n the context of the OSHA, a planned program involves a$($n$)$:

a$.$ visit to an organization which is working with OSHA to remedy an existing problem.

b$.$ inspection conducted within an eight$-$hour timeframe after the accident.

c$.$ visit to a company where there are dangers that could cause death or serious harm.

d$.$ investigation into the complaints that employees of an organization have filed anonymously.

e$.$ survey of a company where employees were harmed, suffered illness, or were killed.