Volatile Organic Compound Concentrations and Emission Rates

Volatile Organic Compound Concentrations and Emission Rates Measured over One Year in a New Manufactured House pptx

... Hodgson AT, Rudd AF, Beal D and Chandra S. 2000. Volatile organic compound concentrations and emission rates in new manufactured and site-built houses. Indoor Air 10: 178-192. Howard-Reed C, Wallace ... effect in response to transient contaminant sources. Indoor Air 12: 184-190. 19 LBNL-56272 Volatile Organic Compound Concentrations and Emission R...

Ngày tải lên : 22/03/2014, 14:20

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TMJ Disorders and Orofacial Pain The Role of Dentistry in a Multidisciplinary Diagnostic Approach pptx

... without aura Cluster headache Paroxysmal unilateral headache Neurovascular variants Arteritis pain Carotidynia joint surface pain Retrodiscal palm Capsule pain Ligament pain Arthritic ... Pulpaf pain Visceral mucosal pain Periodontal pain Connective- tissue pain Ostealgia m6 periosteal pain jyjpaln — Neuropathic pain Physical pain Migraine with au...

Ngày tải lên : 06/03/2014, 11:20

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Volatile organic compound emission and other trace gases from selected animal buildings ppt

... a dominant acetone emission from a certain animal species. The total annual VOC emissions from the measured animal groups were estimated to range from as low as 15 to as high as 77 Tg carbon. ... car trafc emissions are dominated by partially highly reac- tive hydrocarbons, animal emissions are dominated by relatively unreactive alcohols, acetone, and acids. Hence, the impa...

Ngày tải lên : 05/03/2014, 21:20

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USEPA REGION 9 TECHNICAL GUIDELINES FOR ACCURATELY DETERMINING VOLATILE ORGANIC COMPOUND (VOC) CONCENTRATIONS IN SOIL AND SOLID MATRICES potx

... Purge- and- Trap and Extraction for Volatile Organics in Soil and Waste Samples,” and Method 5021, Volatile Organic Compounds in Soils and Other Solid Matrices Using Equilibrium Headspace Analysis,” ... be included in a quality assurance project plan (QAPP) or sampling and analysis plan (SAP). 2.0 PURPOSE EPA Region 9 has developed technical guidelines to help ens...

Ngày tải lên : 14/03/2014, 20:20

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Volatile organic compound measurements at Trinidad Head, California, during ITCT 2K2: Analysis of sources, atmospheric composition, and aerosol residence times pot

... observations of C 1 -C 8 speciated volatile organic compounds (VOCs) obtained at Trinidad Head CA in April and May 2002 as part of the NOAA Intercontinental Transport and Chemical Transformation ... were taken as the global mean values rather than using the calculated local OH concentration. [ 44] The A and b parameters are indicative of the chemical and dynamic history of s...

Ngày tải lên : 05/03/2014, 20:20

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Atmospheric volatile organic compound measurements during the Pittsburgh Air Quality Study: Results, interpretation, and quantification of primary and secondary contributions pot

... Goldstein et al. [199 5a] and Lamanna and Goldstein [1999] for details). Neohexane (5.15 ppm, certified NIST traceable ±2%; Scott-Marrin Inc.) was employed as the internal standard for the FID channel, ... including more factors failed to account for more than an additional 2% of the variance in the data set. [ 24] Factor 1, explaining 44% of the total variability in the data set, was...

Ngày tải lên : 05/03/2014, 21:20

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National Volatile Organic Compound Emission Standards for Architectural Coatings -- Background for Promulgated Standards docx

... immersion coatings, thermoplastic rubber coatings and mastics, repair and maintenance thermoplastic coatings, and flow coatings that also meet the definition for industrial maintenance coatings are only ... 94080 EPA-453/R-98-006b National Volatile Organic Compound Emission Standards for Architectural Coatings Background for Promulgated Standards (Architectural Coating Backgroun...

Ngày tải lên : 22/03/2014, 14:20

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National Volatile Organic Compound Emission Standards For Consumer Products -- Background for Promulgated Standards potx

... lanolin, and beeswax derived from the secretions of plants and animals; substances of a mineral origin such as ozocerite, montan, and paraffin; and synthetic substances such as chlorinated naphthalenes ... Organic Compound Emission Standards For Consumer Products Background for Promulgated Standards E P A Air United States Environmental Protection Agency Office of Air Qual...

Ngày tải lên : 22/03/2014, 14:20

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National Volatile Organic Compound Emission Standards for Architectural Coatings ppt

... public health and welfare, EPA has established national ambient air quality standards (NAAQS). The NAAQS are a measure of acceptable and unacceptable levels of certain pollutants across the country. ... and reenters the marketplace.) Manufactured means that coating ingredients have been combined and put into containers that have been labeled and made available for sale or distri...

Ngày tải lên : 28/03/2014, 19:20

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Tài liệu Human-induced changes in US biogenic volatile organic compound emissions: evidence from long-term forest inventory data ppt

... isoprene and decreased monoterpene emissions in South Carolina and Georgia. There was also a general increase in emissions because of leaf-area increases. Over the eastern US as a whole, changes in ... followed a two- phase sampling procedure known as double sampling for stratiﬁcation. In the ﬁrst phase, a random sample of points was located on aerial photographs and w...

Ngày tải lên : 14/02/2014, 08:20

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