Abstract
Two most probable number (MPN) methods-lauryl tryptose broth with Escherichia coli broth confirmation and direct A-1 broth incubation (A-1)-were compared for the enumeration of fecal coliform in lime-treated biosolid. Fecal coliform numbers were significantly higher using the A-1 method. Analysis of positive A-1 tubes, however, indicated that a high percentage of these were false positives. Therefore, the use of A-1 broth for 40 CFR Part 503 Pathogen Reduction (CFR, 1993) compliance testing is not recommended.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 423-424 |
| Number of pages | 2 |
| Journal | Water Environment Research |
| Volume | 77 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2005 |
All Science Journal Classification (ASJC) codes
- Environmental Chemistry
- Ecological Modeling
- Water Science and Technology
- Waste Management and Disposal
- Pollution
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