ma MN uy OD Ht oO um st. ro pend eed od = Creek Dam od MON ro 1 4 ca a a 4 ma . a) “ a i 4 root rm . Md ie OQ MON oOON « ON a PT Oo oO LA Ps a oD ol “4 es re « ~t wy ~—t | MN et 0 — ON NNN re * a ra <f wy wy © oO wy oS wp OP eo eo oO rh a, oO oD ec st ap oo wt . nr’ ™m wo ra a a 2 > Oo © 5 ,O901 .003 KH were Thoron daughter activity IFB = Indistinguishable From Background 14 12 18 004 009 .12 j ¢€.001 22 6 tp *** Polonium 210 by alpha spectroscopy -- prnend -- VO O ** Bad sample - small deposit wy : — NSN aN FS * Early count, includes short-lived activity hs “mm a oed O09 * ao 5 - 16 rod -4/77 a , 004 CO “, eH 10 638 tm ~ 18 -20 21 EB -16 . aH Ae a” <& od 3 96x es .U) 0 Ma ewe aero =, 003 ~1l7 .21 ,010 13.009 .14 21* BB ~t .10 ¢.001 O07 . 10 .10 .100 009 1¢% ae 005 Ag UW? .13 .503 65 20 BX L004 TG 016 222 rt 39 } .165 20% xH, 2490 2 239) Od — © Castle Rock -26 19 BA i -- 19% BK \ Trinidad TER com ome Pueblo 13 {2 pCi/m? rt specials PedyST pre « Ap aGte@n a“ cy ad d jJetlersun County Cherry Englewood Adams City Aurora School Admin. Bldg. Colo. Dept. of Health Location LARG:) FILTER, HI-VOLUME AIR SAMPLING RESULTS = DECEMBER 1970 007 « c on