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2016-04-29_HYDROLOGY - M1977342
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2016-04-29_HYDROLOGY - M1977342
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Entry Properties
Last modified
10/29/2020 11:27:53 PM
Creation date
5/3/2016 9:51:19 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977342
IBM Index Class Name
Hydrology
Doc Date
4/29/2016
Doc Name
Mine Groundwater NPL Exceedance Notification
From
Climax Molybdenum
To
DRMD
Email Name
PSH
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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Water Systems Engineering, Inc. 785.242.6166 http://www.h2osystems.com <br /> to below 100 ppm, add additional sodium hypochlorite in increments of 0.12 gallon to raise it to <br /> that level. <br /> Based on information provided, the following volumes are necessary for each step of the <br /> recommended treatment process: <br /> Rehabilitation <br /> Phosphoric Acid (85% strength) 2.5 gallons <br /> Biodispersant 1 gallons <br /> Potable water for blending 53 gallons <br /> Disinfection <br /> Sodium Hypochlorite (12% strength) 0.25 gallons <br /> Chlorine Enhancer 0.02 gallons* <br /> Potable Water for blending 110 gallons <br /> *Note: Considering that this is a small well requiring a small chemical treatment volume, the <br /> addition of chlorine enhancer may not be necessary, particularly considering the low alkalinity of <br /> the well water, a major factor in the calculation of the amount of enhancer necessary. After <br /> mixing the chlorine and water measure the pH, if it is not above 7 no enhancer is necessary. If <br /> it is above 7 but not extremely high, add household vinegar while measuring the pH until the pH <br /> is below 7. <br /> Before reinstalling the pump, conduct a thorough inspection of all pump bowls, column pipe, and <br /> shafts to check for wear, cracks, and corrosion that may have been caused by the corrosive <br /> water. Leave a slight chlorine residual in the well (25 to 30 ppm) to disinfect the pump and use <br /> the production pump to remove the residual. <br /> It is recommended that the well be put into operation as soon as possible and pumped on a <br /> regular schedule to inhibit the regrowth of microorganisms. Also, it would be advisable to <br /> conduct a periodic monitoring analysis to monitor bacterial regrowth since the presence of <br /> organic carbon can contribute to ongoing bacterial problems. <br /> If you have any questions regarding the analyses or the information presented, please contact <br /> our office. <br /> Paul D. Buozis <br /> Professional Geologist <br /> 20175.w.pw.p.MLGW-ACR Page 6 of 6 <br />
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