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Title 40: Protection of Environment
CHAPTER I: ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
SUBCHAPTER D: WATER PROGRAMS (CONTINUED)
PART 141: NATIONAL PRIMARY DRINKING WATER REGULATIONS
Subpart T: Enhanced Filtration and Disinfection-Systems Serving Fewer Than 10,000 People
: Individual Filter Turbidity Requirements
141.561 - What happens if my system's turbidity monitoring equipment fails
If there is a failure in the continuous turbidity monitoring equipment, your system must conduct grab sampling every four hours in lieu of continuous monitoring until the turbidimeter is back on-line. Your system has 14 days to resume continuous monitoring before a violation is incurred.
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