Regulation .05 Compost Classification.
Regulation .05 Compost Classification.LinkCopy Citation
A.
A compost product is classified as a General Use, Limited Use, or Restricted Use compost as shown in §§B—D of this regulation.
B.
General Use Compost.
(1)
General Use compost may not exceed the following specifications:
(2)
A General Use compost:
(a)
Shall pass through a 12mm (1/2 inch) screen;
(b)
Shall be stabilized;
(c)
May not have an objectionable odor; and
(d)
May be distributed as a soil conditioner for use by the general public or for any use allowed by this chapter.
C.
Limited Use Compost.
(1)
A Limited Use compost may not exceed the following specifications:
(2)
A Limited Use compost:
(a)
Shall pass through an 18mm (3/4 inch) screen;
(b)
Shall be stabilized;
(c)
May not have an objectionable odor; and
(d)
May only be distributed for use by a commercial, agricultural, institutional, or governmental operation, or for restricted use as provided by this chapter.
D.
Restricted Use Compost:
(1)
A Restricted Use compost may not exceed the indicated maximum level for any heavy metal or trace element, as follows:
(2)
A Restricted Use compost:
(a)
May not be a hazardous waste, as defined in COMAR 26.13.02.03;
(b)
May not be stockpiled or disposed of unless authorized by the Maryland Department of the Environment;
(c)
May not be distributed or sold to the general public;
(d)
Is restricted to distribution for use as a final, intermediate, or alternate daily landfill cover, as provided by COMAR 26.04.07, or on marginal land or in land reclamation efforts if applied at rates not to exceed limits established in Table 2 of Regulation .12 of this chapter; and
(e)
Includes any compost exceeding any parameter limit for Limited Use compost, as provided in Regulation .05C of this chapter, or any compost designated by the registrant as Restricted Use classification.