Code of Massachusetts Regulations
310 CMR - DEPARTMENT OF ENVIRONMENTAL PROTECTION
Title 310 CMR 32.00 - Land Application of Sludge and Septage
Section 32.12 - Criteria for Approval of Suitability
Current through Register 1537, December 20, 2024
In order to receive an Approval of Suitability, an owner or operator shall demonstrate that the sludge or septage shall meet the following criteria:
(1) Stabilization.
(2) Classification.
TABLE 32.12(2)(a)
Heavy Metals or Chemicals |
Maximum Allowable Concentration in Parts Per Million Dry Weight |
Cadmium |
14 |
Lead |
300 |
Nickel |
200 |
Zinc |
2500 |
Copper |
1000 |
Chromium (Total) |
1000 |
Mercury |
10 |
Boron (water soluble) |
300 |
Molybdenum |
40 |
PCBs in Type I sludge which is a commercial fertilizer pursuant to 310 CMR 32.11(6) |
2 |
PCBs in Type I sludge which is soil conditioner pursuant to 310 CMR 32.11(6) |
1 |
TABLE 32.12(2)(b)
Heavy Metals or Chemicals |
Maximum Allowable Concentration in Parts Per Million Dry Weight |
Cadmium |
25 |
Lead |
1000 |
Nickel |
200 |
Zinc |
2500 |
Copper |
1000 |
Chromium (Total) |
1000 |
Mercury |
10 |
Boron (Water soluble) |
300 |
PCBs |
10 |
Molybdenum |
40 |