Depends on what the material is, and if the person has completed hazard training for that material, and the operation to be performed.
All classes of hazardous materials require special handling. Explosives and radioactive materials usually get more attention in that regard.
Silica Gel packets can be thrown away in the trash. They are not toxic and will not harm the environment, unless they have come in contact with a hazardous substance, which is rare in typical household applications.
yes gold needs special handling
Generally doctor's offices have special receptacles and disposal processes for bio hazardous waste, so you won't have to deal with that. Most commercial-grade cleaners will be able to clean any stains caused by bio hazardous material (such as blood), but again, if there is a major spill involving bio hazardous waste, the doctor's office probably has a special cleaning procedure for that.
Hazardous waste
Yes, if this was a question.
Special medical equipment knowledge
Radioactive wastes are introduced in special containers and placed in special controlled locations.
A solar house has special equipment (photovoltaic cells) that convert sunlight intoenergy for the home.
No, you do not need a special license to purchase commercial playgourd equipment.
it is a special handling data certification form. this form is added to form DD1387 when you have special handling instructions
When it's at least 20-30 minutes out.