... TECHNOLOGY
9
1347
Source Identification of Volatile
Organic Compounds in Houston,
Texas
WEIXIANG ZHAO,
†
PHILIP K. HOPKE,*
,†
AND THOMAS KARL
‡
Department of Chemical Engineering, Clarkson University,
Box ... Airport site
in Houston during the Texas Air Quality Study (TexAQS)
2000. The analysis determined the profiles and contributions
of nine sources and the corresp...
... the purposes of
this discussion to consider the morning hours as the start-
ing point of the plume evolution. Following morning emis-
sions from traffic, industry and cooking, etc., into a shallow
boundary ... evolution of volatile organic compounds 2369
Fig. 13. Results of a MM model run initialized with T0 data as a
function of the processing time as calculated by the Master...
... fraction of non-exempted volatile organic compounds in the non-propellant
portion.
n = number of non-exempted volatile organic compounds in the non-propellant portion.
WL = weight (gm) of the ... procedure for determining the percent by weight of the reactive
organic compounds contained in aerosol coating products, for the purpose of determining
complia...
... naturally in crude oil and in the tolu tree. It is
produced in the process of making gasoline and other fuels from crude oil. Toluene is also used
in making paints, paint thinners, fingernail ... as a cleaning fluid, in industry and dry cleaning
businesses, and in the household. Carbon tetrachloride also was used in fire extinguishers and as
a fumigant to kill insects in...
... been present in chlorinated drinking water since the first
continuous municipal application of chlorination in 1908.
(4)
The production
and use of manmade organic compounds, many of which are ... (VOCs) in ground water gives emphasis to the
occurrence of VOCs in aquifers that are used as an impor-
tant supply of drinking water. In contrast to the monitoring
of VOC...
... procedures for determination of organic
compounds in finished drinking water, source water, or drinking water in any treatment
stage. The method is applicable to a wide range of organic compounds that ... n-1 degrees of freedom
n = number of replicates
S = standard deviation of replicate analyses
13.2 Problem Compounds
525.2-2
METHOD 525.2
DETERMINATION OF ORGANIC...
... Concentrations of volatile organic
compounds in indoor air
-
A review.
Indoor Air,
4, 123-134.
Cometto-Muniz, J.E., Cain, W.S., 1995. Mixtures of volatile organic compounds: Detection of odour, ... H., 1990. Investigation on the
contribution of volatile organic compounds to
air
quality complaints in office buildings of the European
Parliament. In: Walk...
... As shown in Fig. 2 and Table 1, Zn
titration data obtained for DOM in the original river water sample seems to fit into two
linear portions indicating two classes of binding sites.
In contrast, ... weeks.
Biodegradability of zinc binding sites in DOM of WWTP effluent in river water
Fig. 3 shows the variation of DOC, UV
254
and SUVA during the incubation of DOM
in...
... viewpoint of mass balance, the four possible pathways to increase DOM in the
lake are as follows:
(1) increase in the DOM loading from the watershed,
(2) increase in internal production of DOM, ... basin of Lake
Biwa. Consequently, DOM in 2000s was expected to be 1.6 times higher than that in
1980s. Since the ratio of COD
Mn
observed in 2000s to that in 1980s in...
... The number of Monte Carlo terms chosen was based on the level of uncertainty
believed to exist in the values of the uncertain parameters.
In Figure 3, the range of values of the age of the studied ... 1. Graph of the frequency against the range of values of CNMOC
Figure 2. Graph of frequency against range of values of average annual acceptance rate ®
Inter...