1. Provide an example of a near-miss incident, and discuss how an investigation of it could help prevent more serious incidents from occurring. 75 words

2. Why should post-harm response be included in an incident investigation policy? 75 words

3. Briefly explain the relationship between human error and system tolerance. Provide an example that illustrates your point. 75 words

4. Perform the following exercise using Strategy 7 - help people perform safely. You will not necessarily be providing complete solutions, only demonstrating application of the specific strategy. 75 words p. 140-141 attached
A large haul truck transports ore within a mine. When backing up, the driver can use the mirrors on the on each side of the cab, but still has a large blind spot behind the truck. What would you recommend to help both driver and the pedestrians avoid a backing over fatality?

5. Perform the following exercise using Strategy 2 - moderate the hazard. You will not necessarily be providing complete solutions, only demonstrating application of the specific strategy. 75 words p. 138-139 attached
Heat from a furnace in a foundry keeps a room warm during the winter. However, during the summer, the combination of furnace heat and warm humid external air in the room can become difficult for workers to tolerate. There have been instances of heat exhaustion and the occupational health physician is concerned about a future case of heat stroke. What solution do you suggest?

6. Perform exercises a-c below using Strategy 6 - improve the resistance of that needing protection. You will not necessarily be providing complete solutions, only demonstrating application of the specific strategy. 200 words p. 140 attached

a. A governmental agency wants to build a new office in a location prone to earthquakes. What can you suggest for improving the resistance of the building to damage from an earthquake?

b. Administrators of a hospital want to protect their staff from possible infection with Hepatitis B. A vaccine is available. How is a vaccination program an example of Strategy 6?

c. A forest not far from a city is filled with dead tree materials and considerable undergrowth. Experts on forest fires say that the forest will burn rapidly if a fire should start during hot weather. What option can you suggest for improving the resistance of the forest to fire?

7. Perform exercises a-c below using Strategy 3 - avoid releasing the hazard. You will not necessarily be providing complete solutions, only demonstrating application of the specific strategy. 200 words p. 139 attached

a. A room within a petrochemical facility contains various piping for flammable materials. You recognize the possibility of leaks that would raise the concentration of flammable vapors in the room. If the vapor concentration rises to the flammable range, it is vulnerable to ignition. Workers in this room use various steel tools, and you are concerned about a spark being created by these tools igniting the flammable vapor. What do you suggest for avoiding this harmful outcome?

b. A construction company has laborers working in a trench 2 m deep. A safety engineer has expressed concern about the possibility of the dirt walls collapsing on the laborers. Ground pressure from the sides of the trench push on the dirt laterally as if trying to fill up the opening. What would you recommend to avoid collapse of the dirt wall?

c. A graduate student in chemistry wants to study certain mixtures of chemicals. One of the chemicals releases hazardous gases when exposed to air. The student proposes to conduct the experiments in a general-purpose laboratory room in the campus chemistry building. What would you require to avoid releasing the gas into the room?