Because the company is a leader in its field of water and waste-water treatment in China, it has enjoyed access to bank financing in the past, and has even been able to raise capital in the United States by selling its shares on NASDAQ.

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For instance, water pumps and waste water treatment plants rely on electricity, so when power is lost for long periods of time, reserves are depleted and bottled water must be transported into the zone, usually by truck.

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Buenos Aires and its suburbs have only three waste-water treatment plants for 10m residents, and often suffer flash floods that drench entire avenues.

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Across Europe the price of water has gone up along with higher European standards for the purity of drinking water and for the treatment of waste.

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Three main topics will be tackled, namely removal of particulate and colloidal matter within drinking water production and in wastewater treatment, and reduction of colloidal carriers mobilised from waste disposals.

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Projects include new pipes, better reservoirs, improved water testing to meet higher standards, improved waste treatment and the need to protect sewers from the effects of flooding.

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Now, companies with plants that use or produce chemicals on the list have to complete a long form (one form per chemical, per plant), which tells exactly how much of the chemical is used or produced and where it is going (air, water, recycling, waste treatment).

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The treatment "draws out metabolic waste and impurities from the body that lets water flow through better, " Tracey says.

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Nafa Kalaf Al Janabie, an Iraqi-American praised by Mr Powell, is the president of Detroit Contracting, a waste-water treatment company that recently opened an office in Baghdad, where it hopes to benefit from American and United Nations contracts.

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