Section 4-6 - Monitoring Standards All facilities required to institute monitoring shall meet the standards described in this section.
(a) Handling and storage of samples: Groundwater and soil samples shall be collected and stored in accordance with Department of Environmental Quality/Water Quality Division requirements.
(b) Groundwater: - (i) Well placement: All facilities required to install monitoring wells shall place them in accordance with the department's requirements. Following initial placement of the wells, the operator shall confirm that the wells are capable of measuring groundwater quality representative of conditions hydraulically upgradient and downgradient of the solid waste disposal facility.
- (ii) Well design, construction/installation and abandonment: All wells shall be designed, constructed and installed in accordance with the Water Quality Division Chapter XI requirements. All abandoned monitoring wells shall be plugged and sealed in accordance with the Water Quality Division Chapter XI requirements.
- (iii) Permits required: Prior to well installation, the monitoring well design, construction and location specifications shall be approved by the department. A construction permit under Chapter III of the Water Quality Division rules and regulations is not required. All monitoring wells shall be permitted by the Wyoming State Engineer's Office.
- (iv) Analyses: Baseline, routine and detection monitoring will be specified by the department on a case-by-case basis.