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

promote the development of improved chemical products

a psychrometer

There has always been an interest in the possibility of preventing deposit formation without chemicals

"Acceptance Test Procedure for Industrial Water Cooling Towers

Pitting due to crevices

The Cooling Tower Institute (CTI) offers to the cooling tower industry and users an unbiased cooling tower performance testing and certi­fication service

both at the production plant and the construction site to ensure each member satisfies the minimum visual and structural standards

environmental

the options available to the designer to improve the performance of these cooling towers are limited

how to go about obtaining a seismic certification

their vibrational performance is better

The standard for vibration limits in water cooling towers provides cooling tower owners and manufacturers a specification for the acceptable mechanical vibration levels in new cooling towers