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Environmental Enforcement: EPA Cannot Ensure the Accuracy of Self-Reported Compliance Monitoring Data

RCED-93-21 Published: Mar 31, 1993. Publicly Released: May 04, 1993.
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Highlights

Pursuant to a congressional request, GAO reviewed the Environmental Protection Agency's (EPA) and authorized states' procedures for ensuring the accuracy of self-reported data used in environmental compliance and detection activities, focusing on whether: (1) facilities subject to environmental regulation identify themselves to EPA or an authorized state; (2) sampling results are accurate and reliable to monitor environmental standards compliance; and (3) oversight of collection facilities and laboratories is adequate to prevent error and fraud.

Recommendations

Recommendations for Executive Action

Agency Affected Recommendation Status
Environmental Protection Agency The Administrator, EPA, should direct the Assistant Administrator for Water to undertake a joint effort with authorized states and the Office of Enforcement to develop a program to locate and take appropriate enforcement actions against unregulated facilities that are discharging waste to surface water.
Closed – Implemented
EPA cited several activities under way to identify unregulated facilities and to take appropriate enforcement action, including development of pilot programs to identify unpermitted dischargers, the formation of a work group to study minor and unpermitted discharges, and the use of Toxic Release Inventory data to help identify these dischargers.
Environmental Protection Agency Recognizing that there should be a consistent agencywide policy for identifying unregulated facilities, the Administrator, EPA, should direct the Assistant Administrator for Enforcement to work with other program offices to determine which programs would benefit from a similar effort to identify unregulated facilities.
Closed – Implemented
EPA has undertaken a cross-program enforcement effort that, among other things, identifies and targets unregulated facilities that violate various program requirements. A major element of this effort involves the agency's Data Integrity Enforcement Initiative, which focuses on achieving compliance with reporting, recordkeeping, self-monitoring, and other data requirements. The agency is attempting to ensure that all major EPA programs participate in this effort.
Environmental Protection Agency To ensure that discharge monitoring data are accurate and statistically representative, the Administrator, EPA, should direct the NPDES program to work with the Quality Assurance Management Staff (QAMS) to develop data quality objectives and statistical sampling designs. These methods should then be incorporated into new permits as well as into those that come up for renewal.
Closed – Implemented
EPA's Office of Compliance has developed a Quality Management Plan (QMP) for all activities that generate, validate, prepare, or use environmental and compliance or enforcement data. The implementation process for the QMP consists of the development of data quality objectives, quality assurance project plans, standard operating procedures, and data quality audits. The systems and practices of the QMP provide a framework for assuring the quality of all environmental and compliance or enforcement data.
Environmental Protection Agency To implement a rigorous system for ensuring the reliability and accuracy of self-reported sampling data, the Administrator, EPA, should work with the states to ensure that their inspections of facilities in NPDES and RCRA programs include complete and effective reviews of sampling procedures.
Closed – Implemented
The Office of Water has requested regional water managers to ensure that state inspections include complete reviews of sampling procedures and that regions verify at least annually that state inspections routinely review permittees' sampling procedures. The Office of Solid Waste has taken similar steps to emphasize the importance of effectively reviewing groundwater sampling procedures and held a workshop of experts to develop more effective techniques.
Environmental Protection Agency To implement a rigorous system for ensuring the reliability and accuracy of self-reported sampling data, the Administrator, EPA, should require that state inspectors in the NPDES and RCRA programs be trained in quality assurance and sample collection techniques, and continue to develop training for states to use.
Closed – Implemented
EPA's quality assurance staff has developed generic training on quality assurance management and specific training materials on groundwater sampling and equipment decontamination. The Office of Water has placed greater emphasis on quality assurance and sample collection techniques and is experimenting with various training techniques to reach the greatest number of inspectors. The RCRA program has held a workshop of experts on data quality and published and distributed results.
Environmental Protection Agency To implement a rigorous system for ensuring the reliability and accuracy of self-reported sampling data, the Administrator, EPA, should develop a coordinated approach to laboratory inspections and performance evaluations, either through a national accreditation program or through some other agencywide program, and require its use by the NPDES and RCRA programs, as well as by other programs that EPA identifies as appropriate.
Closed – Implemented
The National Environmental Laboratory Accreditation Conference (NELAC) is a voluntary association of state and federal agencies created by EPA in 1994 to establish and promote mutually acceptable performance standards for the operation of environmental laboratories. Both the RCRA and NPDES programs have agreed to recognize accreditation based on NELAC standards. EPA also established the Environmental Laboratory Advisory Board, a federally chartered committee, which provides consensus advice from a broad range of private-sector interests. The states, EPA, and other federal agencies have approved 70 percent of the standards and the remaining standards will be voted on at the next annual meeting.
Environmental Protection Agency To implement a rigorous system for ensuring the reliability and accuracy of self-reported sampling data, the Administrator, EPA, should direct the NPDES and RCRA programs, as well as other programs and regions that EPA identifies as appropriate, to work with QAMS to schedule management systems reviews and correct any problems found.
Closed – Implemented
ORD has expanded its management review program. Ten reviews, including the RCRA program, were completed in FY 1994 and 13 in FY 1995. The water program was reviewed in late FY 1995. The RCRA and water programs also are developing quality management plans to improve data reliability and accuracy.
Environmental Protection Agency Because the ultimate success of quality assurance depends on attention to quality at all levels, the Administrator, EPA, should include data quality as a performance measure for which senior management is held accountable.
Closed – Implemented
ORD developed quality assurance performance standards to be required for all managers responsible for environmental data collection activities.
Environmental Protection Agency To better detect and deter fraud in self-reported sampling data, the Administrator, EPA, should require the RCRA and NPDES programs to ensure that routine laboratory inspections in both programs and inspections of facilities in the NPDES program include a review of supporting documentation.
Closed – Implemented
The Office of Water has included review of supporting documentation in inspector guides and training programs and is taking other steps to improve detection of fraud in self-reporting sampling data. The RCRA program has taken steps to improve inspector training on laboratory and sampling fraud. It has not inspected laboratories or required states to do so because of a lack of travel funds.
Environmental Protection Agency To better detect and deter fraud in self-reported sampling data, the Administrator, EPA, should require the RCRA and NPDES programs to require that training for state inspectors include fraud awareness training.
Closed – Implemented
The RCRA and NPDES programs have emphasized fraud awareness in training materials but have not required state inspectors to take fraud training. The agency does agree that fraud awareness training is important and has emphasized it in training documents, courses, and other materials.

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Topics

Data integrityEnvironmental monitoringstate relationsInspectionLaboratoriesLaw enforcementQuality controlReporting requirementsStatistical methodsWater pollution control