35-11-1605(a)(ii).

35-11-1605(a)(ii).

(b) When the department has determined that monitored natural attenuation over a reasonable period of time is appropriate and that no exposure to contaminated media is reasonably expected during the period of natural attenuation, the department shall, upon request, provide the owner or prospective purchaser a no further action letter. The no further action letter may require that the current use of the property continue during the period of natural attenuation and also may require that testing be conducted to confirm that standards are met.

35-11-1609. Use control areas; when establishment required; procedure; contents of petition; notice; failure of governmental entity to act; enforcement; exception.

(a) The owner of a site who proposes long-term restrictions on the use of the site shall petition to the appropriate governmental entity or entities for the creation of a use control area to establish long-term restrictions on the use of the site.  (b) A use control area may be created or modified only upon the petition of the owner of a site, and notice and public hearing as provided in subsection (d) of this section, and shall include only the site, unless adjacent property owners consent.

(c) The petition to establish a use control area shall contain data, information and any remedy options required in a preliminary remediation agreement under W.S. 35-11-1606.

(d) Upon submission of a petition for long term use restrictions, the governmental entity to whom the use area designation petition has been submitted shall cause the owner to give written notice of the petition to all surface owners of record of land contiguous to the site, and to publish notice of the petition and a public hearing once per week for four (4) consecutive weeks in a newspaper of general circulation in the county in which the site is located. The notice shall identify the property, generally describe the petition and proposed use restrictions, direct that comments may be submitted to the governmental entity or entities to whom the petition has been submitted, and provide the date, time and place of a public hearing. The public hearing shall be held no sooner than thirty (30) days after the first publication of the notice. After the public hearing has been held, the governing board, commission or council shall vote upon the creation of the use control area in accordance with applicable rules, regulations and procedures. No use control area shall be created except upon petition of the owner and a majority vote of the appropriate board, commission or council.

(e) The governmental entity to whom the use control area petition has been submitted shall approve or deny an owner's petition for a use control area within one hundred eighty (180) days after the petition is received. The owner and a governmental entity may agree to extend the time period in which the governmental entity is to vote upon the petition. The governmental entity may, on a vote taken within one hundred eighty (180) days after the petition is received, condition its vote approving the petition upon the owner's subsequent filing of the determination by the director that a remedy can be selected that meets the requirements of W.S. 35-11-1605 and is consistent with owner's petition.

(f) The restrictions in a use control area are enforceable by the issuing governmental entity by injunction, mandamus or abatement, in addition to any other remedies provided by law.  (g) Except as provided in subsection (e), nothing in this section shall contravene or limit the authority of any county, city or town to regulate and control the property under their jurisdiction.

(h) The department shall not have the authority to require a governmental entity to adopt any zoning regulation or restriction applicable to a site as part of a remediation or response action or a remedy agreement.

(j) If the department has issued a no further action letter under W.S. 35-11-1608, then no use control area designation shall be required.

35-11-1610. Reopening or termination of remedy agreements, covenants not to sue, certificates of completion or no further action determinations; conditions; recording.

(a) The department may reopen a remedy agreement, covenant not to sue or certificate of completion at any time if:

(i) The current owner fails substantially to comply with the terms and conditions of the remedy agreement, covenant not to sue or certificate of completion;

(ii) An imminent and substantial endangerment to human health or the environment is discovered;

(iii) Contamination is discovered that was present on the site but was not known to the owner or the department on the date of the remedy agreement or when the department issued a covenant not to sue or certificate of completion; or

(iv) The remedy fails to meet the remediation objectives that are contained in the remedy agreement or certificate of completion.

(b) The department may reopen a no further action determination at any time if:

(i) An imminent and substantial endangerment to human health or the environment is discovered; or

(ii) The department determines that the monitored natural attenuation remedy under W.S. 35-11-1608(b) is not effective in meeting the standards for a no further action letter under this section.  (c) The department may terminate a remedy agreement, covenant not to sue, certificate of completion or no further action letter if it is discovered that any of these instruments were based on fraud, material misrepresentation or failure to disclose material information, or if an owner's willful violation of any use restriction results in harmful exposures of any toxic contaminant to any user or occupant of the site.

(d) If a remedy agreement, covenant not to sue, certificate of completion or no further action letter is reopened or terminated, the department shall record a notice of such action in the office of the county clerk with the deed for the site and shall file the notice in the office of the county clerk no later than ten (10) business days after the date of the remedy agreement, covenant not to sue, certificate of completion or no further action letter is reopened or terminated.

35-11-1611. Disputes; appeal.

If a person and the department are unable after good faith efforts to resolve a dispute arising under this article pursuant to the provisions of an agreement, the person may appeal the department's decision to the council.

35-11-1612. Fees; notice; appeal.

The department shall implement a fee system and schedule of fees which are applicable to the preliminary remediation agreements, remedy agreements, certificates of completion and no further action letters authorized under this article. Fees shall cover all reasonable direct and indirect costs of the department's participation in any activity authorized by this article. The department shall give written notice of the amount of the fee assessment. The owner of the eligible site may appeal the assessment to the council within forty-five (45) days of receipt.

35-11-1613. Remediation requirements for nonvoluntary sites.

(a) The remediation requirements for sites that do not participate in the voluntary remediation program in W.S.