Staff

Materials and biological transmission electron microscopy

Energy dispersive spectrometry (EDS)

Wavelength dispersive spectrometry (WDS)

Epi-fluorescent and laser scanning confocal microscopy

Specialized sample preparation techniques used in biological and materials analysis as they apply to water quality, corrosion, biofilm, nanotechnology, and cell biology research at EPA

Process intensification

Transmission electron microscopy EDXA and powdered X-ray fluorescence (PXRF)

X-ray fluorescence (XRF)

Characterizing a wide range of solids (nanomaterials, corrosion products, sludges, biofilms) encountered in drinking water and wastewater research

Schock, M., S. Harmon, J. Swertfeger, et al. (2001). “Tetravalent Lead: A Hitherto Unrecognized Control of Tap Water Lead Contamination.” In: Proceedings AWWA Water Quality Technology Conference, Nashville, TN, November 11–14.

Speth, T., C. Parrett, S. Harmon, and K. Kelty. (2001). “Effect of Chloramination and Seasonal Water Changes on Nanofiltration Fouling.” In: Proceedings AWWA Membrane Technology Conference, San Antonio, TX, March 4–7.

Harmon, S. (2000). “The Theory of Energy Dispersive X-Ray Analysis via Scanning Electron Microscopy and Subsequent Elemental Analysis of Lead Service Lines.” Presentation, Cincinnati Water Works in-house training program, July.

Harmon, S. (1999). “The Effects of Polyphosphate Sequestration on Plumbosolvency as Experienced by the Water Utility of Hopkinton, MA.” In: Proceedings AWWA Water Quality Technology Conference, Tampa, FL.

Schock, M., J. Clement, D. Lytle, et al. (1998). “Replacing Polyphosphate With Silicate to Solve Problems With Lead, Copper, and Source Water Iron.” In: Proceedings AWWA Water Quality Technology Conference, San Diego, CA.

Impact of water chemistry on localized copper corrosion

Contaminant accumulation in drinking water distribution systems

Microbiological treatment strategies for ammonia oxidation

Mechanisms of iron corrosion control

Candidate Contaminant List compounds and their removal from drinking water

Membrane filtration technologies

Water treatment technologies including membrane filtration, activated carbon, air stripping riverbank filtration, and ion exchange softening

Schenck, K., T. Speth, C. Parrett, et al. (2004). “Evaluation of the Removal of Ethynylestradiol by Granular Activated Carbon Treatment.” Presentation, Annual Meeting of the Society of Environmental Toxicology and Chemistry. Portland, OR, November.

Speth, T., C. Parrett, S. Harmon, and K. Kelty. (2002). “Effects of Chloramination and Site-Specific Issues on Nanofiltration Flux Loss and Foulant Characteristics.” J. Environ. Eng. Science, 1, 15: 371–381.

Life cycle of nanomaterials in the environment

Analytical methodologies for corrosion scale and drinking water solids analysis

Evaluation of water treatment processes to meet regulatory compliance goals

Geochemical and chemical modeling of water systems

Equilibrium chemistry and transport of corrosion by-product metals

Snoeyink, V., M. Schock, P. Sarin, et al. (2003). “Aluminum- Containing Scales in Water Distribution Systems: Prevalence and Composition.” J. Water SRT-Aqua, 52, 7: 455.

Schock, M., T. Lovejoy, J. Holldber, and J. Lowry. (2002). “California’s First Aeration Plants for Corrosion Control.” Jour. AWWA, 94, 3: 88–100.

Schock, M. (1999). “Internal Corrosion and Deposition Control.” Chapter 17 in Water Quality and Treatment, 5th ed. American Water Works Association, McGraw Hill.

Edwards, M., M. Schock, and T. Meyer. (1996). “Alkalinity pH and Copper Corrosion By-Product Releases.” Jour. AWWA, 88, 3: 81.

Schock, M., I. Wagner, and R. Oliphant. (1996). “The Corrosion and Solubility of Lead in Drinking Water.” Chapter 4 in Internal Corrosion of Water Distribution Systems, 2nd ed. American Water Works Association Research Foundation/DVGW-TZW Cooperative Research Report.

Schock, M. D. Lytle, and J. Clement. Effect of pH, DIC, and Orthophosphate on Sulfate on Drinking Water Cuprosolvency (EPA/600/R-95/085) June 1995