If you were on increased monitoring under Sec. 141.132(b)(1), you must remain on increased monitoring until you qualify for a return to routine monitoring under Sec. 141.625(c). You must conduct increased monitoring under Sec. 141.625 at the monitoring locations in the monitoring plan developed under Sec. 141.622 beginning at the date identified in Sec. 141.620(c) for compliance with this subpart and remain on increased monitoring until you qualify for a return to routine monitoring under Sec. 141.625(c).