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meClimax Mol ybdenum COLORADO OPERATIONS <br /> Henderson Mill <br /> A Freeport-McMoRan Company 19302 County Road 3 <br /> Parshall, CO 80468 <br /> Phone (303)569-3221 <br /> May 3, 2017 WE1VED <br /> MAY 12 2017 <br /> Via Email and UPS: 1Z 804 847 03 7539 1661 <br /> 4"OF RECLAMATION <br /> 1J fl .W SAFEW <br /> Mr. Peter Hays <br /> Division of Reclamation, Mining and Safety <br /> 1313 Sherman St., Rm. 215 <br /> Denver, CO 80203 <br /> Re: 6"Follow-up Notice for Fire Water Line Incident, Permit No. M-1977-342 <br /> Dear Mr. Hays: <br /> Henderson Mill is providing this written follow-up notice to a phone call made to you on May 3, 2017 at <br /> approximately 2:45pm pursuant to Rule 8.1 and 8.2 of the DRMS Rules and Regulations. <br /> This notice is regarding a release of water originating from a water line that conveys fire water from the <br /> Mill Process Water Storage Tanks to the site's fire water distribution and suppression systems. This <br /> water is process related water, but is also used as fire water. On April 28th, Henderson maintenance <br /> department noticed that water was coming up near a hydrant at a very slow rate (<0.5gallons per minute) <br /> and reporting to a nearby stormwater drain, which reports directly to the Henderson tailing impoundment. <br /> Henderson evaluated the source of the water by isolating this leg of the system. At that point, they <br /> determined it was process water and notified environmental. <br /> The following paragraphs correspond to the elements of the follow-up written notice set forth in Rule <br /> 8.2.3, paragraphs (a) through (e), of the DRMS Rules and Regulations: <br /> (a) After discovering the issue, Henderson employees isolated the hydrant and valve to the <br /> line to stop any additional release. <br /> (b) The water release did not adversely impact human health, property or the environment. <br /> This is based on the known chemistry of the water and the location of the event. Water <br /> flowed to a storm drain nearby and reported to the tailing storage facility. <br /> (c) The contact person for this event is: <br /> Tim Haynes <br /> 19302 County Road 3 <br /> Parshall, CO 80468 <br /> Phone: 720-942-3518 <br /> (d) No monitoring or analyses were performed for this situation since the water from the fire <br /> line was not released off-site and did not impact any natural water body. <br />