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' west Eft Coal Coaparty, Me. <br /> ' <br />Post QHtt:e 90i 591 <br /> Sow+erstt. Colusdo 8114 `® <br />Teleptwne 303 929 5015 ' <br /> <br />' April 25, 1985 <br /> <br /> Colorado Department of Health <br /> water Quality Control Division <br />' Denver, CO 80203 <br /> Re: Kasimum BOD and Total <br />' Suapeaded Solids Exeeedaaces <br /> Deer Sirs: <br /> The results of the March sample, from discharge location <br /> 007 were out of compliance on HODS sad TSS. "The reason' <br /> for this exceedances was the clarifier sludge rake <br /> drive. A shear pin fell out of the drive and was <br />' unnoticed for a couple of days. sy the time it was <br /> noticed, the sludge in the clarifier, after sitting <br /> <br />• for three (3) days, had turned septic.. When the <br />•• problem vas found, it vas immediately corrected. The <br />_, sludge return was opened to full return and all of the <br /> bad sludge was• airated as fast'as'possible. Sludge <br /> was also wasted and the plant began cperatiag properly <br /> in about a week. <br /> This is the first time thin problem has occurred in <br />' our plant and we have taken measures to be sere it <br /> does not happen again. <br />' Should there be any questions, please contact me at <br /> the above listed phone number. <br /> <br />' Sincerely, <br />.. ..._ <br /> <br />' Robert D. Bowman ' <br /> Environmental Supervisor <br />- --... <br /> _.. RDH/Jm .. .. ... <br />' Attachments <br />.. _ .. .. .. <br /> A-3 <br /> <br /> <br />uxo-sm. ' <br />