250 R.I. Code R. 250-RICR-150-10-3.32

Current through November 21, 2024

Section 250-RICR-150-10-3.32 - Appendix 5 - Class A Biosolids Limits

A. Metals:

METAL	LIMIT, mg/kg (dry weight)
Arsenic	41
Cadmium	39
Copper	1500
Lead	300
Mercury	17
Nickel	420
Selenium	100
Zinc	2800

B. Pathogens. The following pathogen limit must be met:

PATHOGEN	LIMIT
Fecal Coliform Bacteria	Less than 1000 Most Probable Number per 1 gram of total solids (dry weight)

1. Pathogen reduction must take place before or at the same time as vector attraction reduction except when options in §§ 3.30(F) through (J) of this Part are used.

250 R.I. Code R. 250-RICR-150-10-3.32