Applicability of Sales Tax
to Environmental Consultants and Contractors

Regulated Storage Tanks (RST) Division

Joe Hoover, Chief - (501) 682-0999

(Taken from Opinion No. 971027)


Labor Billed At Hourly Rates

  • Professional - Geologists, Engineers and Managers
  • Semi-professionals - Technicians
  • Clerical - prepare reports and reimbursement applications

The professional and clerical services for assessing and cleaning up contaminated facilities are not taxable services in Arkansas.

Laboratory Chemical Analysis - Billed As Per Test

Laboratory chemical tests are not taxable services in Arkansas.

Excavation Of Contaminated Soil, Breaking Concrete, Excavation, Backfill, Landfill Disposal Or Treatment Of Soils And Replacing Concrete

These services are taxable services.

Contaminated Liquid Disposal

This is not a taxable service.

Removal Of Tanks And Lines

  • As part of voluntary closure
  • As required by ADEQ

The removal of tanks and lines are not taxable services whether voluntary or required by ADEQ.

Pollution Remediation Equipment - Nonpermanent Equipment To Treat And Remove Contamination From Soil, Water And Air As Delivered On The Site

The purchase or lease of this equipment would be taxable. Any labor charges for the repair of this equipment would be taxable. Delivery charges to haul the equipment to the site would not be taxable if that is the only charge on the invoice. If the delivery charges are included in the sale or rental of the equipment, they would be considered part of the total gross receipts received for the sale or rental and would be taxable. All materials purchased would be subject to sales tax unless specifically exempted by law.