35 Ill. Adm. Code 830.503
Performance Standards for General Use Compost
Section 830
Section 830.503 Performance
Standards for General Use Compost
General-use compost:
a) Must be free of any materials which pose a definite hazard to
human health due to physical characteristics, such as glass or metal shards;
b) Must not contain man-made materials larger than four
millimeters in size exceeding 1% of the end-product compost, on a dry weight
basis;
c) Must have a pH between 6.5 and 8.5;
d) Must have reached stability, as demonstrated by one of the
methods prescribed in Section 830.Appendix B;
e) Must not exceed, on a dry weight basis, the inorganic
concentrations set forth in Section 830.Table A; and
f) Must not contain fecal coliform populations that exceed 1000
MPN per gram of total solids (dry weight basis), or Salmonella species
populations that exceed 3 MPN per 4 grams of total solids (dry weight basis).