Douglas B Mawhinney

Summary

Affiliation: Southern Nevada Water Authority
Country: USA

Publications

  1. doi request reprint Transformation of 1H-benzotriazole by ozone in aqueous solution
    Douglas B Mawhinney
    Applied Research and Development Center, Southern Nevada Water Authority, PO Box 99954, Las Vegas, Nevada 89193 9954, United States
    Environ Sci Technol 46:7102-11. 2012
  2. doi request reprint Characterization of fulvic acids by liquid chromatography-quadrupole time-of-flight mass spectrometry
    Douglas B Mawhinney
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, NV 89193 9954, USA
    J Chromatogr A 1216:1319-24. 2009
  3. doi request reprint Artificial sweetener sucralose in U.S. drinking water systems
    Douglas B Mawhinney
    Southern Nevada Water Authority, Las Vegas, Nevada 89193, USA
    Environ Sci Technol 45:8716-22. 2011
  4. ncbi request reprint The effects of solids retention time in full-scale activated sludge basins on trace organic contaminant concentrations
    Daniel Gerrity
    Applied Research and Development Center, Southern Nevada Water Authority, Las Vegas, USA
    Water Environ Res 85:715-24. 2013
  5. doi request reprint Pilot-scale evaluation of ozone and biological activated carbon for trace organic contaminant mitigation and disinfection
    Daniel Gerrity
    Applied Research and Development Center, Southern Nevada Water Authority, River Mountain Water Treatment Facility, P O Box 99954, Las Vegas, NV 89193 9954, USA
    Water Res 45:2155-65. 2011
  6. doi request reprint Real-time detection and identification of aqueous chlorine transformation products using QTOF MS
    Brett J Vanderford
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, Nevada 89193 9954, USA
    Anal Chem 80:4193-9. 2008
  7. doi request reprint Assessment of sample preservation techniques for pharmaceuticals, personal care products, and steroids in surface and drinking water
    Brett J Vanderford
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, NV 89193 9954, USA
    Anal Bioanal Chem 399:2227-34. 2011
  8. ncbi request reprint Two new methods of synthesis for the perbromate ion: chemistry and determination by LC-MS/MS
    Aleksey N Pisarenko
    Southern Nevada Water Authority, Applied Research and Development Center, P O Box 99954, Las Vegas, Nevada 89193, USA
    Inorg Chem 50:8691-3. 2011

Detail Information

Publications8

  1. doi request reprint Transformation of 1H-benzotriazole by ozone in aqueous solution
    Douglas B Mawhinney
    Applied Research and Development Center, Southern Nevada Water Authority, PO Box 99954, Las Vegas, Nevada 89193 9954, United States
    Environ Sci Technol 46:7102-11. 2012
    ..Lastly, it was confirmed that the same transformation products formed in surface water and tertiary-treated wastewater, although they were observed to degrade at higher ozone doses...
  2. doi request reprint Characterization of fulvic acids by liquid chromatography-quadrupole time-of-flight mass spectrometry
    Douglas B Mawhinney
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, NV 89193 9954, USA
    J Chromatogr A 1216:1319-24. 2009
    ..Lastly, the analysis of even and odd mass (at m/z 1 greater) ion intensity ratios revealed a correlation to the percent nitrogen of the various standards...
  3. doi request reprint Artificial sweetener sucralose in U.S. drinking water systems
    Douglas B Mawhinney
    Southern Nevada Water Authority, Las Vegas, Nevada 89193, USA
    Environ Sci Technol 45:8716-22. 2011
    ..e., tap) water, as well as an indicator compound for the presence of other recalcitrant compounds in finished drinking water in the U.S...
  4. ncbi request reprint The effects of solids retention time in full-scale activated sludge basins on trace organic contaminant concentrations
    Daniel Gerrity
    Applied Research and Development Center, Southern Nevada Water Authority, Las Vegas, USA
    Water Environ Res 85:715-24. 2013
    ..This study also identified potential operational issues that might arise in activated sludge systems operating at extended SRTs...
  5. doi request reprint Pilot-scale evaluation of ozone and biological activated carbon for trace organic contaminant mitigation and disinfection
    Daniel Gerrity
    Applied Research and Development Center, Southern Nevada Water Authority, River Mountain Water Treatment Facility, P O Box 99954, Las Vegas, NV 89193 9954, USA
    Water Res 45:2155-65. 2011
    ..Several issues, including regrowth of coliform bacteria in the BAC process, must be addressed prior to full-scale implementation...
  6. doi request reprint Real-time detection and identification of aqueous chlorine transformation products using QTOF MS
    Brett J Vanderford
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, Nevada 89193 9954, USA
    Anal Chem 80:4193-9. 2008
    ..Atorvastatin underwent hydroxylation to form two transformation products with the empirical formulas C33H34FN2O6 (1.8 ppm mass error) and C26H29O5NF (2.9 ppm mass error)...
  7. doi request reprint Assessment of sample preservation techniques for pharmaceuticals, personal care products, and steroids in surface and drinking water
    Brett J Vanderford
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, NV 89193 9954, USA
    Anal Bioanal Chem 399:2227-34. 2011
    ..Results suggest that if improper protocols are utilized, reported concentrations of target PPCPs and steroids may be inaccurate...
  8. ncbi request reprint Two new methods of synthesis for the perbromate ion: chemistry and determination by LC-MS/MS
    Aleksey N Pisarenko
    Southern Nevada Water Authority, Applied Research and Development Center, P O Box 99954, Las Vegas, Nevada 89193, USA
    Inorg Chem 50:8691-3. 2011
    ..Furthermore, it was discovered that the perbromate ion was also formed as a result of the electrospray ionization process. Selective reduction of the bromate ion prior to analysis was used to confirm the two formation pathways...