Section 20-6208. TIER 0 STANDARDS

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The Tier 0 standards for soil shall be the following:

(a)Total petroleum hydrocarbons (TPH) gasoline range organics (GRO) or diesel range organics (DRO) shall be no greater than one hundred parts per million (100 ppm);

(b)Total benzene, toluene, ethylbenzene, and total xylenes (BTEX) shall be no more than ten parts per million (10 ppm); and

(c)Benzene concentration shall be no more than one part per million (1 ppm).

source

Final Rulemaking published at 40 DCR 7835, 7892 (November 12, 1993); as amended by Final Rulemaking published at 46 DCR 7699 (October 1, 1999).

                    
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