Dust Control Policy for Scott County

In order to make the application for permit process more convenient you can apply for dust control three different ways: Online, telephone, or walk-in our office. You are still responsible for marking the area to be treated with lathe and colored ribbon. If you did not save your ribbon from last year you can pick some up at the Engineer's Office or at our maintenance facility on Blackhawk Trail in Eldridge.

To sign up for Dust Control:

• Use our convenient online form
• Phone: (563) 328-4170
• Walk-in locations:
  • Scott County Engineer's Office
    500 W. Fourth Street
    Davenport, Iowa 52801
  • Secondary Road Maintenance
    950 E. Blackhawk Trail
    Eldridge, Iowa 52748

---

Deadline Dates for 2007 Dust Control

First Deadline - May 1 for application after May 15
Second Deadline - June 1 for application after June 15

---

Statement of Policy

It shall be the policy of Scott County to permit the application of dust palliative agents for the control of dust on county rock roads. All pursuant to the provisions of Chapter 319.14 of the Code of Iowa (Obstructions in Highways).

Approved Materials

The following materials are approved for use as a dust control palliative:

1. Lignosulfonate (Lignin or Tree Sap)*
2. Calcium Chloride
3. Glycerin (soy based product made up of sugars from soy beans)

WASTE OIL IS NOT PERMITTED AS A DUST CONTROL PALLIATIVE. The Iowa Department of Natural Resources and the Scott County Health Department will be notified if the use of waste oil is discovered.

Information about the applicaiton of Calcium Chloride / Lignosulfonate (Tree Sap) / Glycerin

Calcium Chloride / Tree Sap may be used and reapplied at the discretion of the permit holder depending on the weather. Following application of the dust palliative, grader operators will be instructed to avoid blading the roads until mid October of each year unless potholes develop, then Scott County reserves the right to blade the treated surface as deemed necessary to protect the traveling public.

After dust control materials have been applied the permit holder is responsible for perpetually keeping the area free of chuckholes by filling them with like materials as they develop. Scott County reserves the right to scarify any treated surface portions and to maintain them as rock roads. If in the County's opinion, proper maintenance has not been done by the permit holder, the County will scarify and blade the treated section.

The permit holder is responsible for marking the areas to be treated with signs or flags so that the areas to be prepared are clear to the grader operator. Signs and flags are available at the Scott County Engineer's Office, 500 W 4th St, Davenport or at the Secondary Road Maintenance Facility, 950 E Blackhawk Trail, Eldridge. The permit holders are asked to keep the signs or flags for use in future dust control seasons.

---

Dust Control Contractors:
List of approved contractors and the approved material they apply.

Contractor:	Pallative:
Binns & Stevens Explosives, Inc. P.O. Box 1005 Oskaloosa, Iowa 52577 (800) 451-1744 or (515) 672-2566 rmtruck@kdsi.net or bse@kdsi.net	Calcium Chloride
Eastern Iowa Propane 4540 Lincolnway Clinton Iowa 52732 (800) 397- 2921 jm@mwci.net	Glycerin
Ossian, Inc PO Box 635 Davenport, Iowa 52808 (800) 553-8011 (563) 324-3381 derek@ossian.com	Calcium Chloride
River Valley Coop P.O. Box 48 Dewitt, Iowa 52742 (563) 659-8179 http://www.rivervalleycoop.com rharmsen@rivervalleycoop.com	Lignosulfonate (Lignin or Tree Sap)