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• speak to Mr. Heufelder who he saw a the test center located at Otis. Mr. <br /> Heufelder stated that one of the best ones was the Bio-dere for results* <br /> Mr. Ryther thought that the Amphidrome was a better choice. But, again, <br /> to retrofit this existing system the Bio-dere would work best in this <br /> situation. Mr. Heufelder did not have any that had actually gotten down to <br /> 10 with more or less the off the shelf denitrification units. <br /> Mr. Harrington asked Mr. Ryther if he could ask a question. He said to Mr. <br /> Ryther that he had not seen any elevations on the detail for the Bio-dere. <br /> How r much of this was sticking out of the ground? <br /> Mr. I yther responded that three feet would be out of the ground. He added <br /> that this machine was quite deep. The tank was down a ways. <br /> Mr. Harrington understood that it was a big unit and he wondered how <br /> much was going to be above the ground. He didn't have anything to go by <br /> Dere in relation to the location. <br /> Mr. Fyther apologized for that omission. But, he did want to see if the <br /> board would accept this design where he was at this point. It was a <br /> stamped drawing, 1t did not have a complete set of detailed page or <br /> profiles, He would certainly provide the board with this information. But, <br /> he didn't want to go in the wrong directionN <br /> 1r. Harrington agreed and said than that was fine. Hei was just curious. <br /> Mr. Ryther stated that the last item was the ground water well. There was <br /> a requirement that they needed a groundwater well 101 from the let line <br /> down gradient of this system. One of the problems that they had on this <br /> site was the drainage. The main street here drains down through this <br /> direct pipe through a low area on parcel one. In fact, it was off the lot <br /> were it drained to. The site here, which was paned, had an area that had a <br /> catch basin that drained back into here. He points this information out n <br /> the plan.) They mould see two waterways, These waterways were paged <br /> swat s that drained into tete lower area with a lot of surface run off <br /> retaining nitrogen. It all went right here. (Again he points to the plan.) To <br /> place any kind of a well 101 off of the lot line would suggest in here or <br /> perhaps something here. But, it was so close to one leach pit. He was not <br /> sure if that was way to test this site. <br /> i <br /> IIIb. Harrington asked if he could back Mr. Ryther up for one second. Was it <br /> a dorm grade property as far as getting to the groundwater flog <br /> Mr. Ryther responded that it was probably off in this direction. (Again h <br /> Points to the plan itself.) <br /> 2 <br />