The criterion level, often abbreviated as Lc, is the steady noise level permitted for a full eight-hour work shift. This is 85 dB(A) in most jurisdictions, but it is 90 dB(A) in Quebec and 87 dB(A) for organizations that follow the Canadian federal noise regulations.
Royal Catchfly (Silene regia) This striking plant may grow as high as five feet, with bright red flowers. It flowers from May through September, and can be seen in remnant prairies and open woods. In Missouri, it is known only in the Ozarks.
Community Census Data. Ozark is part of the Springfield Metro Area located in Greene and Christian Counties, Missouri. The Springfield Metro Area is comprised of Greene, Christian, Webster, Polk, and Dallas counties and has a population of over 430,000 people. Since 1990 the metro area's average growth rate has been 2.3%. Christian County is one of the fastest growing counties in the state, which can be seen in this graphic from the Columbia Missourian newspaper. The data, originally from the U.S. Census Bureau, shows national and local growth in America.