results were observed for the different types of wine. The results are box …It’s Sober October which means that a lot of people, for one reason or another, are taking a month-long hiatus from booze. Though I enjoy adult beverages, there is real value in ta...For a person weighing 150 pounds, for example, one standard drink will increase their blood-alcohol concentration by about 0.02%, but the body can only remove about 0.016% per hour on average. Therefore, even if you consume only one drink per hour, your blood alcohol concentration (BAC) will continue to increase. If you …This study showed that male subjects could be drinking alcohol and have a negative test if consuming 1 to 2 glasses (32 g of ethanol) of wine (13.5-14%) daily. For example, the EtG test would not be positive in this case if the subject had less than one drink per day or minimal alcohol in the prior 90 days.Our results provide no evidence that EtG is incorporated into hair in relevant amounts when EBHD are used frequently on a daily basis as EtG was not detected in 18 out of 19 tested hair segments. Even, frequent EBHD use and sporadic drinking of two to four standard drinks per month (participant no. 4 and 5) did not yield detectable EtG levels.EtG peaks at 12 hours after the last drink. Each drink peaks at 50,000 ng/mol EtG Half life of EtG is 3 hours. Court uses a 500ng/mol cutoff (standard) Last drink was at 5:30pm, 2 drinks total, plus 12 hours is when we start counting down. 5:30am- 100,000 8:30am- 50,000 11:30am- 25,000 2:30pm-12,500 5:30pm-6,250Even when drinking a small amount, EtG can be detected (found) within the urine. An EtG test is the most accurate test as EtG can be detected within someone’s urine for about two days or 48 hours. If the drinking is heavier, it can be detected for up to three days or 72 hours. While this is the most accurate form of testing, there are still ...Jun 30, 2015 ... Chronic abusers of alcohol may have a positive test result closer to the 80 hour mark than a person who consumes only a drink or two. EtG ...

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Increasingly, English people drink at home rather than the pub. British people like a drink—particularly between 8pm and 9pm on Saturdays. About 17% of all UK adults report boozing...If you drink beer every night, you could lower your risk for heart disease. Shutterstock. It may sound far-fetched, but drinking beer may just stave off heart disease. Researchers at Brigham and Women's Hospital in Boston, Mass. found that men and women who drank up to seven drinks each week experienced a significantly lower risk …The Formula of ETG Elimination Calculator. To calculate the elimination time of ETG, you can use the following straightforward formula: Time (in hours) = 0.693 × (ETG Half-life) This formula helps you determine the approximate time required for your body to eliminate ETG fully. The ETG half-life is a crucial parameter for this calculation, as ...Office 3366 182-184 High Street North East Ham, London, E6 2JA +447577275000 [email protected]Aug 2, 2023 · The EtG calculator primarily uses the following formula: EtG = (0.8 * Amount of Alcohol in Grams) / (Body Weight in Kilograms * r) where r is the gender constant (0.68 for men and 0.55 for women). It estimates the ethanol concentration in the body and calculates the time taken for this concentration to reduce to a level undetectable by standard ... Similarly, in the clinical trials EtG sensitivity was good for detecting any drinking during the last 24 hours at the 2 lowest cutoffs, but under 40% during the last 24 to 48 hours. Sensitivity was reduced at the 500 ng/ml cutoff. Discrepancies between EtG and EtS were few. Comparison of self-reports of abstinence and EtG-confirmed abstinence indicated …The lowest amount of ETG per standardized drink i have found is 400ng/ml. The highest ive seen is 40,000ng/ml. It is generally accepted that it takes 2.2 to 3 hours for the half lofe of etg. Going off of 3 hours for halflife and 40000 etg per drink, you could drink an entire fifth of 40% alcohol, and be clean in 33 hours or so if your kidneys ...Another study found levels of 20k-80k after 2 drinks. It doesn’t matter if you drink beer, wine or liquor. But look up what a standard drink measures. Also, from experience and some data, it’s not linear. If you drink more at a sitting, the proportion of EtG produced also increases per drink. TLDR: if you can keep it to 6-8 standard drinks ... What is an EtG Alcohol Test? The EtG Alcohol Test, also known as the “80-hour test”, is a scientifically advanced form of alcohol testing. It can tell if a patient has used alcohol within the last 80-120 hours. Here is how it works: Alcohol is rapidly eliminated from the body at a rate of approximately one drink per hour. ….

EtG/EtS has emerged as the marker of choice for alcohol and due to the advances in technologies is now routinely available. Its presence in urine may be used to detect recent alcohol consumption, even after ethanol is no longer measurable using the older methods. EtG testing is a means to detect exposure to ethanal alcohol. The presence of EtG does not indicate that a person is presently intoxicated, but that they have been exposed to …However, generally, a high EtG level is usually anything above 500 nanograms per milliliter (ng/mL). Stay below that level to sail through your test smoothly! How Much EtG Does One Drink Produce. Ah, the million-dollar question! Unfortunately, there’s no magic formula for converting drinks into EtG levels. The amount of EtG …In hair, a positive EtG test at all three thresholds indicated some weekly alcohol use (PPV = 0.99–1.00), whereas a negative EtG test at all three thresholds was best for increasing-risk and high-risk drinkers (NPV = 0.89–1.00 or 0–11% chance of being classified incorrectly as a negative test). Similarly, in fingernails, a positive EtG ...1 Comment. TL;DR: Yes, your ETG Levels can be calculated approximately and Yes, the "80 Hour" myth is mostly a myth. The good news with ETG Testing ( if you slip up and have a drink when you are not supposed to) is that it is possible to calculate your ETG Levels after the consumption of alcohol with tools like this ETG Calculator with taking ...The math of reducing 5000 NG per one drink, in half (divided by 2) related to the time until test, is a good place to start. The half life, is consistently 2-3 hours, on average, using higher values for safety. Number of drinks X 5000. Equals your ETG PEAK LEVEL. Hours until Test (Divided by 3) = How many half Lives.For EtG and EtS, in view of their longer detection window, we investigated the concentrations of analytes in blood up to 120 h after drinking, and it was the first time that pharmacokinetics of ...mouthwash study (whole bottle) - highest EtG = one sample over 300 ng/mL - total of 39 samples. mouthwash study (30 seconds, 3X per day, five days) no EtG over 120 ng/mL - total of 55 samples. mouthwash study (30 seconds, every hour for 8 hours) - highest EtG = 336 ng/mL EtS = 73 ng/mL. mouthwash 27% (Listerine “original”) - 4 times daily ... Sensitivity of urinary EtG for detection of drinking as a function of cut off and time since drinking: Graph shows percent positive for EtG using each of three cut-offs (100, 200 and 500mg/dL) for those who acknowledged their last drinking episode within <24 hours (n = 56), 25 – 48 hours (n = 26), and 49 to72 hours (n = 14) prior to the ... EtG/EtS has emerged as the marker of choice for alcohol and due to the advances in technologies is now routinely available. Its presence in urine may be used to detect recent alcohol consumption, even after ethanol is no longer measurable using the older methods. Etg per drink, Nov 9, 2021 ... ... drinks, per day for two to three weeks. ... Although EtG/EtS can detect evidence of ... drink. The timeframe in which alcohol use can be detected ..., What is an EtG Alcohol Test? The EtG Alcohol Test, also known as the “80-hour test”, is a scientifically advanced form of alcohol testing. It can tell if a patient has used alcohol within the last 80-120 hours. Here is how it works: Alcohol is rapidly eliminated from the body at a rate of approximately one drink per hour., , I read the thread that the “math guy” put out saying he was using 50,000 per drink and 3 hours. The dirty little secret about testing centers, PO’s and the entire legal community when it comes specifically to EtG testing is that it DOES NOT stick around that long. That 80 hour shit is hilarious., Coffee is a very important beverage. Not only is it delicious, but it provides that much needed caffeine boost to “get the little lady going.” It could give us nothing else and we ..., You can research the EtG half life in serum, EtG per drink and various studies on this that inherently make it almost mathematically impossible to fail a 500 ng cutoff FG at or after 80 hours. The whole concept of “the test has a look back period of …, The ethanol exposure is typically the result of drinking alcohol and alcoholic beverages. Since EtG is a metabolite that is present in the body after drinking alcohol, it is a suitable bioindicator or biomarker to test for alcohol ingestion. An EtG test can confirm alcohol abstinence over a specific period leading up to the test., The EtG calculator primarily uses the following formula: EtG = (0.8 * Amount of Alcohol in Grams) / (Body Weight in Kilograms * r) where r is the gender constant (0.68 for men and 0.55 for women). It estimates the ethanol concentration in the body and calculates the time taken for this concentration to reduce to a level undetectable by standard ..., EtG stands for ethyl glucuronide, a metabolite that’s produced by your liver when it breaks down ethanol (also called ethyl alcohol—the kind you drink). EtG …, Two primary factors to determine the window of detection is based on volume of alcohol consumed and the time between each drink. A person that consumes 3 drinks can only have a detectable level of EtG for approximately 20 to 24 hours and peaks at approximately 9 hours with an EtG level around 15,000 ng/mL." , For a person weighing 150 pounds, for example, one standard drink will increase their blood-alcohol concentration by about 0.02%, but the body can only remove about 0.016% per hour on average. Therefore, even if you consume only one drink per hour, your blood alcohol concentration (BAC) will continue to increase. If you …, EtG concentrations in hair ranged from 0 to 180.50 pg/mg and in fingernails from 0 to 397.08 pg/mg. Pearson's correlations between average number of standard drinks consumed each week during the past 12 weeks and EtG concentrations were 0.53 [95% confidence interval (CI) = 0.46, 0.59, P < 0.001] in hair and 0.57 (95% CI = 0.50, 0.63, P < 0.001 ..., Dec 1, 2015 · For each of the five assessment periods (i.e., 1 day to 5 days) the number and percent of light and heavy drinking detected by each EtG-I cutoff was calculated. The rate of positive EtG-I samples when no alcohol use was reported in the last 5 days was calculated. , The National Highway Safety Administration (NHTSA) uses BAC standard drink measurements of: 12-ounce beer. 5-ounce table wine. 1.5-ounce 80-proof liquor. Intoxication levels depend on how quickly ..., A positive interpretation will be given if either the ethyl glucuronide (EtG) result is greater than or equal to 250 ng/mL and/or the ethyl sulfate (EtS) is greater than or equal to 100 ng/mL. A "high" positive (ie, >1000 ng/mL) may indicate:-Heavy drinking on the same day or previously (ie, previous day or 2).-Light drinking the same day , An EtG test can tell if you’ve been drinking in the last 2-5 days. You can get false positives and negatives. An EtG test doesn’t detect alcohol. If you took a test immediately after having a drink, your liver wouldn’t have had time to break down the alcohol into ethyl glucuronide yet, so the test would be negative., I also understand the basic math that many people use to do their own calculation: 50k etg per drink. 12 hours after last drink for etg to peak. Then half life every 3 hours. Pretty simple. Here’s my question: when I play with the calculator and do my own math then I get similar results when calculating lower amounts of drinks, think1-6 drinks. , May 31, 2022 · by Rena Healthyfit il y a 2 ans. For easy numbers, that is to say one drink may raise your etg levels to 5000ng/ml while two drinks may raise it to 20,000ng/ml and a third drink may raise it to 100,000ng/ml. “low” positive tests have levels of etg. By 24 hours the level of etg is usually going to be much lower, at about 100ng/ml. , The Formula of ETG Elimination Calculator. To calculate the elimination time of ETG, you can use the following straightforward formula: Time (in hours) = 0.693 × (ETG Half-life) This formula helps you determine the approximate time required for your body to eliminate ETG fully. The ETG half-life is a crucial parameter for this calculation, as ..., Increasingly, English people drink at home rather than the pub. British people like a drink—particularly between 8pm and 9pm on Saturdays. About 17% of all UK adults report boozing..., Similarly, in the clinical trials EtG sensitivity was good for detecting any drinking during the last 24 hours at the 2 lowest cutoffs, but under 40% during the last 24 to 48 hours. Sensitivity was reduced at the 500 ng/ml cutoff. Discrepancies between EtG and EtS were few. Comparison of self-reports of abstinence and EtG-confirmed abstinence indicated …, One source I found said that EtG levels can be as high as 15000 ng/ml after 3 standard drinks. So I am assuming one drink = 5000 ng/ml at peak. Several sources say different things about how long it takes to peak after the last sip., Heavy drinking is somewhat of a subset of binge drinking. For men, it is defined as drinking more than four drinks in a day or more than 14 drinks per week. For women, this would be drinking more than three drinks per day or more than seven drinks per week. Heavy drinking could also be defined as binge drinking daily. Factors That Affect BAC, The 12 subjects reported 2–22 drinking episodes each resulting in a total of 84 drinking episodes. The maximum number of drinks per occasion ranged between 2 and 10where 1 standard drink was defined as 14 g ethanol according to the NIAAA definition [20] . A total of 1,609breath tests were performed and 55 UEtG tests were collected., You can research the EtG half life in serum, EtG per drink and various studies on this that inherently make it almost mathematically impossible to fail a 500 ng cutoff FG at or after 80 hours. The whole concept of “the test has a look back period of up to 80 hours” is a misnomer. The test has a “look back” of as long a period of time as ..., Two primary factors to determine the window of detection is based on volume of alcohol consumed and the time between each drink. A person that consumes 3 drinks can only have a detectable level of EtG for approximately 20 to 24 hours and peaks at approximately 9 hours with an EtG level around 15,000 ng/mL.", An ethyl glucuronide (EtG) test is a drug test that indicates if you’ve recently had alcohol. EtG is the result of the body breaking down ethanol and causes intoxication. EtG tests most commonly test urine but also detect ethanol in hair, blood, or nails., Each beverage portrayed above represents one standard drink (or one alcoholic drink equivalent), defined in the United States as any beverage containing 0.6 fl oz or 14 grams of pure alcohol. The percentage of pure alcohol, expressed here as alcohol by volume (alc/vol), varies within and across beverage types. , Take T and divide by 3, this will be S. Then do 2 ^ s (2 to the power of s) D is your etg levels as of your last drink, so take D / (2 s), the answer should be a small number that represents your etg levels at test tme. Here is the steps in order. Amount of drinks * 40,000. Time until test / 3. 2^ of your time/3 (^ = to the power of) Take your ..., As noted, the research is vague and imprecise in addressing 5+ drinks. None of the studies dealing with BAC in excess of .10 consider size and BMI. It would be my guess that at a cutoff of 100 ng EtG would be detected. Maybe not at 500 ng. Please let us know the results. *assumes EtOH metabolism between .015 (population ave) and .018 …, The EtG test is used for situations where you need to prove that you have not been drinking alcohol for a certain period. For example, some people who are in treatment programs, probation programs, or professional monitoring programs may need to take the EtG test to show that they are following the rules and staying sober. The EtG …, If I had 20 drinks, then my EtG level would be 10,000,000 ng/ml. To reach a level below 500 would take between 15 and 16 half-life's. From research, I learned that the half-life is around 3 hours on average. So, to be safe, I calculate the half-life at 4 hours. For 15, that would be approximately 60 hours., They use a conservative 50,000 per drink and 3 hour half life. So say 12 shots of Titos that ended at midnight. I'm just making this time frame up. 50,000 at 12 drinks is 600,000 peak etg 6 hours after you stopped. We can cut it in life every 3 hours. 9am- 300,000 Noon- 150,000 3pm- 75,000 6pm-37,500.