本文描述了可用于评估水中微生物和生长基质浓度的方法，以阐明生物污染问题，包括:异养平板计数；直接细胞总数；AOC试验；生物膜形成率。包括27个参考文献、图表。

This paper describes methods which can be used for assessing the concentrations of microorganisms and growth substrates in the water to elucidate biofouling problems that include: heterotrophic plate count; total direct cell count; AOC test; and, biofilm formation rate. Includes 27 references, figures.