This is the first in a series of documents developed by the National Training and Operational Technology Center describing operational control procedures for the activated sludge process used in wastewater treatment. Part I of this document deals with physical observations which should be performed during each routine control test. Part II…

This is the second in a series of documents developed by the National Training and Operational Technology Center describing operational control procedures for the activated sludge process used in wastewater treatment. This document deals exclusively with the calculation procedures, including simplified mixing formulas, aeration tank…

This document is the appendix for a series of documents developed by the National Training and Operational Technology Center describing operational control procedures for the activated sludge process used in wastewater treatment. Categories discussed include: control test data, trend charts, moving averages, semi-logarithmic plots, probability…

Designed specifically for use in the Muskingum Area Joint Vocational School in Zanesville, Ohio, this high school course of study in child care services is presented as an example of an application of the instructional systems design (ISD) process. Introductory material in the guide includes general notes on the Zanesville setting, school…

Provided are samples of three experience-based career education (EBCE) experience-site learning guides. Each sample is organized into four basic parts. The first part describes the nature of the site (e.g., name of site, address, lunch arrangements, special regulations). The second part gives a brief description of the different sections of the…