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r, Once all the required well work is completed and all records are submitted,a Report of Well Abandonment(Form OG159)or Reabandonment(modified Form OG159)will be sent to you.This report states that all of the requirements have been fulfilled relative to plugging and abandoning or reabandoning the well, removing well equipment and junk,and filing well records. r In the event a well cannot be plugged to present-day standards or the equivalent,a modified Report of Well Abandonment or Reabandonment(Form OG159)will be prepared stating that the Division does not recommend that a building be constructed over the well without further consideration.On the Construction-Site Plan Review, further consideration may be satisfied with additional reabandonment requirements,and/or recommendation of mitigation measures(e.g.,vent system,impermeable membrane, passive collection system,etc.). On some occasions,the Division will recommend that no building be constructed over the well. n. A Division engineer may prepare a Construction-Site Plan Review(Form OG190),which may include requirements and recommendations regarding surface mitigation for natural gas and any active wells and facilities that will remain after the development is completed. When the review process is complete,the reviewing engineer may affix a Division certification or review stamp to all three copies of the Construction-Site Plan and all three copies of the Plan Review(Form OG190).One copy is sent to the local permitting agency,one copy is sent to the applicant,and the third copy is retained in the district office. The Construction-Site Plan Review may have an expiration date of one year from the date of the review at the discretion of the District Deputy or local permitting agency. If an applicant does not comply with the Division's reabandonment statute requirements,which may be modified at local jurisdiction direction,the District will notify the local permitting agency of the situation. Contaminated Soil Found at a Construction Site r The Division will notify the local permitting agency if contaminated soil is found at a project site. 1.When contaminated soil is discovered either by the applicant or a Division inspector,the phrase'Contaminated soil was found in proximity to the well"may be used as a comment on the Construction-Site Plan Review. 2.When contaminated soil is discovered after the Division has issued a Construction-Site Plan Review letter,a follow-up letter may be sent to the local permitting agency. r 3. If an unrecorded well is discovered during the construction process,the Division must be notified immediately. Plugging and abandonment or reabandonment requirements will be determined at that time. Water Wells When an oil-or natural-gas well has been converted to a water well, the following policies apply: A. If a well was drilled for the purpose of exploring for oil and natural gas, and penetrated any oil or gas zone,or penetrated the base of fresh water,that well is considered to fall under the requirements of PRC Section 3208.1 and should be treated as such during the Construction-Site Plan Review. Wells that were converted to water wells and subsequently abandoned by water-well abandonment methods should be plotted on the construction-site plan and tested for leakage, because they penetrated below the base of _ fresh water or into oil and gas zones. B.Wells drilled as known water wells do not fall under the requirements of PRC Section 3208.1 and are outside of Division jurisdiction.The reason they should be on the construction-site plan and listed on the plan review is to avoid confusing them with an oil or gas well in the event that they become a problem in the future. However,if a water well is in an area of known shallow gas,the Division may recommend a vent system for the well. Vent Systems and other Gas-Mitigation Measures s. r r