Thomasville is located in northeastern Davidson County at 35Â°53â²9â³N 80Â°4â²38â³W / 35.88583Â°N 80.07722Â°W / 35.88583; -80.07722 (35.885848, -80.077323). It is bordered to the east by the city of Trinity in Randolph County. According to the United States Census Bureau, the city of Thomasville has a total area of 16.8 square miles (43.5 km2), of which 0.01 square miles (0.03 km2), or 0.07%, is water.
OSHA comments from the January 19, 1989 Final Rule on Air Contaminants Project extracted from 54FR2332 et. seq. This rule was remanded by the U.S. Circuit Court of Appeals and the limits are not currently in force. OSHA's former exposure limit for ammonia was 50 ppm as an 8-hour TWA. OSHA proposed to revise this limit to 25 ppm TWA and to add a 35-ppm 15-minute STEL, based on the limits established by the ACGIH.
Reference Information 442. Threshold Limit Values (TLV) and Immediately Dangerous to Life and Health (IDLH) values. Matheson Tri-Gas assumes no responsibility for the accuracy of the information listed. As TLV and IDLH values may change, the current Substance guidelines from the following sources should be consulted for Fluorine up-to-date accuracy.