Tractor-trailer collision – 1 carrying 92% sulfuric acid, 1 carrying unpressurized aerosol cans. Contaminated section of highway, adjacent soil and ditch.
- Decontamination: Applied a soda ash/water solution to tanker and granular soda ash to pavement, then rinsed with high-pressure water while simultaneously collecting rinse water with vac-truck. Utilized a skid steer to collect aerosol cans, those suspect of contamination were staged offsite for waste characterization.
- Remediation: Excavated contaminated soil into segregated piles. Mixed aggregate lime with contaminated soil and ditch water to neutralize the pH. Combined contaminated water with sawdust, excavated solid waste.
- Site restoration: Replaced all contaminated soil with clean topsoil.
- Waste disposal: Total of 251 tons of neutralized soil and 450 gallons of liquid waste were removed from site and disposed at licensed waste disposal facility.