ASTM E 1739 : 1995 : R2015

1.2.1Performance of a site assessment;

1.2.2Classification of the site by the urgency of initial response;

1.2.3Implementation of an initial response action appropriate for the selected site classification;

1.2.4Comparison of concentrations of chemical(s) of concern at the site with Tier 1 Risk Based Screening Levels (RBSLs) given in a look-up table;

1.2.5Deciding whether further tier evaluation is warranted, if implementation of interim remedial action is warranted or if RBSLs may be applied as remediation target levels;

1.2.6Collection of additional site-specific information as necessary, if further tier evaluation is warranted;

1.2.7Development of site-specific target levels (SSTLs) and point(s) of compliance (Tier 2 evaluation);

1.2.8Comparison of the concentrations of chemical(s) of concern at the site with the Tier 2 evaluation SSTL at the determined point(s) of compliance or source area(s);

1.2.9Deciding whether further tier evaluation is warranted, if implementation of interim remedial action is warranted, or if Tier 2 SSTLs may be applied as remediation target levels;

1.2.10Collection of additional site-specific information as necessary, if further tier evaluation is warranted;

1.2.11Development of SSTL and point(s) of compliance (Tier 3 evaluation);

1.2.12Comparison of the concentrations of chemical(s) of concern at the site at the determined point(s) of compliance or source area(s) with the Tier 3 evaluation SSTL; and

1.2.13Development of a remedial action plan to achieve the SSTL, as applicable.

1.3.1Section 2 lists referenced documents,

1.3.2Section 3 defines terminology used in this guide,

1.3.3Section 4 describes the significance and use of this guide,

1.3.4Section 5 is a summary of the tiered approach,

1.3.5Section 6 presents the RBCA procedures in a step-by-step process,

1.3.6Appendix X1 details physical/chemical and toxicological characteristics of petroleum products,

1.3.7Appendix X2 discusses the derivation of a Tier 1 RBSL Look-Up Table and provides an example,

1.3.8Appendix X3 describes the uses of predictive modeling relative to the RBCA process,

1.3.9Appendix X4 discusses considerations for institutional controls, and

1.3.10Appendix X5 provides examples of RBCA applications.