[SRRA]: Revised - Notice Concerning the Use of Rounding of Analytical Data as a Method to Determine Compliance with Remediation Standards

The New Jersey Department of Environmental Protection (NJDEP) has been receiving an increasing number of inquiries regarding rounding analytical data as a method to determine compliance with remediation standards. The NJDEP does not have an official policy regarding rounding as a method of compliance. It should also be noted that current laws and rules regarding remediation do not address rounding as a method of compliance.

The NJDEP has determined that this issue is best addressed by amending the "Technical Guidance for the Attainment of Remediation Standards and Site-Specific Criteria," and will be reconvening the stakeholder committee in February 2020 to discuss the rounding issue.

IMPORTANT: Until the technical guidance is revised, rounding of analytical data should be handled in the following manner:

For analytical data associated with Immediate Environmental Concern and Vapor Concern cases, rounding should not be conducted. This is consistent with a long-standing practice used by the Site Remediation and Waste Management Program (SRWMP) Immediate Concern Unit.

For all other analytical data, the LSRP, keeping in mind that highest priority in the performance of professional services shall be the protection of public health and safety and the environment, should use their independent professional judgment in determining if rounding of analytical data is appropriate. If analytical data are rounded, the technical justification for doing so must be contained in the appropriate document submittal.

SRP Site Remediation Reform Act (SRRA) Web site: www.nj.gov/dep/srp/

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