ALDEHYDE AND OTHER VOLATILE ORGANIC CHEMICAL EMISSIONS IN FOUR FEMA TEMPORARY HOUSING UNITS – FINAL REPORT pdf

... reductions in gasoline vapor pressure. Starting in 1996, there was a large increase in MTBE emissions (listed as oxygenates in Figure 1), an increase in highly branched alkanes, and a large ... reduction in aromatics. Isobutene and formaldehyde increased due to increased use of MTBE in gasoline, though the change in isobutene is a small increment compared to ethene...

Ngày tải lên: 05/03/2014, 20:20

... out to determine the change in 2-AP and other volatile compounds as influenced by different durations of soaking rice in water during vermicelli processing. In order to identify and quantify ... Bun from Rice 3.4. Investigating the changes of 2-AP and other volatile compounds of rice in Bun processing Table 3. The volatile compounds in non-soaking and 12 hours...

Ngày tải lên: 28/08/2013, 16:28

... slash pine (Pinus elliotii) from pine plantations. The increase in monoterpene emissions in the deep south was because of an increase in loblolly pine (P. taeda), both in pine plantations and in ... both isoprene and monoterpene emissions in the deep south but increased isoprene and decreased monoterpene emissions in South Carolina and Georgia. There was also a gen...

Ngày tải lên: 14/02/2014, 08:20

... determining the percent by weight of the individual ingredients in aerosol coating products, the precision and accuracy of the determination for each ingredient is governed by the precision and ... purge and degassing procedure consisting of lower pressures and a liquid nitrogen bath replaces the step of lightly boiling the sample as outlined in ASTM D 2879-97. 3. Purge and...

Ngày tải lên: 14/03/2014, 20:20

... out to determine the change in 2-AP and other volatile compounds as influenced by different durations of soaking rice in water during vermicelli processing. In order to identify and quantify ... Bun from Rice 3.4. Investigating the changes of 2-AP and other volatile compounds of rice in Bun processing Table 3. The volatile compounds in non-soaking and 12 hours...

Ngày tải lên: 19/03/2014, 16:20

... exhibited more feminine behavior (a difficult thing to measure), but another found no changes in sheep at all, nor traces of these chemicals in their organs (Erhand and Rhind, 2004; Rhind et al, 2005). ... for such chemicals will be discussed next. For newer organic chemicals of concern, including pharmaceutical compounds and things like detergents and shampoos, research is ju...

Ngày tải lên: 14/02/2014, 08:20

... waste incineration and other industrial activities. Agrochemicals are another source of contaminants to the environment. Organochlorine pesticides such as lindane, -hexachlorocyclohexane and ... distribution and pathways of these contaminants in terrestrial and aquatic ecosystems in most parts of the world. Research in this area is beginning to gain some importance on t...

Ngày tải lên: 14/02/2014, 09:20

... 2005), and they and their I.J. Biotech. 15 Ibrahim et al. derivatives are used in cosmetics, paints and coatings, lubricants and in the food industry (Bódalo et al., 2005). They are useful chemical ... metropolis; extract and identifying volatile organic compounds associated with spoilt sweet pepper using GC-MS. Materials and Methods Sample collection Ten spoilt and...

Ngày tải lên: 05/03/2014, 20:20

... finished in fine-grained materials are collected the day after purging. Data on chemical changes during the recovery of slowly recovering wells (wells finished in fine- grained ... fine- grained materials) are scarce. Griffin et al. (1985) observed changes in volatile organic concentra- tions in three monitoring wells finished in fine-grain...

Ngày tải lên: 05/03/2014, 21:20

... recommend a verification testing site(s)); • Managing, evaluating, interpreting, and reporting on data generated by the verification testing; and • Evaluating and reporting on the performance of ... any other material or chemical in the equipment conform to NSF/American National Standards Institute (NSF/ANSI) Standard 60 and 61. The final submission of the PSTP shall: •...

Ngày tải lên: 14/03/2014, 19:20