Protecting Public Health and the Environment.

Protect Your Right to Land Apply Biosolids — Understanding EPA’s 503 Regulation Workshop

This workshop was taught by U.S. EPA Region 8 Biosolids Coordinator Robert Brobst and USDA-ARS Northwest Irrigation and Soils Research Laboratory Research Soil Scientist Jim Ippolito. It reviewed the federal requirements for beneficial use of biosolids, with the interpretation and understanding of the rules and regulations set forth by EPA. Topics covered in the workshop were: 

  • Submittal forms required by federal regulatory agencies
  • Biosolids characterization and stabilization
  • Biosolids loading and application rate calculations and other mathematical computations associated with operation and control of biosolids
  • Important management practices and record keeping
  • Potential violations and penalties 

Continuing Education Credits

1.100 IBOL CEU’s approved for wastewater professionals.


Wednesday, May 16, 2012

Time Topics
8:30 a.m. Sign-in
8:30-9:00 a.m. Course Introductions and Overview of Idaho DEQ and EPA Regulations
9:00-10:15 a.m. The Basics of EPA Regulations
10:15-10:30 a.m. Break
10:30-11:45 a.m. The Science of Land Application
11:45-1:00 p.m. Lunch (on your own)
1:00-2:00 p.m. Math for Compliance (Pathogen, VSR, etc.)
2:00-2:15 p.m. Break
2:15-3:15 p.m. Land Application Math (Agronomic Application)
3:15-4:15 p.m. Q&A Session

Thursday, May 17, 2012

Time Topics
8:30-9:00 a.m. Second Day Course Introduction and Overview
9:00-9:50 a.m. Scenario 1: Land Application to Crop Land: What are the Steps I Need to Take?
9:50-10:00 a.m. Q&A Session
10:00-10:15 a.m. Break
10:15-11:05 a.m. Scenario 2: Lagoon Cleanout with Land Application
11:05-11:15 a.m. Q&A Session
11:15 a.m.-12:05 p.m. Scenario 3: Multiple Products Multiple Use Disposal Practices
12:05-1:05 p.m. Lunch (on your own)

1:05-1:35 p.m.

Q&A Session

1:35-2:05 p.m.

Self Audit/Self Inspection

2:05-2:15 p.m.


2:15-3:15 p.m.

Q&A Open Discussion

3:15-4:00 p.m.

Biosolids and Other Land Applied Sludge Wastes in Idaho

* Agenda is subject to change

Staff Contacts

Wastewater Analyst
Tressa Nicholas
DEQ State Office
Water Quality Division
1410 N. Hilton
Boise, ID 83706
(208) 373-0116

Administrative Assistant
Whitney Rowley
DEQ State Office
Water Quality Division
1410 N. Hilton
Boise, ID 83706
(208) 373-0409

Workshop Presentations

Post Workshop Supporting Material

Related Pages

Sludge & Biosolids

Environmental Conferences, Trainings & Workshops Hosted by DEQ