According to official figures, the first-dose target for the administration is nearly 5,400 as daily average during the past four weeks, and the department has to administer an average of nearly. TWA - Time Weighted Average Noise Levels - and Noise Dose. The TWA shows a worker's daily exposure to occupational noise (normalized to an 8 hour day), taking into account the average levels of noise and the time spent in each area. This is the parameter that is used by the OSHA Regulations and is essential in assessing a workers exposure and what action should be taken. Working Out the Noise. A patient's average URR should exceed 65 percent. A patient's average Kt/V should be at least 1.2. A patient's URR or Kt/V can be increased either by increasing time on dialysis or increasing blood flow through the dialyzer. References [1]National Kidney Foundation: K/DOQI clinical practice guidelines for hemodialysis adequacy, 2000. Last 3 Weeks Logarithmic Scale Rolling Average (7 Days) 's Vaccine Administration / Distribution Gap. Last 3 Weeks Logarithmic Scale Rolling Average (7 Days) Reopening Metrics Some provinces use adult (18+) vaccination rates in their plans to lift public health measures. These values reflect vaccinations in people over 18, and uses 's internal population estimates for those over 18.