Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 391 - DESIGN CRITERIA FOR SLUDGE APPLICATION ON LAND
Subpart E - SAMPLE COLLECTION AND ANALYSIS
Section 391.510 - Collection of Soil Samples

Universal Citation: 35 IL Admin Code ยง 391.510

Current through Register Vol. 48, No. 38, September 20, 2024

Soil sample collection shall be conducted so as to be representative of the entire sludge application site.

a) Soil Plow Zone - one soil sample shall be collected per 8 acres of sludge application site area to a depth of 12 inches. Each soil sample shall be taken a homogeneous mixture composed of at least 10 subsamples randomly collected within the 8 acre area.

b) Soil Profiles - one soil core sample per 8 acres of land application site shall be obtained to a depth of 5 feet using a soil tube or soil auger type implement. Soil cores shall be divided into 5 one foot subsamples and each subsample shall be analyzed separately.

c) Soil sample collection pursuant to Subsections (a) and (b) may be modified by the Agency upon request by the applicant after considering the quality of the sludge, sludge application rate and continuity of soil types of the sludge application site.

Disclaimer: These regulations may not be the most recent version. Illinois may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.