Md. Code Regs. 26.04.06.22

Current through Register Vol. 51, No. 12, June 14, 2024

Section 26.04.06.22 - Transportation

A. The Department may issue a Sewage Sludge Utilization Permit to transport sewage sludge if the equipment to be used, the operation plan, and the destination of the sewage sludge meet the requirements established by the Department.

B. Liquid sewage sludge may be pumped and transported by pipeline, truck, rail, or barge. Liquid sewage sludge shall be transported in closed watertight vessels or containers.

C. Sewage sludge cake that is greater than 15 percent but less than 20 percent total solids content may be transported in watertight containers, such as dump truck bodies or trailers that are sealed to prevent leakage or in closed body vehicles, such as a concrete mixer truck, subject to the following requirements:

(1) The vehicle trailer shall be equipped with metal splash guards securely attached horizontally at the front and rear of the trailer; and

(2) Each splash guard shall span at least 25 percent of the trailer's open area and have no gaps through which sewage sludge cake may escape.

D. Sewage sludge cake that is greater than 20 percent but less than 35 percent total solids content may be transported in watertight containers, such as dump truck bodies or trailers that are sealed to prevent leakage or in closed body vehicles, such as a concrete mixer truck, subject to the following requirements:

(1) The vehicle trailer shall be equipped with metal splash guards securely attached horizontally at the front and rear of the trailer;

(2) Each splash guard shall be at least 4 feet in length and shall be firmly welded or attached to the body of the trailer; and

(3) A medium or heavy duty solid rubber or plastic tarp shall cover the open area of the trailer and shall overlap the splash guard by a minimum of 1 foot. The tarp shall be firmly held down with straps that are attached to ratchets that are bolted to the trailer. The tarp shall cover the top of the trailer so that there is no vertical opening between the tarp and the splash guards, and no opening between the tarp and the sides of the trailer.

E. Sewage sludge cake may be transported in watertight containers, such as dump truck bodies or trailers that are sealed to prevent leakage or in closed body vehicles, such as a concrete mixer truck, subject to the following freeboard requirements:

(1) If the total solids content is greater than 15 percent but less than 25 percent, then a minimum of 2 feet of freeboard shall be maintained between the sewage sludge cake and the top of the trailer unless the top of the trailer is completely sealed; or

(2) If the total solids content is greater than 25 percent but less than 35 percent, then a minimum of 1 foot of freeboard shall be maintained between the sewage sludge cake and the top of the trailer unless the top of the trailer is completely sealed.

F. The Department may require certain types of sewage sludge cake to be transported as liquid sewage sludge.

G. Dried sewage sludge may be transported in open vehicles, such as dump trucks, that are sealed to prevent leakage. The vehicles shall be covered with tarps or the equivalent.

Md. Code Regs. 26.04.06.22

Regulations .22 adopted effective 41:10 Md. R. 562, eff.5/26/2014