Section 5-1.61 - Monitoring requirements for disinfection byproduct precursors

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New York Codes, Rules and Regulations

Monitoring Requirements for Disinfection Byproduct Precursors
Source Type	System Type	Filtration Type	Sampling location at each plant	Routine		Reduced¹
				Monitoring requirements	Frequency²	Running annual average TOC results	Frequency
Surface water and GWUDI	Community and NTNC	Conventional	Combined Filter effluent³	TOC⁴	Monthly	<2.0 mg/L for two consecutive years or <1.0 mg/L for one year	1 TOC (paired) per plant/quarter
			Raw	TOC⁴	Monthly
				Alkalinity	Monthly
		All other types	Raw	TOC	Monthly	≤4.0 mg/L	1 TOC quarterly