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79-04: A Summary of Federal and State Requirements for Commercial ApplicatorsSection 4 of the Federal Insecticide, Fungicide and Rodenticide Act (FIFRA), as amended, requires certification of all pesticide ap plicators using restricted use pesticides. The states have an op tion to enforce this requirement, but the state plan must be approved by the EPA. If a state does not adopt a plan or the plan is not ap proved, the EPA conducts the certification program in that state. Any state where the EPA conducts the program, the

Public awareness of environmental standards has grown enormously in recent years

Decreasing water supplies

A developmental installation at an El Paso Natural Gas Company compressor station at El Paso

declining fresh water supplies and the trend toward a more environmentally friendly approach have served to increase the level of interest in various types of water treatment devices

They were designed to function with untreated raw water as make-up

Statistical analysis of data proves the control capability is excellent

Unlike the cooling tower flow

Chlorine Dioxide is a powerful

This paper provides insights into some key parameters of pschrometry

Current work includes research on once-through systems

(2) Operational Factors

An ion exchange based technology has been developed to selectively remove calcium from aqueous streams effectively eliminating calcium as the limiting constituent for COC

Exchange/Return Notes