The fate of three groups of microorganisms â bacteria, protozoa, and viruses â in wastewater is an important consideration in onsite sewage treatment and disposal systems (hereafter referred to as septic systems).he fate of three groups of microorganisms â bacteria, protozoa, and viruses â in wastewater is an important consideration in onsite sewage treatment and disposal systems (hereafter referred to as septic systems).
Forget maps......Chicago is in zone 5...and gardeners wishing to plant those plants that are hardy to the Chicago area had better realize that zone 5 plants are the ones to buy. Besides zones are a relative term. Chicago is on the shores of Lake Michigan and the closer to the Lake, the more moderate the temperatures.
Map of Zone 1 with streets shown. London is split into six approximately concentric zones. The boundary of Zone 1 corresponds roughly with the Underground's Circle line covering the West End, the Holborn district, Kensington, Paddington and the City of London.he zone originates from two central London zones that were created on 4 October 1981 named City and West End, in which flat fares applied, replaced in 1983 by Zone 1.