3) A company with 30,000 employees must create risk matrices and follow the recommendations for upper and lower limits for the ALARP area of 10-4 and 10-6 respectively, measured in IRPA. a) What are the upper and lower limits, measured in PLL? b) Use the frequency classes from Table 1 and the impact classes from Table 2 to find out which risk indices the company should use as an ALARP area. Use that the value of a statistical human life is around NOK 30,000,000. Table 1 - Frequency Classes Class Probability Frequency Representative value 1 Very low More than once per 100 years Once per 300 years 2 Low Once every 10-100 years Once per 30 years 3 Medium Once every 1-10 years Once per 3 years 4 High Once every 1-12 months Once per 4 months 5 Very high More than once a month Once a week Table 2 - Consequence classes Class Consequence Material value Representative value Very small Less than NOK 10,000 NOK 3,000 small NOK 10.000 - NOK 100,000 NOK 30,000 3 Medium NOK 100,000 -NOK 1,000,000 NOK 300,000 4 Big NOK 1,000,000 - NOK 10,000,000 NOK 3,000,000 5 Very big More than NOK 10,000,000 NOK 30,000.000