Although the lactate threshold is defined as the point when lactic acid starts to accumulate, some testers approximate this by using the point at which lactate reaches a concentration of 4 mM (at rest it is around 1 mM).
The Greater Milwaukee Open was a regular golf tournament in Wisconsin on the PGA Tour. It was played annually in July in the Milwaukee suburb of Brown Deer at the Brown Deer Park Golf Course. U.S. Bancorp was the main sponsor of the tournament. The 2009 purse was $4 million with a winner's share of $720,000.
Since 1910 the Zoological Society has been a driving force behind Milwaukeeâs Zoo, from the time it was the 38-acre Washington Park Zoo on Vliet Street in Milwaukee, Wis., through the move to its 209-acre location on Blue Mound Road in the 1950s. Its name was changed to the Milwaukee County Zoo in 1953. The new Zoo officially opened on May 1, 1961.