Which of the following is NOT a factor in determining explosion hazards?

Determining explosion hazards involves understanding how various factors can contribute to the likelihood and severity of an explosion. Key components that typically influence these hazards include the type of fuel involved, humidity levels, and the concentration of oxidizers present, as all of these play significant roles in combustion and explosive reactions.

The type of fuel is crucial since different fuels have varying energy content, mixing properties, and ignition characteristics. Humidity levels can affect how dust particles behave and can influence the ignition temperature and overall flammability of certain mixtures. The concentration of oxidizers is another essential factor since a higher concentration of oxidizers can enhance the potential for an explosion by supporting combustion more effectively.

In this context, the color of the mixture does not have a direct correlation with the explosion hazards. While color can indicate certain chemical properties or states, it does not impact the physical or chemical processes involved in explosion potential. Hence, it is not considered a relevant factor in determining explosion hazards.