Medical waste management practices in a Southern African hospital.
https://www.ncbi.nlm.nih.gov/pubmed/18785461
by PA Abor - ‎2008
Separation of medical waste and municipal waste is however practiced to a satisfactory extent. Wheeled trolleys are used for on-site transportation of waste. Off-site transportation of waste is outsourced to a private firm. Incineration is used in the final disposal of infectious waste. Non-infectious waste is disposed using land ...


Off-site and outsource: Some health care facilities treat their own medical waste at on-site facilities. Others “outsource” this service, which involves hiring an external service provider with whom the health care facility enters into a contract. Outsourcing helps the health care facility to perform well in its core competencies and thus mitigates skill or expertise shortages in the areas where it wants to outsource. In either case, the director of the health care facility is responsible for the safe transport and disposal of the facility’s medical waste.
[DOC]202-Management of Offsite Infectious Waste Transportation Treatment ...
https://noharm-europe.org/.../202-Management of Offsite Infe...


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Note added at 17 hrs (2018-04-02 08:54:22 GMT)
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'Operator', of course, is rather general. I wouldn't rule out the use of the word 'team' for 'συνεργείο'.