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10 Best Performing Pollution & Treatment Controls Stocks
| Symbol | Company | % Change One Month | |
| AQPVF | Aqua Pure Ventures Inc | 20.0% | |  |
| BTQNF | BioteQ Environmental Technologies Inc | 18.6% | |  |
| WPRT | Westport Innovations Inc | 18.3% | |  |
| DCI | Donaldson Company Inc | 18.2% | |  |
| ADES | ADA-ES Inc | 15.3% | |  |
| CLWT | Euro Tech Holdings Ltd | 11.4% | |  |
| DGW | Duoyuan Global Water Inc | 9.5% | |  |
| ERII | Energy Recovery Inc | 4.3% | |  |
| MRLXF | Marsulex Inc | 2.7% | |  |
| MFRI | MFRI Inc | 1.3% | |  |
10 Worst Performing Pollution & Treatment Controls Stocks
| Symbol | Company | % Change One Month | |
| FTEK | Fuel Tech Inc | -15.0% |  | |
| CECE | Ceco Environmental Corp | -5.1% |  | |
| PURE | Pure Bioscience | -2.6% |  | |
| MFRI | MFRI Inc | 1.3% | |  |
| MRLXF | Marsulex Inc | 2.7% | |  |
| ERII | Energy Recovery Inc | 4.3% | |  |
| DGW | Duoyuan Global Water Inc | 9.5% | |  |
| CLWT | Euro Tech Holdings Ltd | 11.4% | |  |
| ADES | ADA-ES Inc | 15.3% | |  |
| DCI | Donaldson Company Inc | 18.2% | |  |
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