1. A. Unless otherwise stated, throughout this subtitle when a regulation places a requirement on more than one person, the following apply:

   1. (1) The Department may hold all or each person individually liable for a violation;
   2. (2) At least one of the persons listed shall meet the requirement; and
   3. (3) Each person listed shall ensure the requirement is met.

2. B. Except as otherwise provided, this chapter applies to a person that:

   1. (1) Engages in one or more of the following activities:

      1. (a) The aboveground or underground storage, dispensing, or transportation of oil;
      2. (b) The underground storage of a hazardous substance;
      3. (c) The removal, storage, treatment, or transportation of oil-contaminated soil, oil sludge, oil refuse, or oil mixed with other waste;
      4. (d) The installation, removal, closure, or maintenance of a storage tank system; or
      5. (e) The management of used oil, including burning used oil as fuel;
   2. (2) Actively or passively participates in the spill, release, or discharge of oil or allows the spill, release, or discharge of oil; and
   3. (3) Owns, operates, or is the person in charge of a device, equipment, facility, or vessel used to engage or participate in one or more of the activities described under §B(1) or (2) of this regulation.

3. C. Exceptions.

   1. (1) Except for Regulations .02—.06 and .24 of this chapter, the requirements of this chapter do not apply to an owner, an operator, and a person in charge of a vessel, facility, or equipment when used in activities related to the removal of oil within a spill response area defined by a federal or State on-scene coordinator.
   2. (2) Except for Regulations .02—.04, and .24 of this chapter, the requirements of this chapter do not apply to an owner, an operator, and a person in charge of an underground storage tank (UST) system used for the storage of a hazardous substance.

Authority: Environment Article, §§1-101, 4-401, 4-402, 4-405, 4-407—4-412, 4-415—4-420, and 7-201 et seq.; State Government Article, §§10-206 and 10-226; Annotated Code of Maryland

Effective date: September 1, 1974 (1:1 Md. R. 33)

Regulation .07 amended effective April 21, 1978 (5:8 Md. R. 593)

Regulation .07C amended effective September 12, 1983 (10:18 Md. R. 1607)

Regulation .07 repealed effective January 28, 1985 (12:2 Md. R. 134)

Regulations .01—.06 and .08—.13 transferred to COMAR 10.50.01 effective July 1, 1980

Regulations .01—.21 adopted effective January 28, 1985 (12:2 Md. R. 134)

Regulations .01A, B, .02C, .04A, .07A, .08A, .12A, .13, .15A, .17A, C amended effective December 28, 1987 (14:26 Md. R. 2743)

Regulations .04A, .12A, .13, .14B, C, .15, and .18B amended effective July 1, 1985 (12:13 Md. R. 1278)

Regulation .06 repealed and new Regulation .06 adopted effective December 28, 1987 (14:26 Md. R. 2743)

Regulation .09 amended effective September 23, 1985 (12:19 Md. R. 1847)

Regulation .14E adopted effective August 26, 1985 (12:17 Md. R. 1702)

Regulation .22 adopted effective December 28, 1987 (14:26 Md. R. 2743)

Appendix A amended effective August 26, 1985 (12:17 Md. R. 1702)

Appendix A recodified as Regulation .23 and amended effective December 28, 1987 (14:26 Md. R. 2743)

Chapter recodified from COMAR 08.05.04 to COMAR 26.10.01

Regulation .01 amended effective January 1, 1996 (22:26 Md. R. 2031); September 7, 1998 (25:18 Md. R. 1438); February 18, 2002 (29:3 Md. R. 223)

Regulation .01-1 adopted effective January 1, 1996 (22:26 Md. R. 2031)

Regulation .02D adopted effective January 1, 1996 (22:26 Md. R. 2031)

Regulation .04 amended effective January 1, 1996 (22:26 Md. R. 2031)

Regulation .04A amended effective April 5, 2010 (37:7 Md. R. 575)

Regulation .05 repealed effective January 1, 1996 (22:26 Md. R. 2031)

Regulation .05 adopted effective February 24, 1997 (24:4 Md. R. 294)

Regulations .07, .16, and .17 amended as an emergency provision effective January 18, 1993 (20:3 Md. R. 256); amended permanently effective July 18, 1993 (20:13 Md. R. 1050)

Regulation .07A amended effective February 4, 1991 (18:2 Md. R. 151); February 18, 2002 (29:3 Md. R. 223)

Regulation .08A amended effective February 4, 1991 (18:2 Md. R. 151); February 18, 2002 (29:3 Md. R. 223)

Regulation .09 amended effective February 18, 2002 (29:3 Md. R. 223)

Regulation .09B amended effective February 4, 1991 (18:2 Md. R. 151)

Regulation .12 amended effective February 18, 2002 (29:3 Md. R. 223)

Regulation .12A amended effective February 4, 1991 (18:2 Md. R. 151); February 18, 2002 (29:3 Md. R. 223); April 5, 2010 (37:7 Md. R. 575)

Regulation .12B amended effective September 18, 1989 (16:18 Md. R. 2025); February 18, 2002 (29:3 Md. R. 223)

Regulations .13—.15 repealed effective February 4, 1991 (18:2 Md. R. 151)

Regulation .16 amended effective February 18, 2002 (29:3 Md. R. 223)

Regulation .17 amended effective February 18, 2002 (29:3 Md. R. 223)

Regulation .17A amended effective September 18, 1989 (16:18 Md. R. 2025)

Regulation .18B amended effective February 18, 2002 (29:3 Md. R. 223)

Regulation .19 repealed effective September 7, 1998 (25:18 Md. R. 1438)

Regulation .20A amended effective February 4, 1991 (18:2 Md. R. 151); February 18, 2002 (29:3 Md. R. 223)

Regulations .22—.24 repealed effective February 4, 1991 (18:2 Md. R. 151)

Regulation .23 amended effective May 1, 1989 (16:8 Md. R. 911)

Regulation .24 adopted effective May 1, 1989 (16:8 Md. R. 911)

Regulations .22—.24 recodified from Regulations .25—.27 and adopted effective January 1, 1996 (22:26 Md. R. 2031)

Regulations .01—.24 repealed and new Regulations .01—.24 adopted effective June 13, 2022 (49:12 Md. R. 642)