Andrew posted in the "fitness Test" thread a link to the beep test in an Excel sheet format. Here is a link to that.

http://www.yousendit.com/transfer.ph...Uzc1R00wTVE9PQ

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An aquifer is a water bearing layer of rock or soil. Aquifers are separated by impermeable layers of rock or clay called an aquitard. Aquitard, however may sound a bit offensive to some, and therefore we will be changing the name to Aquachallenge.