Oregon Administrative Rules
Chapter 340 - DEPARTMENT OF ENVIRONMENTAL QUALITY
Division 122 - HAZARDOUS SUBSTANCE REMEDIAL ACTION RULES
Section 340-122-0325 - Evaluation of Matrix Cleanup Level
Universal Citation: OR Admin Rules 340-122-0325
Current through Register Vol. 63, No. 3, March 1, 2024
(1) In order to determine a specific Matrix cleanup level, the site must first be evaluated by:
(a) Assigning a numerical score to each of
the five site-specific parameters in OAR
340-122-0330(1)-(5);
and
(b) Totaling the parameter
scores to arrive at the Matrix Score.
(2) The Matrix Score must then be used to select the appropriate numeric soil cleanup standard as specified in OAR 340-122-0335.
Stat. Auth.: ORS 465.400 & ORS 466.746
Stats. Implemented: ORS 465.200 - ORS 465.455 & ORS 466.706 - ORS 466.835
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