Apply Petra-Zyme at the rates specified below while maintaining a 20% moisture content in the soil every 7 days for 14-21 days. For best results mix Petra-Zyme into the soil and allow ample oxygenation to the soil with dissolved oxygen rates greater than 5.5.
|TPH <1,000||TPH 1,000-5,000||TPH 5,000-10,000||Crude Oil|
|4% Petra-Zyme||5% Petra-Zyme||6% Petra-Zyme||12% Petra-Zyme|
For diesel and crude oil remediation allow 4-5 weeks for remediation.
NOTE: Petra-Zyme must be used at temperatures greater than 60 degrees Fahrenheit.