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As of Sunday afternoon Robert F let me know that both nitrogen tanks were empty. As of Friday the tank on the left felt ¾ full (about 120-100 liters). The log shows that we have only pulled 37 liters from the left tank. Either the tank is faulty, the valve is not being closed all the way or we are not recording all Nitrogen draws. The backup Dewar on the dock was ¾ full before Sunday shows and usage.
I have an order in for Tuesday delivery of gasses. It is highly unlikely that Airgas will deliver on Monday. We are also very low on hydrogen, which is in the order for Tuesday as well. Please make adjustments to your shows in order to stretch the gasses until Tuesday's delivery.

Tim Pula
Explore More Stuff Lab Manager
Discovery Place, Inc.
301 North Tryon Street
Charlotte, NC 28202-2138
704.372.6261 x492
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