What standard must media meet according to AWWA?

The correct response indicates that media must meet the AWWA standard B100-96. This standard specifically pertains to the requirements for filter media used in water treatment processes, which is an essential aspect of ensuring that the media provides effective filtration and meets necessary quality criteria.

AWWA B100-96 outlines the specifications for various forms of filter media, including those made from sand, anthracite, and other materials. It defines the physical properties, grading, and quality assurance that filter media must possess to be deemed acceptable for use in drinking water treatment facilities.

By adhering to AWWA B100-96, operators ensure that the media they use will effectively remove particles and impurities from water, thus contributing to the overall goal of producing safe and clean drinking water. Understanding and applying the standards set forth by AWWA is crucial for compliance and operational efficiency in surface water treatment processes.