AASHTO R 23-99 (2018) PDF Download

AASHTO R 23-99 (2018) is a standard practice that provides a comprehensive guide for the chemical, biological, and physical analysis of water. It aims to address the increasing concern over the analysis of natural waters and wastewaters due to environmental regulations and public awareness. As a result, there is a greater demand for accurate and reliable data on water quality.

This standard practice includes a list of various parameters that are commonly used in water analysis, and it presents testing methods for these parameters in a systematic and reproducible manner. The parameters are presented in the order of their frequency of use, with the most frequently used parameters listed first.

By referencing established sources and utilizing standardized procedures, AASHTO R 23-99 (2018) ensures that the testing conducted by transportation departments and other relevant entities follows consistent and reliable methods. This promotes uniformity and comparability of water analysis results, thereby enhancing the effectiveness of water quality monitoring and management efforts.