Investigation of Methodologies to Control Dust on County Roads in Western North Dakota

Francis Schwindt, Principle Investigator
2012-04-15
Industrial Commission of North Dakota

INTERIM REPORT

CONTRACT NO. G025-054

INVESTIGATION OF METHODOLOGIES TO CONTROL DUST ON COUNTY ROADS IN WESTERN NORTH DAKOTA

Dunn and Mckenzie Counties

Francis Schwindt – Principle Investigator

April 15, 2012

 Legal Notice/Disclaimer:

This report was prepared by Dunn and Mckenzie Counties pursuant to a contract partially funded by the Industrial Commission of North Dakota and neither Dunn and Mckenzie Counties nor any of their subcontractors nor the Industrial Commission of North Dakota nor any person acting on behalf of either:

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(A)    Make any warranty or representation, express or implied, with respect to the accuracy, completeness, or usefulness of information contained in this report, or that the use of any information, apparatus, method, or process disclosed in this report may not infringe privately- owned rights; or

(B)    Assumes any liabilities with respect to the use of, or for damages resulting from the use of, any information, apparatus, method or process disclosed in this report.

Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the Industrial Commission of North Dakota. The views and opinions of authors expressed herein do not necessarily state or reflect those of the Industrial Commission of North Dakota.

BACKGROUND

Due to the increased traffic volumes related to oil development in western North Dakota, dust along the many unpaved roads is causing many complaints to local road superintendents and County Commissioners.  Residents are concerned about poor visibility, damage to vegetation and adverse health effects. County road crews cannot adequately maintain all roads that are impacted as existing treatments can be short lived or require repeated applications. Cost for maintaining roads are increasing and the sources of good aggregate for road surfacing are becoming scarce or are often poorly distributed within each county.

This project proposes to evaluate and compare several different products and construction techniques. Magnesium chloride, flake calcium chloride, acrylic copolymers, synthetic organic oil, petroleum emulsions, crude oil and oil field brine will be used in road test strips of one half to one mile in length. Candidate roads for testing will be selected within Dunn and Mckenzie Counties by county personnel. Roads will be selected based on traffic volumes, road base materials and available aggregate quality.

Where suitable aggregate is not available, aggregate may need to be treated with clay binder to improve its quality.

CURRENT STATUS

An advisory committee was established and met in December to provide advice on project development and assist in the development of the evaluation criteria and review of the test segments.  The committee members are:

Sandy Clark – ND Farm Bureau                                                    

Scott Ressler – ND Stockmen’s Assoc.

Dan Wogsland – ND Grain Growers Assoc.                                      

Terry Kovacevich – Marathon Oil

Dale Enerson – ND Farmers Union                                             

Tom Desutter – NDSU Extension Service

Scott Radig – ND Department of Health                                                          

Darcy Rosendahl – ND Local Technical Assistance Program (LTAP)

Criteria to evaluate the effectiveness of the dust control products and techniques have been proposed and further work needs to be done to refine the evaluation criteria. County Personnel will be responsible for conducting the evaluations and recording their observations and recommendations.

Attached is a list of the products that were considered for evaluation. Most are commercial products but the list includes products from the oil field as well. The County Engineers and Road Superintendents met in January and reduced the list of products for further consideration to six to eight products to keep the test to a reasonable scope. Some products were not considered for further testing because of prior use, cost or the application process was too time consuming for normal operations. Counties were particularly concerned with the performance of soil stabilization products as they may impede future maintenance by breaking up in large chunks that do not disintegrate with normal maintenance of the road. Final decisions on products to test and test segment locations will be made in April and May.

In conjunction with the ND Department of Transportation Materials Testing Laboratory, several design mixes of crude oil and aggregate from both Dunn and Mckenzie Counties were tested and evaluated. Bakken, Red River and Tyler crude oil samples were provided by the Oil and Gas Division and aggregate from the Nupen and Knutson pits in Dunn County and Lass, Mckenzie North and Mckenzie South pits in Mckenzie County were provided by the Counties. A scoria sample from Dunn County was also provided. The results indicated that a 1% to 2% crude oil by weight mixed with the gravel aggregate controlled visible dust in the laboratory samples. In the scoria, a 3% to 4% crude oil by weight mix was required to achieve the same level of control. The Bakken crude oil was considered less desirable for use because it appears to contain more volatile fractions that quickly evaporate from the aggregate surface. Heavier crude, such as the Tyler, appeared to better coat the aggregate particles but needed to be mixed into the aggregate as it would not penetrate when surface applied.

The samples were then evaluated by the ND Department of Health Laboratory to determine the potential for runoff contamination. The samples were tested using a simulated leaching event and analyzed for diesel range organics. Results indicated that there was less than one milligram per liter of diesel range organics in all samples including the 4% crude oil mixed with the scoria. Field testing will be done this spring to verify the design mixes and application techniques and to check for potential runoff contamination.

Oil field brine water will be applied in mid April to a five mile section of Dunn County road north of Killdeer to evaluate application rates and techniques. Environmental samples will be collected and analyzed by the North Dakota Department of Health Laboratory to evaluate any environmental impacts from the use of this material. Results from the research may be used to modify the Department of Health’s guidelines for the use of oil field brines for dust and ice control.

FUTURE ACTIONS

Current plans are to begin application of the commercial dust control products in May or June. Initially, the Counties wanted to wait until June when the weather is more settled and the spring rush of road maintenance is completed. Because of the mild and dry weather, that schedule is being reevaluated to determine if the tests can begin in May. The crude oil and oil field brine tests will be conducted as soon as locations and materials can be arranged. Tests on the crude oil and oilfield brines may need to be repeated to refine the application techniques and improve the results.

EXPENDITURES

Because contracts were just recently signed, no expenditures have been reimbursed although some expenses have been incurred. It is expected the pace of expenditures will increase significantly over the next several months as the field testing begins.

Category

Product

Contact

Cost

Construction

Comments

 

Soil Stabilizer

 

Permazyme

 

Pacific Enzymes

 

 

1 gal/150 cubic yards

 

Tried in Williams Co

 

 

Maureen Clemmons

 

mixed into soil

Used in Bowman Co

 

 

818.414.2180

 

compacted in 6 inch lifts

 

Soil stabilizer

Base One

Team Laboratory

 

3-4 inch of base stabilized

Dunn Co Gap road was not good

 

 

Gary Syverson

 

.005gal/sq yd /inch

New Hradec road OK?

 

 

701.400.3700

 

compact in 1" lifts

Used in Bowman Co as top coat

 

 

Greg Holverson

 

has been used in Dunn

Harding Co SD

 

 

701.220.3796

 

 

 

Bio oil

Corn oil

Weber Works

$.14-.15/sq ft

Surface applied

Tried in Dunn - not very good

 

acrylic resins?

Devin Weber

$16,000/mile

 

 

 

 

701.302.0912

 

 

 

Petroleum

Coherex

Tricor Refining

$5000/mile

surface applied with

Old 10 from Dickinson to

emulsion with

resin and wetting

Rex Tottingham

 

distributor truck

Morton Co

resins

solution

701.320.2302

 

 

 

Enzyme

Super Road

Fred Coughlin LLC

$30,000/mile

applied in layers and

can be chip sealed

 

Bond - a green

702.521.1850

 

compacted to design

needs stable subgrade

 

enzyme

Las Vegas

 

depth

 

Synthetic

Top-Seal

Soils Control Int'l

 

can be surface applied or

spray application or

Polymer - road

 

Kurt Tompkins

 

deep stabilization

incorporated

stabilization

 

254.231.1262

 

 

 

Tall oil pitch

Freedom

Freedom Industries

$7.22/gal

Surface applied like a coat

Sprayed on

 

Binder 400

Ron Harvey

$0.20/sq ft

of paint

2-3 hrs before traffic resumes

 

 

907.841.4553

 

 

 

Stabilization

WISP

Roscoe Culvert

 

can be surface applied or

sprayed on

 

synthetic organic

Bob Ludwick

 

deep stabilization

no cure time

 

oil base

406.698.4305

 

 

 

 

Stabilization

 

Envirotac II

 

North Pacific

$.07-0.12/ft sq

 

 

sprayed on

 

acrylic copolymer

Realty Advisors

 

 

yearly fog recoat

 

 

Bill Krippaehne

 

 

 

 

 

206.384.8220

 

 

 

Tall oil pitch

Enssolutions

ILCO

 

surface applied

mine haul roads

 

Entac is Canadian

Don Kempf

 

 

 

 

version

701.471.9876

 

 

 

 

Water based

 

Dust less

 

Dirt Glue

$.85/ft sq with

 

applied to top 2-3"

 

just like asphalt

 

acrylic polymer

 

 

Kris Riedr

3

components

 

 

Standard road building

 

 

888.606.6108

 

 

equipment

Calcium Chloride

 

 

Tetra Chemicals

 

 

dry or liquid

 

liquid may be cheaper

 

 

John May

 

dry - $455/ton

 

 

 

314.293.0680

 

1.5 - 2 lb/yd2

 

Magnesium

 

 

 

 

most commonly used

chloride

 

 

 

 

 

Geotextiles

 

Brock White

 

 

 

 

 

Dan Larsen

 

 

 

 

 

651.967.1217

 

 

 

 

 

888.786.6426

 

 

 

Oil field waste

R3 Road Base

R360 Enviro.

 

Converts oil field wastes

 

 

 

Solutions

 

into road base materials

 

 

 

Manny Gonzalez

 

by cold mixing with

 

 

 

281.507.6119

 

asphalt

 

 

Crude oil

 

 

Bakken and Red

 

 

 

DOT will conduct materials

 

 

River

 

 

testing on aggregate

Oil field brine

 

 

 

need to identify

Health Dept working on policy

 

 

 

 

acceptable quality

Bowman Co liked when used

Skim oil

 

 

 

 

reclaimed oil from brine

 

 

 

 

 

disposal

Tank bottoms

 

 

 

variable quality

 

cement

road stabilization

 

 

mixed into the road base

Richland Co MT

 

 

 

 

seal coated

Bowman Co

soil stabilization

ECORoads

Terrafusion.com

 

mixed into the road base

72 hr curing time

 

enzyme

 

 

 

combines with fines in

base

 

hydroscopic

Soil2O

John Panaro

$4500/mile

surface applied by water

apply every 1 to 2 weeks

 

copolymer

 

American

Environmental

 

 

truck

 

 

 

Jupitor FL

 

 

 

 

 

561.627.7676

 

 

 

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