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 Rates Measured over One Year in a New Manufactured ... emission rates of volatile organic compounds (VOCs), including formaldehyde, was conducted in a new, unoccupied manufactured house installed at the National Institute of Standards and Technology...

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 aura Migraine ... Traumatic neuralgia Atypical tooth pain Postherapeutic neuralgia Herpes zoster Peripheral neuritis Neurovascular pain Vascular pain Glandular, ocular, and auricular pain ...

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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 ani-mal 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 impact of animal ... methane and ammonia. Generally, the use of emission factors from one animal shed to calculate regional emissions may pose problems as there can be differences in animal nutrition and man-agement...

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 ensure that sampling and analyzing ... for Testing and Materials (2003) Standard Guide for Sampling Waste and Soils for Volatile Organic Compounds, ASTM Guide D 4547-03 Grant, C.L., T.F. Jenkins, and A. R. Mudambi (1996) Comparison...

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

... observations of C1-C8speciated volatile organic compounds(VOCs) obtained at Trinidad Head CA in April and May 2002 as part of the NOAAIntercontinental Transport and Chemical Transformation ... were taken as the globalmean values rather than using the calculated local OHconcentration.[44] The A and b parameters are indicative of the chem-ical and dynamic history of sampled air masses, ... examining the dominant source typesimpacting air mass composition at Trinida d Head and evaluating the importance of these sources for measured species; estimating the average hydroxyl radical abundancein...

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-MarrinInc.) was employed as the internal standard for the FIDchannel, ... including morefactors failed to account for more than an additional 2% ofthe variance in the data set.[24] Factor 1, explaining 44% of the total variability in the data set, was associated ... dioxide, and particle sulfate, had a weak diurnal pattern containing a maximum at midday (Figure 4c). The correlation of acetone and MEK with the other species associated with this factormay arise...

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

... immersion coatings, thermoplastic rubbercoatings and mastics, repair and maintenancethermoplastic coatings, and flow coatings that alsomeet the definition for industrial maintenance coatingsare only ... 94080EPA-453/R-98-006bNational Volatile Organic Compound Emission Standards for Architectural CoatingsBackground for Promulgated Standards(Architectural Coating Background Information Document)U.S. Environmental ... the year 2001, and 9 megagrams(10 tons) for the year 2002 and for each year thereafter. Sincesome corporations have multiple companies and/ or divisions, anarchitectural coatings manufacturer...

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

... lanolin, and beeswax derived from thesecretions of plants and animals; substances of a mineralorigin such as ozocerite, montan, and paraffin; and synthetic substances such as chlorinated naphthalenes ... Organic Compound Emission StandardsFor Consumer Products Background for Promulgated Standards E P A AirUnited StatesEnvironmental ProtectionAgencyOffice of Air QualityPlanning and StandardsResearch ... to spray disinfectants used only in institutional and industrial applications. The EPA hasconcluded that institutional and industrial facilities mayrequire stronger air fresheners than products...

National Volatile Organic Compound Emission Standards for Architectural Coatings ppt

... public health and welfare, EPA has establishednational ambient air quality standards (NAAQS). The NAAQS are a measure ofacceptable and unacceptable levels of certain pollutants across the country. ... and reenters themarketplace.) Manufactured means that coatingingredients have been combined and put intocontainers that have been labeled and madeavailable for sale or distribution.If all ... Typically, a toll manufacturer produces a coating in bulk for anothermanufacturer using a specified formula. For example, a coating manufacturer may hire a toll manufacturer to make a coating in...

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

... isoprene and decreasedmonoterpene emissions in South Carolina and Georgia.There was also a general increase in emissions becauseof leaf-area increases. Over the eastern US as a whole,changes in ... followed a two-phase sampling procedure known as double samplingfor stratification. In the first phase, a random sample ofpoints was located on aerial photographs and wasclassified by land cover and ... to calculate canopy area and leafarea. The methods that we use are not the only possibleones, and alternative methods for calculating canopyarea and leaf area could give estimates of emissions...

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