| 11. | Even using secondary treatment, water quality can be improved.
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| 12. | Critics have cited the'old-school tie'nature of many promotions, and the poor treatment, or secondary treatment of women.
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| 13. | One is Vancouver, which has upgraded two plants on the Fraser River from primary to secondary treatment.
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| 14. | The catchment runoff then undergoes secondary treatment through a wetland system before discharge into an ornamental lake.
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| 15. | These overflows can lead to violation of the secondary treatment regulation and / or water quality standards.
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| 16. | Biological nutrient removal is regarded by some sanitary engineers as secondary treatment and by others as tertiary treatment.
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| 17. | The EPA estimates the construction of a secondary treatment facility in Mayaguez would cost approximately $ 100 million.
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| 18. | Secondary treatment systems accustomed to routine production cycles of industrial facilities may have difficulty surviving industrial plant shutdown.
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| 19. | The basic national standard for U . S . municipal treatment plants is the "'Secondary Treatment Regulation " '.
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| 20. | By 1989, sewer workers stopped using it and relied on a less effective backup system to provide secondary treatment.
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