257 CMR, § 2.04

Current through Register 1533, October 25, 2024
Section 2.04 - Exemptions

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.

257 CMR, § 2.04