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Introduction <br />(1) The DRMS Hard Rock, Metal and Designated Mining Operation Rules and Regulations state: <br />"The Environmental Protection Plan shall describe how the Operator /Applicant will <br />assure compliance with the provisions of the Act and Rules in order to protect all areas <br />that have the potential to be affected by designated chemicals, toxic or acid - forming <br />materials or acid mine drainage, or that will be or have the potential to be affected by <br />uranium mining." <br />Designated chemicals are defined by the DRMS as: <br />" . . . toxic or acidic chemicals used within the permit area in extractive metallurgical <br />processing <br />It should be noted that NSI does not use any designated chemicals or acid - forming materials. NSI's in- <br />situ nahcolite mining operation does not cause any acid mine drainage. NSI is not a uranium mining (in- <br />situ leach mining) operation. <br />NSI solution mines in situ nahcolite, which is naturally occurring sodium bicarbonate (baking soda) with <br />a hot water solution. The Chemical Abstracts Service (CAS) number for sodium bicarbonate is 144 -55 -8. <br />According to the EPA Clean Air Act: <br />This material does not contain any hazardous air pollutants. <br />This material does not contain any Class 1 Ozone depletors. <br />This material does not contain any Class 2 Ozone depletors. <br />According to the EPA Clean Water Act: <br />None of the chemicals in this product are listed as Hazardous Substances under the CWA. <br />None of the chemicals in this product are listed as Priority Pollutants under the CWA. <br />None of the chemicals in this product are listed as Toxic Pollutants under the CWA. <br />The following summary of U.S Federal Regulations for sodium bicarbonate was excerpted from the <br />Fisher Scientific MSDS 2/15/08: <br />U.S. Federal Regulations <br />TSCA 12(b) Not applicable <br />SARA 313 <br />Not applicable <br />SARA 311/312 Hazardous Categorization <br />Acute Health Hazard No <br />Chronic Health Hazard No <br />Fire Hazard No <br />Sudden Release of Pressure Hazard No <br />Reactive Hazard No <br />Clean Water Act <br />Not applicable <br />Clean Air Act <br />Not applicable <br />OSHA <br />Not applicable <br />CERCLA <br />Daub & Associates, Inc. NSI 2012 EPP <br />Page 1 <br />