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I am using Hydroflow Hydrographs and would like to know if anyone has the IDF file for the Delmarva Hydrograph. Thanks, Hockeyfan960

I get the small thrill from the countdown clock....don't ask why...but I like it....

Maybe some PA PE's can help me out, how long does the board take to give out your number and certify the you are now a PE. The letter from EES said that it could take up to 90 days. Does anyone have any experience with this...???

I am looking for a quick way to convert the Deg Min Sec reading from my GPS to State Plane Coordinates which are in Feet so that I can plot them in AutoCAD. I found one converted but it converts Deg Min Sec into State Plane in meters which I can not convert to points in my AutoCAD drawing...

I am trying to find out what formula I should use in trying to figure out the volume of "clean" soil I need to mix to contaminated soil in order to bring the concentration of the contaminated soil below the threshold level... Can anyone give me a place to start...??

Can anyone help me with a soil dilution calculation..??? I have a volume of soil (1,250ft3) with a concentration of arsenic at 38mg/kg and I need to mix it so that the concentration is below 20mg/kg. Can some one give me a starting point...???

I was wondering what books everyone took to the last test in October for the PM Geotech portion of the test, so that I can get a jump start on hunting them down for april....