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.
1 Eastern Standard Time (EST), the time zone New York is in, which is 5 hours behind Greenwich mean Time (GMT). 2  Central Standard Time (CST), the time zone Chicago is in, which is 6 hours behind Greenwich Meantime (GMT). 3  Mountain Standard Time (MST), which is 7 hours behind Greenwich Mean Time (GMT). Central Standard Time (CST), the time zone Chicago is in, which is 6 hours behind Greenwich Meantime (GMT). 2  Mountain Standard Time (MST), which is 7 hours behind Greenwich Mean Time (GMT).