Double check valve assembly means an assembly composed of two single, independently acting, check valves including tightly closing shutoff valves located at each end of the assembly and suitable connections for testing the water tightness of each check valve.

technical specification means, with respect to any Software, the document setting forth the technical specifications for such Software and included in the Statement of Work.

Small municipal separate storm sewer system or "small MS4" means all separate storm sewers that are (i) owned or operated by the United States, a state, city, town, borough, county, parish, district, association, or other public body (created by or pursuant to state law) having jurisdiction over disposal of sewage, industrial wastes, stormwater, or other wastes, including special districts under state law such as a sewer district, flood control district or drainage district, or similar entity, or an Indian tribe or an authorized Indian tribal organization, or a designated and approved management agency under § 208 of the CWA that discharges to surface waters and (ii) not defined as "large" or "medium" municipal separate storm sewer systems or designated under 4VAC50-60-380 A 1. This term includes systems similar to separate storm sewer systems in municipalities, such as systems at military bases, large hospital or prison complexes, and highway and other thoroughfares. The term does not include separate storm sewers in very discrete areas, such as individual buildings.

Kyoto Protocol means the protocol to the UNFCCC adopted at the Third Conference of the Parties to the UNFCCC in Kyoto, Japan on 11 December 1997 as may be amended;

Synchronous Optical Network (SONET means the optical interface standard that allows inter-networking of transmission products from multiple vendors. The base rate is 51.84 Mbps (“OC 1/STS 1”) and higher rates are direct multiples of the base rate, up to 13.22 Gbps.

The study identifies a feasible schedule for each vehicle class, quantifies the technical potential for electrification of all types of vehicles, and assesses the net-benefit of a transition of the full on-road vehicle market to plug-in electric vehicles.

Municipal Separate Storm Sewer System Management Program or "MS4 Program" means a management program covering the duration of a state permit for a municipal separate storm sewer system that includes a comprehensive planning process that involves public participation and intergovernmental coordination, to reduce the discharge of pollutants to the maximum extent practicable, to protect water quality, and to satisfy the appropriate water quality requirements of the CWA and regulations and the Act and attendant regulations, using management practices, control techniques, and system, design and engineering methods, and such other provisions that are appropriate.

Combustion turbine means an enclosed fossil or other fuel-fired device that is comprised of a compressor, a combustor, and a turbine, and in which the flue gas resulting from the combustion of fuel in the combustor passes through the turbine, rotating the turbine.

Backflow Prevention Assembly means any mechanical assembly installed at a water service line or at a plumbing fixture to prevent a backflow contamination event, provided that the mechanical assembly is appropriate for the identified contaminant at the cross connection and is an in-line field-testable assembly.

Backflow prevention device means a safety device used to prevent pollution or contamination of the water supply due to the reverse flow of water from the irrigation system.

Double Check-Detector Backflow Prevention Assembly (DCDA) APPENDIXES APPENDIX A – APPROVED BACKFLOW PREVENTION ASSEMBLIES APPENDIX B – DEFINITIONSAPPENDIX C – TABLE 32 - PREMISES REQUIRING ISOLATION APPENDIX D – STANDARD DETAIL DRAWINGS (OCTOBER 2009) SECTION I REGULATIONSI-A.

Double Phase Aerosol Air Freshener means an aerosol air freshener with the liquid contents in two or more distinct phases that requires the product container be shaken before use to mix the phases, producing an emulsion.

Interconnection Feasibility Study means either a Generation Interconnection Feasibility Study or Transmission Interconnection Feasibility Study.

Non-Administrator Substance Use Disorder Treatment Facility means a Substance Use Disorder Treatment Facility that does not meet the definition of an Administrator Substance Use Disorder Treatment Facility.