Md. Code Regs. 15.18.04.12
(a) This is the maximum sum of all prior loadings to the soil. (b) Compost shall have a pH greater than or equal to 5.5.
| Regulated Heavy Metal | Cumulative Loadinga,b |
|---|---|
| A. Arsenic | 37 lbs/acre |
| B. Cadmium | 35 lbs/acre |
| C. Chromium | 2,680 lbs/acres |
| D. Copper | 1,340 lbs/acre |
| E. Lead | 270 lbs/acre |
| F. Mercury | 15 lbs/acre |
| G. Molybdenum | 16 lbs/acre |
| H. Nickel | 375 lbs/acre |
| I. Selenium | 90 lbs/acre |
| J. Zinc | 2,500 lbs/acre |
Authority: Agriculture Article, Title 6, Subtitle 2, Annotated Code of Maryland
Effective date: February 13, 1995 (22:3 Md. R. 155)
Regulation .01B amended effective December 16, 2019 (46:25 Md. R. 1131)
Regulation .02A amended effective January 21, 2013 (40:1 Md. R. 22)
Regulation .07A amended effective December 16, 2019 (46:25 Md. R. 1131)