RG-415: Chapter 4 Collecting and Analyzing Bacteriological Samples https://www.tceq.texas.gov/downloads/publications/rg/chapter-4-rg-415.pdf/view https://www.tceq.texas.gov/@@site-logo/TCEQ-logo-header.png RG-415: Chapter 4 Collecting and Analyzing Bacteriological Samples rg-415_chapter4.pdf — 380.0 KB