TABLE OF CONTENTS O and M is a major problem in some countries for water and waste treatment schemes. A lack of finance for spare parts and for labour may exist. The availability or funding to employ technical staff may be absent. Programme schedules for O and M may not exist or not be implemented. In water supply, poor installation and illegal connections can aggravate the difficulties in maintaining the scheme.
A microbe that can live only in an environment containing oxy gen, unlike a facultative anaerobe.
A microbe that can live only in the absence of free oxygen, unlike a facultative anaerobe.
A type of life that can be only a parasite e.g. viruses and the Plasmodium that causes malaria.
A monitoring well.
The allowable exposure of a worker to a particular contaminant over a stated time period. Long term exposure limits (LTEL) are over a working day or working week. Short term exposure limits (STEL) are over a short period such as 10 minutes. OELs are also known as threshold limit values or TLVs.
OSHA.
See dioxin.
See MARPOL , North Sea Conferences , Oslo convention.
See bathythermograph.
See ferruginous discharge.
Organic chemical,...
