Click for next page ( 239


The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement



Below are the first 10 and last 10 pages of uncorrected machine-read text (when available) of this chapter, followed by the top 30 algorithmically extracted key phrases from the chapter as a whole.
Intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text on the opening pages of each chapter. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

Do not use for reproduction, copying, pasting, or reading; exclusively for search engines.

OCR for page 238
Appendix B ACRONYMS AND NAMES USED FOR CLASSIFYING ORGANIC COMPOUNDS Common Abbreviation Vocl ROG NMHC NMOC Full Name Volatile organic compound Reactive organic gas Nonmethane hydrocarbon Nonmethane organic compound Definition Organic compounds that are found in the gas phase at ambient conditions. Might not include methane. Organic compounds that are assumed to be reactive at urban (and possibly regional) scales. Definitionally, taken as those organic compounds that are regulated because they lead to ozone formation. Does not include methane. The term is predominantly used in California. All hydrocarbons except methane; sometimes used to denote ROG. Organic compounds other than methane 238

OCR for page 238
APPEND/X B 239 Commo??, Abbreviation, RHC THC OMHCE - Full Name Reactive hydrocarbon Total hydrocarbon Organic material hydrocarbon equivalent TOG Total organic gas Definition AD reactive hydrocarbons; also used to denote ROG. All hydrocarbons, sometimes used to denote VOC. Organic compound mass minus oxygen mass. Used interchangeably with VOC. Sunless noted otherwise, VOC's is the term used in this report to represent the general class of gaseous organic compounds. Source: NRC 1999.