Problem:

Solvents are among the most commonly employed chemicals in the workplaces. Workers in different jobs regularly employ solvents for degreasing, metal cleaning, and as paint lubricants or thinners.

Required:

problem 1: Illustrate out at least ten (10) factors to be considered when assessing the health risks from exposure to solvents in the factory producing home furniture with the range of painted and varnished finishes.

problem 2: Solvents have been observed to show neurotoxicity. Illustrate out the term neurotoxicity.  List the neurotoxicity symptoms normally allocated with short-term and long term exposure to vapours of solvents.

problem 3: List and illustrate out in terms of priority at least five (5) possible measures you would adopt to control the exposure of workers to solvents

problem 4: An industrial continuous process releases 0.2 Cubic meter of a solvent chlorobenzene per hour in a room that measures 6.0 meters by 12.0 meters feet and has a ceiling of 4.0 meters height.

What minimum general exhaust ventilation in cubic meters per minute is essential to prevent a general health hazard in this room?  The PEL for chlorobenzene is 75 ppm.