Order of Magnitude Guidance

This document is intended to help remediating parties comply with the new soil remediation standards described in new Remediation Standards rules at N.J.A.C. 7:26D, adopted June 2, 2008, and to help with the development of alternative soil remediation standards. Order of magnitude provisions are established by the Brownfield Act, N.J.S.A. 58:10B-12j and 13e (See Appendix 1) and are implemented through several provisions of the Technical Rules (See Appendix 2). This documents provides guidance on the applicability of order of magnitude evaluations for soil remediation; it explains when increases or decreases in remediation standard concentrations are allowed; it describes when the order of magnitude evaluation is required; and it lists the applicable provisions of the Brownfield Act and of the Technical Requirements for Site Remediation Rule.NJDEP Site Remediation Program: Remediation Standards Guidance DocumentsPurpose: To provide guidance to remediating parties on order of magnitude provisions of the new Remediation Standard