Sticht & Kaferstein 20 estimated that the blood THC concentrationsproduced in a 70kg person smoking 15mg THC would peak at 7-8 minutes,after 30 minutes between 14-42ng/ml, and at 60 minutes between 7.5-14ng/ml.3.3 McBay 21 compared THC and THC-COOH levels in a study involving smokedmarijuana cigarettes.ticht & Kaferstein 20 estimated that the blood THC concentrationsproduced in a 70kg person smoking 15mg THC would peak at 7-8 minutes,after 30 minutes between 14-42ng/ml, and at 60 minutes between 7.5-14ng/ml.3.3 McBay 21 compared THC and THC-COOH levels in a study involving smokedmarijuana cigarettes.
1 Days in A/R: This figure represents the number of days of A/R outstanding, based on your average daily charge volume. 2  To calculate it, take your total current receivables (net of credits) divided by your practiceâs average daily charge amount.
How to Calculate FMLA Days By Jackie Lohrey; Updated June 17, 2017 Calculating Family and Medical Leave Act eligibility, and remaining days available, can be confusing both for employers and for employees. A main sticking point often relates to the FMLA definition of a workweek. Instead of using a standard 7-day week and 24-hour day, regulations define a workweek as the time an employee actually spends working. However, once you establish initial eligibility, there are a number of ways to track and calculate FMLA leave days.