5135 Ingersoll Hall

• Geochemistry of environmentally significant trace metals
• Environmental monitoring, remediation technology and mitigation strategy
• Chemical and isotopic signatures in geologic records

• Cheng, Z.; van Geen, A.; Louis, R.; Nikolaidis, N.; Bailey, R. (2005) Removal of methylated arsenic from groundwater with iron filings. Environmental Science and Technology, 39(19), 7662-7666
• Cheng, Z.; van Geen, A.; Ahmed, K.M.; Seddique, A.A. (2005) Limited temporal variability of tube-well arsenic in Bangladesh: results from a 3-year monitoring effort. Environmental Science and Technology, 39(13), 4759-4766.
• Cheng, Z.; Foland, K.A. (2005) Lead isotopes in tap water: implications for lead sources within a municipal water supply system. Applied Geochemistry, 20(2), 353-365.