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NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULESTABLE OF CONTENTSCHAPTER Env-Or 400 UNDERGROUND STORAGE TANK FACILITIESPART Env-Or 401Env-Or 401.01Env-Or 401.02Env-Or 401.03Env-Or 404.04PURPOSE; APPLICABILITY; FEDERAL REGULATIONSPurposeApplicabilityExclusionsDate of Incorporated Federal RegulationsPART Env-Or 402Env-Or 402.01Env-Or 402.02Env-Or 402.03Env-Or 402.04Env-Or 402.05Env-Or 402.06Env-Or 402.07Env-Or 402.08Env-Or 402.09Env-Or 402.10Env-Or 402.11Env-Or 402.12Env-Or 402.13Env-Or 402.14Env-Or 402.15Env-Or 402.16Env-Or 402.17Env-Or 402.18Env-Or 402.19Env-Or 402.20Env-Or 402.21Env-Or 402.22Env-Or 402.23Env-Or 402.24Env-Or 402.25Env-Or 402.26Env-Or 402.27Env-Or 402.28Env-Or 402.29Env-Or 402.30Env-Or 402.31Env-Or 402.32Env-Or 402.33Env-Or 402.34Env-Or 402.35Env-Or 402.36Env-Or 402.37Env-Or 402.38Env-Or 402.39Env-Or 402.40Env-Or 402.41Env-Or 402.42Env-Or 402.43Env-Or 402.44DEFINITIONSAirport Hydrant Fuel Distribution SystemAnnuallyAs-Built Record DrawingAuxiliary TankBackfillingCathodic Protection SystemCathodic Protection TesterCertified Tank InstallerCertified Tank RemoverCompatibleConnected PipingContainment SumpCorrosion ExpertDay TankDepartmentDischargeExcavation ZoneExisting FacilityFacilityFittingsField-Erected TankHeating OilHydrant PitHydrostatic Tightness TestImpressed Current SystemLeak Monitoring SystemLiningLiquid-TightListed Release Detection EquipmentListed Test MethodMarinaMonthlyMotor FuelNew FacilityNew UST SiteNon-Public Water SystemOilOil-Water SeparatorOn-Premise UseOperateOperating DayOperatorOwnerPersoniEnv-Or 400

NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULESEnv-Or 402.45Env-Or 402.46Env-Or 402.47Env-Or 402.48Env-Or 402.49Env-Or 402.50Env-Or 402.51Env-Or 402.52Env-Or 402.53Env-Or 402.54Env-Or 402.55Env-Or 402.56Env-Or 402.57Env-Or 402.58Env-Or 402.59Env-Or 402.60Env-Or 402.61Env-Or 402.62Env-Or 402.63Env-Or 402.64Env-Or 402.65Env-Or 402.66Env-Or 402.67Env-Or 402.68Env-Or 402.69Env-Or 402.70Env-Or 402.71Env-Or 402.72PART Env-Or 403Env-Or 403.01Env-Or 403.02Env-Or 403.03Env-Or 403.04Env-Or 403.05Env-Or 403.06Env-Or 403.07PipingPiping SystemPneumatic Tightness TestPublic Water SystemRegulated SubstanceReleaseRelease DetectionRepairReplaceResidential BuildingSacrificial Anode SystemSecondary ContainmentSensorSpill ContainmentStage I SystemStage II SystemStorage SystemSubstantial ModificationSubstantially Modified FacilitySurface Waters of the StateTankTransfer OperatorTrienniallyUnderground Storage Tank (UST)Underground Storage Tank Facility (UST Facility)Underground Storage Tank System (UST System)Unusual Operating ConditionUsed OilREFERENCE STANDARDSAvailability and Applicability of Reference StandardsAmerican Petroleum InstituteASME InternationalFiberglass Tank and Pipe InstituteNACE InternationalNational Fire Protection AssociationPetroleum Equipment InstitutePART Env-Or 404 REGISTRATION; PERMIT TO OPERATE; REQUIRED NOTIFICATIONS ANDRECORDS; FINANCIAL RESPONSIBILITYEnv-Or 404.01 RegistrationEnv-Or 404.02 Change from Use Not Previously Covered to Covered UseEnv-Or 404.03 Change in ProductEnv-Or 404.04 Additional Information Required for RegistrationEnv-Or 404.05 Signature RequiredEnv-Or 404.06 Permit to Operate RequiredEnv-Or 404.07 Obtaining a permit to OperateEnv-Or 404.08 Display, Applicability, and Validity of Permit to OperateEnv-Or 404.09 Records to be MaintainedEnv-Or 404.10 Transfer of Facility OwnershipEnv-Or 404.11 Suspension of Revocation of Permit to OperateEnv-Or 404.12 Financial ResponsibilityEnv-Or 404.13 Owner LiabilityiiEnv-Or 400

NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULESPART Env-Or 405Env-Or 405.01Env-Or 405.02Env-Or 405.03Env-Or 405.04Env-Or 405.05Env-Or 405.06Env-Or 405.07Env-Or 405.08Env-Or 405.09Env-Or 405.10Env-Or 405.11Env-Or 405.12EQUIPMENT STANDARDSTank Standards for UST SystemsPiping Standards for UST SystemsSecondary Containment for TanksSecondary Containment and Sumps for Piping SystemsSpill ContainmentOverfill ProtectionDispensing AreasLeak Monitoring Systems for TanksLeak Monitoring Systems for Piping SystemsCathodic Protection SystemsChanges to Cathodic Protection SystemsDay Tank Markings RequiredPART Env-Or 406Env-Or 406.01Env-Or 406.02Env-Or 406.03Env-Or 406.04Env-Or 406.05Env-Or 406.06Env-Or 406.07Env-Or 406.08Env-Or 406.09Env-Or 406.10Env-Or 406.11Env-Or 406.12Env-Or 406.13Env-Or 406.14Env-Or 406.15Env-Or 406.16Env-Or 406.17Env-Or 406.18Env-Or 406.19OPERATION, MAINTENANCE, AND TESTINGOn-Going Maintenance RequiredOperation and Maintenance of Leak Monitoring SystemsDelivery or Transfer of Regulated SubstancesUnusual Operating ConditionsRequirements for Tightness Testers and Test MethodsLeak Rate Detection CriteriaRequirements for Test ReportsTest FailuresAutomatic Line Leak Detector TestingCathodic Protection System TestingOverfill Prevention Device TestingSpill Containment Integrity TestingLeak Monitoring Equipment TestingContainment Sump Integrity TestingHydrostatic Tightness Test for Sumps and Spill ContainmentPneumatic Tightness Test for PipingPrimary Containment System TestingMonthly, Bi-Monthly, and Annual Visual InspectionsReports of Visual InspectionsPART Env-Or 407Env-Or 407.01Env-Or 407.02Env-Or 407.03Env-Or 407.04Env-Or 407.05Env-Or 407.06Env-Or 407.07Env-Or 407.08Env-Or 407.09Env-Or 407.10INSTALLATION REQUIREMENTSApplication for Approval of UST SystemsInformation Required for ApplicationApplication ProcessingDecision on ApplicationRequirements for UST System InstallersUST System Design RequirementsNotification and Inspection; BackfillInstallation Testing RequirementsRequirements for Replacement of UST System ComponentsInstallation of Fueling Systems over Surface WatersPART Env-OR 408 REPAIR, CLOSURE, REMOVALEnv-Or 408.01 Repair of Tanks: Pre-Repair Considerations and RequirementsEnv-Or 408.02 Repair of Tanks: Post-Repair RequirementsEnv-Or 408.03 Repair and Replacement of Underground Piping, Containment Sumps, and SpillContainmentEnv-Or 408.04 Temporary ClosureEnv-Or 408.05 Permanent Closure RequiredEnv-Or 408.06 Permanent Closure: Notification and Supervision RequirediiiEnv-Or 400

NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULESEnv-Or 408.07Env-Or 408.08Env-Or 408.09Env-Or 408.10Env-Or 408.11PART Env-Or 409Env-Or 409.01Env-Or 409.02Env-Or 409.03Env-Or 409.04Procedures for Permanent ClosurePermanent Closure: Site AssessmentPermanent Closure: Inspection RequiredPermanent Closure: Closure Report; RecordkeepingLimitation on Re-Use of TanksWAIVERSApplicabilityWaiver RequestsWaiver CriteriaDecision on Waiver Requests; ConditionsREVISION NOTE #1:Document #10393, effective 9-1-13, readopted with amendments and redesignated former Part Env-Wm1401 titled “Underground Storage Tank Facilities” as Chapter Env-Or 400 pursuant to a rules reorganizationplan for Department rules approved by the Director of the Office of Legislative Services on9-7-05.The prior filings affecting the former Env-Wm 1401 included the following documents:#6499, eff 4-24-97#8281, eff 2-3-05REVISION NOTE #2:Document #12643, effective 10-10-18, effectively readopted with amendments the entire ChapterEnv-Or 400, including the adoption or addition of new rules and the repeal or deletion of existing rules.The following new rules were adopted or otherwise added to Chapter Env-Or 400:Env-Or 401.04 Date of Incorporated Federal Regulations.Env-Or 402.01 defining “Airport hydrant fuel distribution system”.Env-Or 402.04 defining “Auxiliary tank”.Env-Or 402.12 defining “Containment sump”.Env-Or 402.14 defining “Day tank.”Env-Or 402.16 defining “Discharge”Env-Or 402.21 defining “Field-erected tank.”Env-Or 402.23 defining “Hydrant pit.”Env-Or 402.36 defining “Non-public water system.”Env-Or 402.38 defining “Oil-water separator.”Env-Or 402.53 defining “Replace.”Env-Or 402.57 defining “Sensor.”Env-Or 402.58 defining “Spill containment.”Env-Or 404.03 Change in Product.Env-Or 405.12 Day Tank Markings Required.Env-Or 406.18 Monthly, Bi-Monthly, and Annual Visual Inspections.Env-Or 406.19 Reports of Visual Inspections.The following rules were repealed or otherwise deleted from the former Chapter Env-Or 400:Env-Or 405.10Env-Or 405.11Env-Or 406.01Env-Or 406.02Env-Or 406.03Release Detection for Tanks Without Secondary Containment and Leak Monitoring.Release Detection for Piping Systems.Inventory Monitoring and Leak Detection Required.On-Premise Use Facilities (OPUF).Single Wall USTs Containing Motor Fuel or Bulk Storage Fuel Oil.ivEnv-Or 400

NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULESEnv-Or 406.04Env-Or 406.05Env-Or 406.07Env-Or 406.15Inventory Monitoring for OPUFs and Emergency Generator Single Wall USTs.Inventory Monitoring for Used Oil Single Wall USTs.Operation of Automatic Tank Gauge Devices.Automatic Tank Gauging Testing.The changes in Chapter Env-Or 400 required renumbering of various existing rules in Parts Env-Or 402,404, 405, and 406. The former existing rule numbers are indicated in the source notes for those rules.Document #12643 replaces all prior filings for rules in Chapter Env-Or 400. The prior filings for the formerrules after the filing of Document #10393 included the following documents, which affected only Env-Or406.24 titled “Primary Containment System Testing”, readopted with amendments and renumbered byDocument #12643 as Env-Or 406.17:#12160, eff 4-17-17, EMERGENCY#12365, eff 8-19-17vEnv-Or 400

NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULESCHAPTER Env-Or 400 UNDERGROUND STORAGE TANK FACILITIESStatutory Authority: RSA 146-C:9; RSA 146-A:11-c, III, IV, V-a, & VIIIPART Env-Or 401 PURPOSE; APPLICABILITY; FEDERAL REGULATIONSEnv-Or 401.01 Purpose. The purpose of this chapter is to prevent and minimize contamination of theland and waters of the state due to the improper storage and handling of regulated substances, includingmotor fuels, heating oils, lubricating oils, other fluids containing or contaminated by petroleum, andhazardous substances, by establishing criteria and procedures for the registration and permitting required byRSA 146-C and standards for the design, installation, operation, maintenance, and monitoring ofunderground storage tank facilities.Source. (See Revision Note #1 (RN1) at p. iv) #10393, eff9-1-13; ss by #12643, eff 10-10-18 (See Revision Note #2(RN2) at pp. iv-v)Env-Or 401.02 Applicability. Subject to the exclusions listed in Env-Or 401.03, this chapter shallapply to any underground storage tank (UST) facility at which any individual tank has a capacity of greaterthan 110 gallons, or is of unknown capacity, that stores or has stored any regulated substance.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (See RN2 at pp. iv-v)Env-Or 401.03 Exclusions. The following shall not be subject to regulation under this chapter:(a)Any UST facility that is used solely for heating a residential building;(b)Any UST facility at which:(1) No tank has a storage capacity of more than 1,100 gallons; and(2) All tanks are used solely for the storage of heating oil for on-premise heating use;(c) Any storage system where less than 10% of the total volume of the tank(s) and associated pipingis below the surface of the ground;(d)Any storage system that is located in an underground room or vault if:(1) Each tank and all associated piping are totally above or upon the surface of the floor;(2) No portion of any tank is covered, surrounded, or buried with soil, stone, or other material;and(3) All components can be visually inspected;(e) Any tank or oil water separator that is used in an emergency spill or overflow containmentsystem, provided the tank is emptied at or otherwise taken to a facility that is legally authorized to receivesuch oil within 48 hours after the emergency use has ended;(f) Equipment or machinery that contains regulated substances for operational purposes, such ashydraulic lift tanks and electrical equipment tanks;(g) Oil-transmission pipelines subject to the Natural Gas Pipeline Safety Act of 1968 or theHazardous Liquid Pipeline Safety Act of 1979;(h) Oil/water separators at wastewater treatment facilities regulated under the Clean Water ActSection 402 or 307(b);(i) Septic tank systems or floor drain collection tank systems that collect waste for the purpose ofsegregating the collected wastes from septic systems;1Env-Or 400

NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULES(j) Any flow-through process system that is integral to the operation of equipment, such asmanufacturing process equipment, elevators, trash compactors, and vehicle lifts, through which there is asteady, variable, recurring, or intermittent flow of one or more regulated substances during the operation ofthe equipment, exclusive of any tank(s) or tank system(s) used for the storage of regulated substances priorto their introduction into the production process or for the storage of finished products or by-products fromthe production process;(k) Any facility that is regulated under the Atomic Energy Act of 1954 because it contains radioactivematerial, provided that the UST system meets the installation requirements of 40 CFR 280.11; and(l) Any UST facility that stores products containing one or more regulated substances inconcentrations that are below the applicable allowable drinking water standard for the regulated substance.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (See RN2 at pp. iv-v)Env-Or 401.04 Date of Incorporated Federal Regulations. Unless otherwise specified, references to 40CFR within this chapter shall be to the 07-01-17 edition.Source. #12643, eff 10-10-18 (See RN2 at pp. iv-v)PART Env-Or 402 DEFINITIONSEnv-Or 402.01 “Airport hydrant fuel distribution system” means a UST system that fuels aircraft andoperates under high pressure with large diameter piping that begins where fuel enters one or more tanks froman external source such as a pipeline, barge, rail car, or other motor fuel carrier, and terminates at one ormore hydrants, also known as fill stands.Source. #12643, eff 10-10-18 (See RN2 at pp. iv-v)Env-Or 402.02 “Annually” means at least once in each calendar year, but not later than 12 monthsafter the prior annual event.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 402.02) (See RN2 at pp. iv-v)Env-Or 402.03 “As-built record drawing” means one or more plans that clearly depict the actuallocation of all components and the specifications of all components of a new UST facility or a substantiallymodified UST facility.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 401.01) (See RN2 at pp. iv-v)Env-Or 402.04 “Auxiliary tank” means a day tank installed in the supply piping between a heating oilburning device and the UST that supplies it, is an integral component of the piping system, and is a UL 443tank not exceeding 60 gallons in capacity.Source. #12643, eff 10-10-18 (See RN2 at pp. iv-v)Env-Or 402.05 “Backfilling” means the process of surrounding and covering tanks, piping, andassociated components after they have been installed with the type of material, such as sand or crushedstone, required by the specifications of the manufacturer of the installed equipment or, if none, thespecifications shown on the approved plans.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 402.03) (See RN2 at pp. iv-v)Env-Or 402.06 “Cathodic protection system” means the totality of components used to reduce thecorrosion of a metal surface by making that surface the cathode of an electrochemical cell, using either asacrificial anode or impressed current system.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 402.04) (See RN2 at pp. iv-v)2Env-Or 400

NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULESEnv-Or 402.07 “Cathodic protection tester” means an individual who is certified by NACEInternational, the Steel Tank Institute, or the International Code Council as being qualified to evaluate theeffectiveness of cathodic protection of buried metal tanks and piping systems.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 402.05) (See RN2 at pp. iv-v)Env-Or 402.08 “Certified tank installer” means an individual who is certified by:(a)The International Code Council in UST system installation/retrofitting; and(b) The equipment manufacturer as being qualified in the installation of the manufacturer’sequipment or individual system components.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 402.06) (See RN2 at pp. iv-v)Env-Or 402.09 “Certified tank remover” means an individual who is certified by the InternationalCode Council in UST system decommissioning and who has knowledge of federal UST regulations andindustry standards.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 402.07) (See RN2 at pp. iv-v)Env-Or 402.10 “Compatible” means the ability of 2 or more substances to maintain their respectivephysical and chemical properties upon contact with one another for the design life of the UST system inwhich they come in contact, under conditions likely to be encountered in the UST system.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 402.08) (See RN2 at pp. iv-v)Env-Or 402.11 “Connected piping” means the entirety of a piping system that is attached to a tank orstorage system through which regulated substances can flow.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 402.09) (See RN2 at pp. iv-v)Env-Or 402.12 “Containment sump” means a liquid-tight container, with or without secondarycontainment, that protects the environment by containing leaks and spills of regulated substances frompiping, dispensers, pumps, and related components in the containment area. The term includes containmentsumps located:(a)At the top of the tank, known as tank top or submersible turbine pump sumps;(b) Underneath the dispenser, known as under-dispenser containment sumps, dispenser sumps, andunder-dispenser sumps; and(c) At other points in the piping run, known as piping sumps, transition sumps, intermediate sumps,low-point sumps, and piping vaults.Source. #12643, eff 10-10-18 (See RN2 at pp. iv-v)Env-Or 402.13 “Corrosion expert” means an individual who is:(a) Accredited or certified by NACE International as a corrosion specialist or cathodic protectionspecialist; or(b) A registered professional engineer with certification or licensing that includes education andexperience in corrosion control of buried metal piping systems and metal tanks.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 402.10) (See RN2 at pp. iv-v)3Env-Or 400

NEW HAMPSHIRE CODE OF ADMINISTRATIVE RULESEnv-Or 402.14 “Day tank” means a tank installed in the supply piping between a heating oil or motorfuel burning device and the UST that supplies it, that is an integral component of the piping system.Source. #12643, eff 10-10-18 (See RN2 at pp. iv-v)Env-Or 402.15 “Department” means the department of environmental services.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 402.11) (See RN2 at pp. iv-v)Env-Or 402.16 “Discharge” means “discharge” as defined in RSA 146-C:1, II, reprinted inAppendix C.Source. #12643, eff 10-10-18 (See RN2 at pp. iv-v)Env-Or 402.17 “Excavation zone” means the empty volume remaining after a UST system andsurrounding material are removed.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 402.12) (See RN2 at pp. iv-v)Env-Or 402.18 “Existing facility” means “existing facility” as defined in RSA 146-C:1, IV, reprintedin Appendix C.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-Or 402.13) (See RN2 at pp. iv-v)Env-Or 402.19 “Facility” means “facility” as defined in RSA 146-C:1, V, reprinted in Appendix C.Source. (See RN1 at p. iv) #10393, eff 9-1-13; ss by #12643,eff 10-10-18 (formerly Env-


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