I am working as a senior operating officer in a waste management company, handling solid and liquid waste operation. kindly advise me for a suitable course.

Thanks for contacting us
these courses may be helpful to you:
-Training Course in Sanitation Management and Biological Waste
- A course on waste management
-The course of medical waste and hazardous materials and methods of health protection

Please send us your phone no and e-mail I'd to get more details

Regards, 
Sarah