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. Author manuscript; available in PMC: 2022 Feb 1.
Published in final edited form as: Water Res. 2020 Nov 18;189:116656. doi: 10.1016/j.watres.2020.116656

Table 1.

Ohio EPA (OEPA) sampling requirements of the hospital following monochloramine treatment during this study. OEPA requirements may have changed since this work. Hospital monitoring results will not be presented here. The table does not include the EPA study sampling plan.

Analyte Frequency Sampling Location
Required OEPA Regulatory Sampling
Monochloramine Weekly Entry Point to DS
HPCs 1 per month then reduced to quarterly Distribution Point
Free ammonia Daily Entry Point to DS
Nitrate Daily Entry Point to DS
Nitrite Daily Entry Point to DS
Lead and copper Per US EPA LCR Distribution Cold Water
TTHM and HAA5 2 sites, 1 per year Distribution Point
Self-Study Sampling
Monochloramine Daily 5 Distribution Points
Free ammonia Daily 5 Distribution Points
Nitrate Daily 5 Distribution Points
Nitrite Daily 5 Distribution Points
Legionella 3 sites, quarterly Distribution Point