Economic Impact Study of R81-11 Trihalomethane Standards for Public Water Supplies (Classic Reprint) - Softcover

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Excerpt from Economic Impact Study of R81-11 Trihalomethane Standards for Public Water Supplies

Table 4 The Rock Island pws was also found to be in violation of the proposed standard in an August, 1981 sample. Rock Island serves between and people.

Estimating the range of compliance costs is made difficult by the lack of detailed data on tthm sampling results across the state, and on the feasibility and effectiveness of the multitude of possible alterations in water treatment processes. Most water supply authorities have stated that many of the pws which have to implement changes in their water treatment processes will be able to bring the tthm level into compliance by changing chlorination points and/or replacing chlorine with another disinfectant. The large capital costs associated with the addition of the carbon adsorption treatment alternative are not expected.

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