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13 <br /> <br />chemicals for juvenile squawfish at three levels of pH (6.0, 7.0 and <br />8.0) at a temperature of 17° C. <br />The chemicals to be tested are listed below in order of their priority. <br />They were selected because they occur in the Colorado River drainage and <br />because there is considerable colateral data on a variety of other <br />species. <br /> Inorganic Organic <br />1. Selenium 1. DDT <br />2. Zinc 2. Dieldrin <br />3. Copper 3. Endrin <br />4. Chlorine 4. PCB <br />5. Ammonia 5. Parathion <br />6. Mercury 6. Chlordane <br />7. Cadmium 7. Lindane <br />8. Lead 8. Toxaphene <br />Fish Disease Survey <br />The Fort Morgan Fish Disease Diagnostic Center in Colorado has agreed to <br />cooperate with CRFP crews in the examination of rare and endangered <br />fishes and other Colorado River fishes. Field crews have been instructed <br />in the procedure to follow in case an endangered fish succumbs. Diagnostic <br />field kits and shipment containers have been supplied by Fort Morgan to <br />all CRFP crews and the Willow Beach NFH. Fort Morgan personnel will <br />join CRFP crews in the field where other than endangered fish can be <br />collected and sacrificed for disease inspections. Three field trips to