the opposite of a persistant pollutant.

Persistent Organic Pollutants are chemicals that are insoluble in water, don't biodegrade, and tend to persist in the environment. Pops may be residual residue of other chemicals, used in factory's or as pesticides. The 12 most "notorious" have been banned by the UN.

Organic pollutants are persistent organic pollutants(POPs). Examples are DDT and lindane, industrial chemicals such as polychlorinated biphenyls (PCBs), and substances such as dioxins, all of which accumulate and are slow to degrade, and may have adverse impacts on human health and the environment.

no it isn't, it is a point-source pollutant

Persistent Organic Pollutants are chemicals that are insoluble in water, don't biodegrade, and tend to persist in the environment. Pops may be residual residue of other chemicals, used in factory's or as pesticides. The 12 most "notorious" have been banned by the UN.