FBO_21_Attachment_20_SEC_22a-133k-3_Ground_water_remediation_Stds.pdf
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- Abatement, Demolition, Preliminary Restoration - 5 Residential Easement Properties, State of Connecticut
- Solicitation number
- 121A2318B0002
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Sec 22a-133k-3 Ground Water Remediation Standards
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Regulations of Connecticut State Agencies
Sec. 22a-133k-3. Ground-water remediation standards
(a) General.
(1) Remediation of a ground-water plume shall result in the attainment of: {A) the requirements concerning surface water protection set forth in subsection (b) of this section and the requirements concerning volatilization set forth in subsection ( c) of this section; or
(B) the background concentration for ground water for each substance in such plume.
(2) Remediation of a ground-water plume in a GA area shall also result in the reduction of each substance therein to a concentration equal to or less than the background concentration for ground water of such substance, except as provided in subsection ( d) of this section.
(3) Remediation of a ground-water plume in a GB area shall also result in the reduction of each substance therein to a concentration such that such ground-water plume does not interfere with any existing use of the ground water.
(b) Surface-water protection criteria.
(1) Except as provided in subdivision (2) of this subsection, remediation of a ground water plume which discharges to a surface water body shall result in the reduction of each substance therein to a concentration which is consistent with subdivision (2)(C) of subsection (g) of this section and which is equal to or less than the surface-water protection criterion or an alternative surface-water protection criterion established in accordance with subdivision (3) of this subsection.
(2) If a ground-water plume (A) discharges to a wetland or an intermittent stream, or
(B) the areal extent of such ground-water plume occupies more than 0.5%, or other percentage which is approved in writing by the Commissioner, of the upstream drainage basin of the stream to which such plume discharges measured from the intersection of stream and such ground-water plume, each substance therein shall be remediated to a concentration equal to or less than the applicable aquatic life criteria contained in Appendix D to the most recent Water Quality Standards, or equal to or less than an alternative water quality criterion adopted by the Commissioner in accordance with section 22a-426 of the General Statutes and paragraph 12b of the Water Quality Standards effective May 15, 1992.
(3) Alternative surface-water protection criteria.
Alternative surface-water criteria may be calculated in accordance with subparagraph
{A) of this subdivision or may be approved in writing by the Commissioner in accordance with subparagraph (B) of this subdivision.
(A) An alternative surface-water protection criterion may be calculated for a substance in Appendix D of the most recent Water Quality Standards by multiplying the lower of the human health or aquatic life criterion for such substance in said Appendix D by where Q plume is equal to the average daily discharge of polluted ground water from the subject ground water plume.
(B) The Commissioner may approve an alternative surface-water protection criterion to be applied to a particular substance at a particular release area. Any person requesting such approval shall submit to the Commissioner: (i) a report on the flow rate, under seven day ten year low flow conditions, of the surface water body into which the subject ground water plume discharges (ii) a report on other surface water or ground water discharges to the surface water body within one-half mile upstream of the areal extent of the ground-water
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ATTACHMENT 20
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
Restoration - 5 Residential Easement Properties, West Haven, Connecticut
ATTACHMENT 20
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
SEC 22a-133k-3 Ground-Water Remediation Standards Solicitation 121A2318B0002 Abatement, Demolition, Preliminary
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