Requirements for Remaining on Reduced TTHM and HAA5 Monitoring Based on Subpart I Results

TITLE 35: ENVIRONMENTAL PROTECTION SUBTITLE F: PUBLIC WATER SUPPLIES CHAPTER I: POLLUTION CONTROL BOARD PART 611 PRIMARY DRINKING WATER STANDARDS SECTION 611.977 REQUIREMENTS FOR REMAINING ON REDUCED TTHM AND HAA5 MONITORING BASED ON SUBPART I RESULTS Section 611.977  Requirements for Remaining on Reduced TTHM and HAA5 Monitoring Based on Subpart I Results A supplier may remain on reduced monitoring after the applicable dates identified in Section 611.970(c) for compliance with this Subpart Y only if the supplier fulfills each of the requirements in subsections (a) through (c), subject to the limitations of subsection (d): a)         The supplier qualifies for a 40/30 certification under Section 611.923 or it has received a very small system waiver under Section 611.924; b)         The supplier meets the reduced monitoring criteria in Section 611.973(a); c)         The supplier does not change or add monitoring locations from those used for compliance monitoring under Subpart I; and d)         If the supplier's monitoring locations under this Subpart Y differ from its monitoring locations under Subpart I, the supplier may not remain on reduced monitoring after the dates identified in Section 611.970(c) for the purposes of compliance with this Subpart Y. BOARD NOTE:  Derived from 40 CFR 141.627.