Total of 20 points) in a uranium ore mine somewhere in usa, the radon concentration 6. amounts to 0.75 wl. a miner worked for 85 hours in that environment in january. the nrc defines 1 wlm as the working level month of exposure over 170 hours per month equivalent to 2.5 rem. (2.5 pts) what is the exposure of the worker in wlm? b. (2.5 pts) what is the estimated exposure to the worker in rem? c. (5 pts) the annual dose limit for whole body of a radiation worker is 5 rem. how long (in hours) can the miner work before attaining the annual limit? d. (2.5 pts) if the miner intends to work for the remainder of the year, what is the average number of hours per month that the miner can work in order not to exceed the annual limit? (2.5 pts) if the location is expected to be mined all year round, what is the minimum number of miners needed to work the same concession at 85 hours per month? f. 5 pts) calculate the maximum hours per month a miner can work the location without exceeding the annual dose limit a. e.