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°~"' IIIiIINllliliiil;lil;l~il! ~, • <br />~ c, C`4 • <br />,. ~-f c I <br />~•~ <br />• COLORADO DEPARTMENT OF HEALTH ' <br />NOV 1 1 1917 <br />t7f0 EAST 11TH AVENUE DfNVER, COLORADO BO270 PHONE 388-6111 <br />Mthony Robbins, M. D., M.P.A. Eae cvtive Director <br />November 10, 1977 <br />Carl J. Johnson, M.D., M.P.H. <br />Director of Health <br />Jefferson County Health Department <br />260 South Kipling Street <br />Lakewood, Colorado 80226 <br />Dear Dr. Johnson: <br />In reply to your letter of June 10, 1977, pertaining to trucks currying <br />ore through the city of Golden from the Schwartzwalder Mine, the follow- <br />ing actions were initiated: <br />1. Samples were collected from the gutters along Washington <br />Street from Highway 58 to the edge of the residential part <br />• of town (approximately 3rd Avenue). A sample was collected <br />from along the side of Highway 58 near the 44th Avenue cross- <br />over. These samples were analyzed for natural uranium. The <br />results are as follows: <br />LAB N0. LOCATION <br />2182 Hwy 58 at 44th Avenue <br />2183 East side of Washington Street from <br />2nd Avenue to 6th Avenue <br />2184 West side of Washington Street from <br />2nd Avenue to 6th Avenue <br />2189 5th Avenue and Illinois and Sth Avenue <br />and Cheyenne Streets <br />* - Less than 200 mesh soil fraction <br />The only uranium soil samples <br />are the 1971-1973 soil sample <br />The range is 0.4 - 37.4 pg of <br />The average value for uranium <br />• (Adams and Lowder, 1964) with <br />samples and locations. <br /> <br />of uranium oer eram of soil* <br />3.4 + 3.0 <br />8.7 + 0.8 <br />8.2 + 0.7 <br />1.5 + 0.3 <br />the Department has analyzed in the area <br />from the general vicinity of Rocky-Flats. <br />uranium per gram of soil. <br />in the Front Range of Colorado 'is 4.6 ug/g - <br />consideral~le variations found between individual <br /> <br />