1. The TLV-TWA of biphenyl and sulfur dioxide is 0.2ppm and 2ppm, respectively. From this information it can be concluded that: a. Biphenyl is more lethal than sulfur dioxide b. Biphenyl is more toxic than sulfur dioxide c. Sulfur dioxide's LD50 is greater than the LD50 of biphenyl d. Other: 2. OSHA requires a PSM (process safety management) plan, while EPA requires a RMP (risk management plan). Which of the following statements is/are false? a) RMP is primary designed to protect off-site people and the environment b) PSM is primary designed to protect on-site people c) RPM requires employee participation d) RPM should be shared with the local community e) PSM does not require a risk assessment f) None of the above are false 3. Which of the following information you need to calculate fatality rate of a given activity per year? (Select as many as applicable) a. Number of casualties during that year because of that activity b. Number of casualties during that year for all other causes c. Number of people who worked in that activity during that year d. Number of hours worked (i.e. exposed hours) e. Number of lost workdays that year because of that accident f. Other