UST Corrective Action Program Policies-Virginia
MAIN> STATES > Virginia

  1.0  STATE CONTACT INFORMATION 
Last Updated: 10/11/2001
State Name Virginia  
Regulatory Agency Name Department of Environmental Quality
Division Name Office of Spill Response and Remediation
Key Contact Person(s) 
Name:   James Barnett Name: Dave Chance
Title: Environmental Specialist II Title:  
Telephone:   Telephone:  
Email:   Email: dpchance@deq.state.va.us
  2.0  STATE UST CORRECTIVE ACTION PROGRAM INFORMATION  
2.1 Name of Corrective Action Program Virginia DEQ Storage Tank Program
2.2 Information Sources
      2.2.1 Web Address: www.deq.state.va.us
  2.2.2 Statute Citation (if applicable): Section 62.1-44.34:8 and 9 (Code of V
  2.2.3 Rule Citation (if applicable): 9 VAC 25-580-10 et seq.
  2.2.4 Guidance Documents
       2.2.4.1 Name: Storage Tank Prog. Tech. Manual, Reimbursement Gui
       2.2.4.2 Web address for download: www.deq.state.va.us
           2.2.4.3 Ordering Information:
2.3  When was this corrective action program last revised (year)? no
2.4  Are significant revisions planned in the next two years? No
 2.5       Is the program based on ASTM RBCA framework (E-1739 or E-2081)? No
 2.6 Program Performance Records: Are data collected and analyzed by the state to evaluate the
effectiveness of the state corrective action program? Yes
(If yes, identify program performance measures evaluated)
            Case closure rate: Yes
    Case backlog: Yes
    Average site remediation cost:
    Risk classification profile for active cases:
    Basis for case closure:
    Remediation portfolio risk reduction:
    Other:
 2.7 Applicable Regulatory Programs: In addition to UST's, what other regulatory areas are covered by this corrective action program?
                    RCRA:
    Superfund:
    Spills/Emergency Response :
    Voluntary Cleanup:
    Brownfields:
    Other: ASTs, unregulated USTs
  3.0  SITE ASSESSMENT
3.1 Constituents to be Analyzed: What constituents are required for analysis at UST release sites under this corrective action program?
   
 
  Constituent
Soil
GW
  Benzene
  Ethylbenzene
  Toluene
  Xylenes
  MTBE
  Lead
  GRO
  DRO
  TPH
  Other: required constituents are
  Other: based upon product
  Other: stored in the tank
  Other:
      
 
   Notes: GRO = Gas Range Organics, DRO = Diesel Range Organics,
   TPH: Total Petroleum Hydrocarbons.
       
3.2 Site Prioritization/Classification: Does the corrective action program include a site classification system which is used to rate each corrective action site regarding priority for corrective action? No
      3.2.1   If yes, does the site classification affect the corrective action requirements?
  3.2.2

  If yes, does the site classification affect time frame for corrective action at the site?

3.3 Groundwater Classification: Does the corrective action program include a groundwater
classification system? No
  3.3.1    If yes, is the groundwater classification system based on regional groundwater
  characteristics (e.g. state groundwater quality/use maps).
  3.3.2   Is the groundwater classification system based on site-specific characteristics?
(If yes, indicate characteristics included in classification)?
    Current groundwater use (e.g., proximity of wells, etc.):
    Water quality (e.g., total dissolved solids):
    Presence of other constituents (e.g., nitrate):
    Potential well yield:
    Hydraulic conductivity of groundwater-bearing units:
    Other:
3.4

Receptor Survey : Is a receptor survey required as part of the site assessment? Yes(If yes, indicate types of receptors included in the survey)
    Ecological habitats (e.g., wetlands, lakes, rivers, etc.): Yes
    Surface water bodies: Yes
    Land Use: Yes
    Water wells: Yes
    Underground utilities: Yes
    Basements: Yes
    Other:
3.5 Ecological Risk : Is an ecological risk assessment required as part of the site assessment or corrective action? Yes
  3.5.1 If yes, is there an ecological risk assessment guidance document? No
    3.5.1.1 Web address:
    3.5.1.2 Document name:
    3.5.1.3 Ordering information:
3.6 Report Forms : Does the corrective action program require use of standardized report forms to report the results of the site assessment? No
           
  4.0   EXPOSURE PATHWAYS
4.1  Applicable Exporsure Pathways: Are remediation standards based on defined exposure pathways?
Yes(If yes, identify exposure pathways considered)
        
 
         Applicable
  Exposure Pathway
Pathway Considered
Pathway Screening
Allowed
 Soil
 Soil Direct Contact  (Inhalation,
Ingestion,  and/or Dermal Contact)
Yes
 Soil to Groundwater
Yes
 Soil to Outdoor Air
Yes
 Soil to Indoor Air
Yes
Groundwater
 Groundwater Ingestion
Yes
Yes
 Groundwater to Outdoor Air
Yes
 Groundwater to Indoor Air
Yes
 Groundwater to
   Surface Water
Yes
          
 
    4.1.1   Does the corrective action program allow pathway screening (a site-specific
  demonstration that an exposure pathway is incomplete)? Yes
              
4.2 Numerical Concentration Limits: Numerical concentration limits are determined based on which ofthe following factors (check all that apply)?
               Background Concentration:   
  Analytical detection limits:
  Regulatory limit (e.g., MCL):
  Risk-based calculation: Yes
  4.2.1 For a groundwater classified as a drinking water resource:
      MCL does not apply: Yes
      MCL always applies, if available for the COC:
      Use lesser of MCL or site-specific value:
      Use greater of MCL or site-specific value
  4.2.2 Concentration limits may change based on which of the following factors (check all that apply)?
      Land use: Yes
      Groundwater classification:
      Assessment Tier:
      Physical controls: Yes
      Institutional controls:
4.3 Development of Site-Specific Concentration Limits: Does the corrective action program allow the applicant to develop site-specific soil and groundwater concentration limits for use in site remediation?
Yes
  4.3.1   If yes, how many evaluation tiers are included in the development of
  site-specific concentration limits?
4.4 Generic Screening Limits: For a Tier 1 evaluation or equivalent generic screening assessment, provide concentration limits for the following conditions:
 
Residential
Commercial
Drinking Water
Non-Drinking Water
Non-Drinking Water
 Benzene

 GW: Groundwater  Ingestion
0 mg/l
site spec. mg/l
site spec. mg/l
 Soil: Soil to GW
site spec. mg/kg
site spec. mg/kg
site spec. mg/kg
 Soil: Direct Contact
site spec. mg/kg
site spec. mg/kg
 MTBE
 GW: Groundwater  Ingestion
0 mg/l
site spec. mg/l
site spec. mg/l
 Soil: Soil to GW
site spec. mg/kg
site spec. mg/kg
site spec.mg/kg
 Soil: Direct Contact
site spec. mg/kg
site spec.mg/kg
   
4.5 Applicable Target Risk Limits: Are the generic concentration limits (i.e. Tier 1) used in this program based on target risk limits? No(If yes, specify applicable target risk below:)
  4.5.1 Carcinogens
               4.5.1.1  Individual constituents: 0.000001
     4.5.1.2  Cumulative effects (multiple constituents): 0.000001
     4.5.2 Non-Carcinogens
   

.4.5.2.1 Individual constituents: 1
     4.5.2.2 Cumulative effects (multiple constituents): 1
  4.5.3 Do risk limits vary by assessment tier? No
 5.0  REMEDY SELECTION
5.1 Groundwater Remedy: Does the selected groundwater remedy always have to prevent short-term groundwater plume growth? No
5.2 NAPL Remediation Requirements: What quantity of NAPL observed in observation will triggers NAPL
investigation/response action?other
  5.2.1 Is NAPL removal to extent practicable required in all cases?  
    Yes   
  5.2.2 If extent of NAPL remediation depends on risk factors, identify applicable factors triggering need for NAPL response: 
    NAPL discharge to ground surface or SW:  
    Explosive vapor condition in subsurface utility or other structure:
    NAPL plume expanding in area:
    NAPL contributing to expansion of dissolved plume:
    Site-specific risk evaluation indicates need for NAPL response:
5.3  Use of Monitored Natural Attenuation: Is monitored natural attenuation (MNA) an acceptable remedy for  management of affected groundwater, if effective? Yes
   5.3.1

Is state guidance available for implementation of monitored natural attenuation remedies? Yes
    5.3.1.1 Web address: www.deq.state.va.us
    5.3.1.2 Guidance document name: Storage Tank Program Technical Manual
    5.3.1.3 Ordering information:  
   5.3.2 Is active removal of the "source area" (e.g., residual, non-mobile NAPL ) always required when monitored natural attenuation is used as a groundwater remedy? No
5.4

 Use of Engineering Controls: Are engineering controls acceptable remedies, if effective? Yes
    Pavement for containment of affected soils:
    Barrier wall or cutoff trench for control of GW:  
    Pump and treat for hydraulic containment:  
    Other:
5.5 Use of Institutional Controls: Are institutional controls (e.g., land use restrictions, groundwater use restrictions) allowed or required for some remedies? Yes(If yes, identify acceptable institutional control methods)
    Deed notice:  
    Deed restriction:  
    Restrictive covenant or other contract with land owner:  
    Listing in state registry of affected properties:  
    Agreed order or consent decree:  
    Other: GIS showing location of leaking USTs is available
           
 6.0  CASE CLOSURE CRITERIA

 
 6.1 Groundwater Compliance Monitoring
  6.1.1 How many groundwater sampling events are required to demonstrate compliance with groundwater remediation standards following active remediation?:No defined number
       
  6.1.2 How many groundwater sampling events are required to demonstrate compliance with groundwater remediation standards following monitored natural attenuation ?:No defined number
       
  6.1.3 What is the minimum time between groundwater sampling events?:site-specific
     

 


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