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Delaware General AssemblyDelaware RegulationsMonthly Register of RegulationsMay 2014

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Amendments to the Water Quality Regulations, Water Code and Comprehensive Plan to Revise the Human Health Water Quality Criteria for PCBs in Zones 2 through 6 of the Delaware Estuary and Bay
Proposed: Delaware Register of Regulations (17 DE Reg. 143 (08/01/2013)) on August 1, 2013.
Adopted: December 4, 2013
Authority: 53 Delaware Laws, Chapter 71, Approved May 26, 1961 (Delaware River Basin Compact).
Effective Date: Thirty (30) days from publication of the corresponding notice of final rulemaking in the Federal Register.
Expiration Date: N/A
Summary: By Resolution No. 2013-8 on December 4, 2013, the Delaware River Basin Commission approved amendments to the Commission’s Water Quality Regulations, Water Code and Comprehensive Plan to establish a uniform water quality criterion of 16 picograms per liter for polychlorinated biphenyls (PCBs) in the Delaware Estuary and Bay, DRBC Water Quality Management Zones 2 through 6, for the protection of human health from carcinogenic effects.
Supplementary Information: Notice of the proposed amendments appeared in the Delaware Register of Regulations (17 DE Reg. 143) on August 1, 2013, as well as in the Federal Register (78 FR 47241) on August 5, 2013, the New Jersey Register (45 N.J.R. 1907) on August 5, 2013, the New York State Register (page 3) on August 14, 2013, and the Pennsylvania Bulletin (43 Pa.B. 4740) on August 17, 2013. Notice of the proposed changes also was published on the Commission’s web site on August 2, 2013. A public hearing was held on September 10, 2013 and written comments were accepted through September 20, 2013.
In addition to proposing the new criterion, the Commission’s notice of proposed rulemaking in August 2013 invited comment on a draft strategy for implementing the criterion for both point and non-point sources. Developed by the DRBC in partnership with the environmental agencies of the states of Delaware, New Jersey and Pennsylvania, EPA Regions II and III and EPA Headquarters (collectively, “the co-regulators”), the draft strategy sets forth detailed approaches for reducing PCB loadings from point and non-point sources over the coming decades. A key objective of the strategy is to provide uniformity and a degree of certainty to National Pollutant Discharge Elimination System (NPDES) permits that will be issued by the states bordering the Estuary and Bay. Notably, no Commission action on the draft implementation strategy was or is proposed. As DRBC’s Notice of Proposed Rulemaking indicated, new total maximum daily loads (“Stage 2 TMDLs”) for PCBs in the Delaware Estuary and Bay are expected to be established by EPA on behalf of the Estuary states following publication of this Final Rule. The strategy document will be included as an Appendix to the Stage 2 TMDL report when issued. Until Stage 2 TMDLs based upon the new criterion are established, the NPDES permitting authorities have indicated they intend to apply the existing permit approach, which was published as an appendix to the Stage 1 TMDLs for PCBs established by EPA Regions II and III for the Delaware Estuary in 2003 and for the Delaware Bay in 2006.
Rule Text: The affected section of the Commission's Water Code and Water Quality Regulations is Section 3.30, Table 6: Stream Quality Objectives for Carcinogens for the Delaware River Estuary and Bay. Specifically, in accordance with this Final Rule, for the parameter "PCBs (Total)", in the column headed "Freshwater Objectives (ug/l): Fish & Water Ingestion," the number "0.0000444" is replaced by "0.000016"; in the column headed "Freshwater Objectives (ug/l): Fish Ingestion Only," the number "0.0000448" is replaced by "0.000016"; and in the column headed "Marine Objectives (ug/l): Fish Ingestion Only," the number "0.0000079" is replaced by "0.000016".
Related Materials, Contact: The complete text of Resolution No. 2013-8, the Water Code, the Administrative Manual Part III - Water Quality Regulations, a basis and background document setting forth the technical basis for the new criterion, the response-to-comment document addressing comments received by DRBC on the proposed criterion and the draft implementation strategy, and additional documents concerning the control of PCBs in the Delaware Estuary all are available on the Commission’s website, DRBC.net. Copies also may be obtained from the Commission’s Secretary and Assistant General Counsel by phoning 609-883-9500, ext. 203 or 224. A charge for printing and mailing may apply.
For the parameter “PCBs (Total)”, in the column headed “Freshwater Objectives (ug/l): Fish & Water Ingestion,” remove the number “0.0000444” and insert “0.000016”; in the column headed “Freshwater Objectives (ug/l): Fish Ingestion Only,” remove the number “0.0000448” and insert “0.000016”; and in the column headed “Marine Objectives (ug/l): Fish Ingestion Only,” remove the number “0.0000079” and insert “0.000016”.
Last Updated: December 31 1969 19:00:00.
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