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Deducing the distribution of terminal electron-accepting processes (TEAPs) in hydrologically diverse groundwater systems. Chappelle et al. (1995) Water Resources Research, Vol 31, No. 2. Introduction. The Importance The Problem The Alternative. I TEAPs It Real. The Basics
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Deducing the distribution of terminal electron-accepting processes (TEAPs) in hydrologically diverse groundwater systems Chappelle et al. (1995) Water Resources Research, Vol 31, No. 2
Introduction • The Importance • The Problem • The Alternative
I TEAPs It Real • The Basics • Water chem can determine TEAPs by • Tracking electron acceptor consumption • Tracking final product accumulation • Tracking intermediate product concentrations • Previous studies fail to TEAPs it real • Hydrogen (H2) concentrations an important intermediate product indicator of TEAPs
PURPOSE OFTHEPAPER
STUDY SITES
Petroleum Hydrocarbon-Contaminated Aquifer: Hanahan, South Carolina
Petroleum Hydrocarbon- Contaminated Aquifer: Hanahan, South Carolina
CONCLUSIONS • The main, important observation is that H2concentration ranges for different TEAPs are consistent between the diverse hydrologic systems studied • H2 Concentrations are a useful indicator for TEAPs and increase confidence when used in conjunction with electron acceptor consumption and final product production.