REP27857

• Permit No: M1977300
• IBM Index Class Name: Report
• Doc Date: 12/13/1979
• From: CDOH
• To: COTTER CORP
• Media Type: D
• Archive: No

. ~s~~arar~a
a~pa~tm~nt of
~ HQa6tn
4210 East 11th Avenge
Dznver, Colorado 80220
Pl~one(303) 320-8333
Cotter Corporation
Dave Morcott, Vice-President
9305 West Alameda Parkway
Lakewood, Colorado 80226
Attn: Tim Smith
Dear Gentlemen:
5
F~81
February 11, 1980
Frank A. Traylor, Jr, ~/~.D
Exec~nve~ Director
This letter addresses questions concerning our letter dated December 18, 1979,
raised in your subsequent reply dated December 28, 1979.
You inquired about the Department's concern regarding the leach~_ng of 226Ra
• from ore or waste rock. Ecological parameters, specific to tho:re affecting
the availability of 226Ra in the waste rock and ore at the Schwerrtzwalder
mine and environment are discussed in the following publication~r:
Rusanova, G.V., "Behavior of Radium and Calcium in the Soil Plarrt System,"
Soviet Soil Science, 3, 275-280 (1964).
Verkhovska,ja, I.N., P.b. Vavilov, and V.I. Pfaslov, "The Migration of Natural
.Radioactive Elements Under Natural Conditions and their Di:•tribution
According to Biotic and Abiotic Environmental Components," pp. 313-28 in
Radioecological Concentration Processes, B. Aberg and F.P. Hungate (eds.),
Pergamon Press (1966).
Taskayev, A.I., V.Y. Ovchenkov, R.M. Alekaskhim and I.L. Shuktou~ova, "Uptake
of 226Ra by Plants and Change in Its State in the Soil - Plant Toos -
' Litterfall System", "Pochvovedenlye" 2, 42-48 (1977).
Grzybowska, D., "Uptake of 226Ra by Plants from Contaminated Soils,"
Nucleonika 19 (1), 71-78 (1974).
McDowell-Boyer, L.M., A.P. Watson and C.C. Travis, "Review and Recommendations
of Dose Conversion Factors and Environmental Transport Parameters For
210pb and 226Ra". Oak Ridge National Laboratory ORNL/NUREG-56.