If the concentration of benzene, toluene, ethylbenzene, total xylenes, or MTBE is detected at equal to or greater than the levels of concern defined in Regulation .02B of this chapter in a groundwater sample collected and analyzed in accordance with Regulations .03-.05 of this chapter, an owner of a new or existing gasoline UST system shall:
A. Within 24 hours of receiving an analytical laboratory report that shows the detection, report the sampling results to the Department;B. Within 48 hours of receiving an analytical laboratory report that shows the detection, initiate an investigation both on-site and off-site of the oil storage facility in accordance with COMAR 26.10.08.02-.04; andC. In accordance with COMAR 26.10.09.07, develop a corrective action plan under the direction of the Department.Md. Code Regs. 26.10.07.06
Regulation .06 adopted effective 49:12 Md. R. 642, eff. 6/13/2022