(1) In this regulation licensed driller means a person who holds a well driller's licence in accordance with Division 4 of Part 7 of the Water Management Act 1999 .(2) An infrastructure owner of a storage system must ensure that a groundwater-monitoring well that is installed, in respect of the storage system, in a groundwater protection zone after the commencement day is, in addition to the requirements under regulation 18 (a) constructed so that cross-contamination between aquifers is prevented; and(b) constructed so that the groundwater-monitoring well screen allows, under any seasonal groundwater conditions, entry of petroleum into the well if petroleum is lost from the storage system ; and(c) constructed by a licensed driller in accordance with the monitoring bore requirements of the Minimum Construction Requirements for Water Bores in Australia; and(d) installed in accordance with any EPA guidelines in relation to the installation of groundwater-monitoring wells.Penalty: Fine not exceeding 100 penalty units.(3) An infrastructure owner of a storage system must ensure that sampling and analysis of groundwater to determine whether petroleum has contaminated the groundwater (a) occurs between 7 and 21 days after a groundwater-monitoring well is installed in respect of the storage system; and(b) is carried out in accordance with regulation 6 .Penalty: Fine not exceeding 100 penalty units.