Fleet trucking company transports hazardous waste. garn is a fleet driver, whom the company knows drives longer hours than federal regulations permit. one night, garn exceeds the limit and has an accident. spilled chemicals contaminate hill city's water source, forcing the residents to move away. fleet acted unethically because

It's because they showed reckless disregard for Hill City’s residents and others

the company fully known that worker's concentration tend to decrease after woring for a certain hours.

By knowingly allow this to happen, Fleet trucking company is directly involved for the spilled chemicals accident and should take all responsibilities for it.