Final answer:
Water testing protocols aim for accuracy in contaminant readings, incorporating calibration processes and indicator bacteria testing.
Explanation:
Testing Water Contaminants
The protocol for testing water aims to provide realistic contaminant readings. Professionals use carefully controlled laboratory conditions to determine bacterial concentrations, ensuring accuracy in assessing water and food safety.
- Calibration Process: The Environmental Protection Agency's protocol involves calibration with method blanks, standards, and verification samples to validate results.
- Indicator Bacteria: E. coli testing signifies potential sewage contamination, alerting to the presence of harmful organisms like Salmonella.
- Laboratory vs. Real World: While laboratory conditions are controlled, results may not always generalize to real-world scenarios due to varying factors.
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