What is the estimated concentration of hexane vapor when filling a stationary tank?

The estimated concentration of hexane vapor when filling a stationary tank is determined by various factors including the properties of hexane, the method of filling, and the ventilation of the area. In this context, 640 ppm reflects a reasonable estimate based on established guidelines and studies regarding the behavior of hexane vapors in confined spaces during filling operations.

Hexane is widely recognized for its volatility, and during the filling of a stationary tank, it can evaporate into the air. When this occurs, the concentration of vapor above the liquid can reach significant levels, especially in poorly ventilated spaces. Therefore, understanding the estimated vapor concentration is critical for assessing potential health risks and ensuring safety measures are adequately implemented.

This specific value is often cited in regulatory documents and safety data sheets when discussing the exposure levels one might encounter in different scenarios involving hexane. It highlights the importance of monitoring air quality and utilizing appropriate personal protective equipment (PPE) to safeguard against inhalation risks. This concentration is also aligned with occupational exposure limits, which health and safety professionals use to design effective control measures for operations involving hazardous substances like hexane.