Laserfiche WebLink
The process flow for making the various rock dust products- is as <br /> follows: <br /> raw product (either limestone, magnetite, or nahcolite) <br /> was fed through a grizzly onto a conveyor; <br /> the conveyor carried the sized material to a dryer; <br /> from the dryer it went to the ball mill or hammer mill; <br /> the magnetite then went to a magnetic separator for <br /> final separation while other products went to dust <br /> collect6"rs 'and either to the bulk loadout or the <br /> bagging bin; <br /> dust collectors were installed in all of the process <br /> circuits. <br /> The above is a very general description of a crushing and drying <br /> process. It should be noted here that variations to this <br /> generalized approach are common. For instance, the process <br /> varies somewhat between the limestone facility, the magnetite <br /> facility, and the packwall facility. The packwall aggregate is <br /> actually a mixture of the limestone dust and the magnetite dust. <br /> 4.7 FUEL STORAGE <br /> 4.7.1 Above-Ground Storage Tanks (ASTs) <br /> Only one AST was found on site. The tank reportedly contained <br /> diesel fuel used to run the front end loader. There is a small <br /> area of stained soil at the base of the tank and around the fill <br /> area indicating that minor leaks or spills have occurred in the <br /> past. No other ASTs were encountered during the site survey. <br /> 4.7.2 Underground Storage Tanks (USTs) <br /> No USTs were found during the site survey. Furthermore, a review <br /> of the Colorado UST records indicate that there are no tanks in <br /> the site vicinity which could affect the site. <br /> 4.8 WASTE HANDLING, STORAGE, AND DISPOSAL <br /> 4.8.1 Overview <br /> R.D. Piland and Associates Consultants has no records of Pitkin <br /> Iron's management of industrial wastes. Based upon discussions <br /> with Mr. Neilson and Mr. Ware as well as R.D. Piland a general <br /> understanding of the industrial processes described by Mr. <br /> 19 <br />