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I'm working with a farmer putting in piping for transfer of digested effluent and milkhouse waste water and he would like to know how long it will take for any liquid in the pipe to freeze. I know I"m leaving out a lot of variables but how would you go about figuring this out? I'm sure it has...

I have been using WinSLAMM as one of the programs to model stormwater infiltration and TSS removal. I was recently told that when I went from pre-development to post-development I needed to change my soil to clay no matter what the actual soil type is. Does anyone know when this rule went into...

I'm just wondering if anyone else has run into this issue. I have done the long efficinecy calculation to determing 80% TSS removal and the corresponding particle size is 5.86 mirons. Now I'm getting conflicting requirements that say I have to settle the 5 micron particle, which is providing...

Where did the thread go to get your name added to the passing banner?? I finally passed after my third attempt and I would like to see my name up there. :bananalama:

I just got my second "You did not pass" letter today :0fail I was wondering if anyone that did not pass took WR in the afternoon and got a total percentage score. I figured out my breakdown and it looks like I got a 50/80. I was curious what the score needed to pass was. Here's my breakdown...