As these authors indicate, there are some misconceptions in
the drinking water industry about exactly what specific
ultraviolet absorbance (SUVA) is and how it should be measured.
This article presents the results of a survey conducted to
determine practices currently being utilized by drinking water
practitioners and researchers to measure dissolved organic carbon
(DOC) concentrations and ultraviolet (UV) absorbances that are
also used for determining SUVA. The survey is part of a research
project sponsored by the AWWA Research Foundation that will
attempt to identify key factors affecting accurate SUVA determinations
and propose a unified protocol.
The survey found that the majority of the 138 respondents are
following the current requirements for measuring DOC and UV set
forth in Standard Methods and the standards imposed under the
Disinfectants/Disinfection Byproducts Rule (D/DBPR). It does
appear, however, that some inconsistencies between Standard
Methods and the D/DBPR create confusion, particularly in the
areas of filter selection, filter cleaning, and sample filtration. This
article will give practitioners and researchers an opportunity to
evaluate their procedures for measuring DOC and UV, and it
identifies areas that need further research before a unified protocol
for SUVA determination is developed. Includes 22 references, figures.
| Edition : | Vol. 94 - No. 12 |
| File Size : | 1
file
, 250 KB |
| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages : | 13 |
| Published : | 12/01/2002 |
