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PSI Water Characterization Report Page 2: <br />According to Torrent Laboratory, the well water in our area is above the Federal EPA MCL <br />limits for Nitrate as NO3. Also the combined Nitrate as Nitrogen is also above Federal <br />MCL's (this is due to the large amounts of fertilizers used previously in this area). The lab <br />said that if this water was to be used for drinking water, corrective actions would have to be <br />taken to bring those parameters into control. <br />This goes along with what we were saying before, that we are taking polluted non drinkable <br />water from the ground, and what we are putting back into the ground (via the septic <br />system) is cleaner, as our Ultra -Pure DI -Water contains no Nitrates whatsoever. <br />Also included with Torrent Laboratory's required reports on our discharge water and well <br />water, is an extra report we had done on the well water called "well water complete." This is <br />the report where you will find the high Nitrates that are a significant health risk. <br />I have also attached a copy of the recent Tracy water report for our area, and while we are <br />not experts, it seems that all tested contaminates are within normal min -max levels <br />occurring in the Tracy ground water supply, except "sodium fluoride" of course which is <br />added to the supply to fight cavities. Certainly none of them (Sulfate, etc.) come close to <br />the MCL limits contained in the Tracy ground water report. <br />In conclusion we are pleased with the work we did to bring pH control here at Process <br />Specialties into a tighter resolution. It was a lot of work, but the results are reproducible and <br />stable. Also it is important to note, that even though our discharges were a bit high on the <br />pH scale before, in over 20 years of operation we have never had any trouble with the <br />septic system. With over 60 people in this building, the amount of human waste at a low pH <br />going into the septic system daily probably helped the system achieve a normal pH <br />balance. Now that we are discharging at a lower pH (by a point or so), we hope things don't <br />go south on us, and we end up having negative results with our septic system. <br />Please let us know if you have any further questions or need any addition information. <br />Regards, <br />Edward Morris <br />VP Engineering <br />Process Specialties, Inc. <br />1660 West Linne Rd. Bldg. A <br />Tracy, California 95377 <br />