The main categories of organic pollutants are (a) Polycyclic aromatic hydrocarbons (PAHs) arise from incomplete combustion or pyrolysis of organic substances such as wood, carbon or mineral oil. Such combustion processes include food preparation in households and food shops; etc. and (b) Polychlorinated Biphenyls further subdivided in to two category for its sources as Directly manufactured PCBs used as hydraulic liquids(hydraulic oils), emollients for synthetic materials, lubricants, impregnating agents for wood and paper, flame protective substances, carrier substances for insecticides and in transformers and condensers, and The other main source of PCBs in the environment are combustion processes, from waste incineration plants, fossil fuel burning and to other incomplete combustion processes.
Scholarly peer review is the process of subjecting an author's scholarly work, research, or ideas to the scrutiny of others who are experts in the same field, before a paper describing this work is published in a journal. The work may be accepted, considered acceptable with revisions, or rejected. Peer review requires a community of experts in a given (narrowly defined) field, who are qualified and able to perform reasonably impartial review.
Last date updated on April, 2024
Spanish 
Chinese 
Russian 
German 
French 
Japanese 
Portuguese 
Hindi