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�A� <br /> OURAY SVLLER/1.I E5 <br /> OSMI will store SDSs in accordance with MSHA HazCom regulations. <br /> e. Upon approval of this revision, the mine will send a copy of the Emergency <br /> Response Plan to each organization listed in section 1.2.1 of the plan. <br /> 26. Epoxy Sealant <br /> a. The basic information sheet for the Pro Industrial High-Performance <br /> Epoxy was attached to the response, however the sheet does not provide <br /> any details regarding its application instructions, ratings or other specific <br /> information. Please provide more details of the Epoxy including <br /> application instructions, cure times, any QA/QC measures taken to ensure <br /> correct installation and details regarding its rating as a protectant for <br /> chemical spills. Please also include details on how long the concrete <br /> surfaces that the epoxy will be applied to will need to be cured,priorto the <br /> application of the coating. <br /> b. What is the life expectancy of this barrier?Will it need to be reapplied after <br /> so many years? Rated for so many spills or cleanings? <br /> c. Address how repairs to the epoxy can be made. For example if something <br /> gets dropped and the concrete or epoxy chips the containment is no longer <br /> impervious. <br /> Response: <br /> a. FASTOP Multi Topfloor SL23 is the recommended epoxy for the mill <br /> based on the reagents we will use. The information required by DRMS is <br /> listed within the attached Characteristics, Compliance, and Specifications <br /> sheet. <br /> b. Based on correspondence with the manufacturer, life expectancy of the <br /> epoxy is 5 years depending upon several factors including but not limited <br /> to chemical spills, equipment damage, original installation, environment <br /> conditions, owner and/or employee abuse, and lack of maintenance <br /> program. <br /> c. Per correspondence with the manufacturer, minor chips, scratches, and <br /> abrasions or chemical damage to the epoxy can be repaired by cleaning <br /> and scraping the damaged area to create an abrasive surface. The surface <br /> will be thoroughly cleaned, and the epoxy will be recoated and set to cure <br /> for the allotted time per the System Guide requirements. Please see <br /> attached Repair Procedure Instructions. Evaluation of the epoxy will be <br /> incorporated into the daily inspection sheets by mill personnel. <br /> Documentation of inspections will be available to DRMS personnel during <br /> inspections. <br /> 161P 3 `, z <br />