185) state that waters with 3H activities above about 30 TU contain a considerable component of recharge from the 1960a#39;s or the ... CFC-11 and CFC- 12 were used as coolants in air conditioning and refrigeration; as blowing agents in foams, anbsp;...
Title | : | Ground-water flow direction, water quality, recharge sources, and age, Great Sand Dunes National Monument, south-central Colorado, 2000-2001 |
Author | : | |
Publisher | : | DIANE Publishing - |
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