Code of Massachusetts Regulations
257 CMR - BOARD OF REGISTRATION OF OPERATORS OF WASTEWATER TREATMENT FACILITIES
Title 257 CMR 2.00 - Certification Of Operators Of Wastewater Treatment Facilities
Section 2.04 - Exemptions
Universal Citation: 257 MA Code of Regs 257.2
Current through Register 1531, September 27, 2024
The following treatment systems are exempt from certified operator requirements:
(a) lime chip neutralization;
(b) neutralizing less than 100 gallons per day;
(c) small scale silver recovery;
(d) oil/water separators using gravity separation, also known as ?MDC traps?; and
(e) closed loop systems.
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