General 



L-47P All spills or accidental discharges of oil field brine, or other 

 petrochemical substances of greater than ( quantity ) liters shall 

 be reported to the land manager within 24 hr. 



L-48P Containment and cleanup of an accidental spill shall be con- 

 ducted as soon as possible following its discovery, unless 

 otherwise specified by the land manager. 



Methods and techniques. 



L-49P In the control of spilled oil or oil-field substances, no 

 dispersants, en^ulsifiers, or other chemical agents shall be 

 used without first obtaining permission in writing from the 

 land manager as to the type or kind of chemical to be used and 

 the rate, time, and method of application. 



L-50P In the event of an accidental spill or discharge of oil, brine, 

 or any other petrochemical substance, the permittee shall exca- 

 vate and remove contaminated soils and replace such soils with 

 soils of the same type and horizon, unless otherwise specified 

 by the land manager. 



Restoration. 



L-51P Following the cleanup phase of a brine or oil spill, the per- 

 mittee shall, unless otherwise authorized by the land manager, 

 restore the affected area to its original preaccident or better 

 condition as specified by the land manager. Restoration mea- 

 sures shall include, but are not restricted to: reestablishment 

 of former surface contours, restoration of soil structure, fer- 

 tilization, revegetation with native flora, restoration of former 

 drainage patterns, and replacement of topsoils. 



Site Shutdown and Restoration 



Shutdown. 



L-52P In the event all or a portion of the facilities are removed from 

 the refuge as the result of the termination of operations or 

 for other reasons, the permittee shall completely remove all 

 poured concrete foundations and walls, asphalt surfaces, compacted 

 shell and concrete pads, or other impervious surfaces, unless 

 otherwise specified by the land manager. 



404 



