QUESTION 1
(a) During an occupational hygiene assessment/survey, you identify a risk to health. Describe briefly what control measures you need to consider and implement specifying clearly your order of desirability
(b) Briefly discuss five categories of data that would typically be listed in the MSDS of a chemical product
QUESTION 2
A personal sampling pump is used to sample air at 25 °C and 1 atm for 60 min at a flow rate of 1.00 L/min. The analytical lab reports 0.188 mg of allyl chloride in the sample. The molecular weight is stated to be 76.5g/mol in the MSDS
(a) In addition to the pump, what other components are needed in a sampling train?
(b) What is the requirement before the use of the sampling pump? Give three ways how it can be achieved
(c) What is the air concentration relative to the OSHA PEL? Express your answer in ppm
(d) List down five requirements of a sample train check list