# TUCSON AIRPORT I
> **Judicial** · FY1989 · — · Final Order With Specified Cost Recovery
## Case
- **Activity ID:** `52154`
- **Case Number:** 09-1989-0001
- **Type:** Judicial
- **Lead:** EPA
- **Outcome:** Final Order With Specified Cost Recovery
- **Penalty assessed:** —
- **Cost recovery:** $2.33M
- **Compliance action $:** —
- **Multimedia (multi-env):** N
## Defendants
- ARIZONA AIR NATIONAL GUARD (complaint) (settlement)
- HUGHES AIRCRAFT COMPANY (complaint) (settlement)
- MCDONNELL DOUGLAS CORPORATION (complaint) (settlement)
- TUCSON INT'L AIRPORT AUTHORITY (complaint) (settlement)
- TUCSON, AZ. CITY OF (complaint) (settlement)
- U.S. AIR FORCE (complaint) (settlement)
## Summary

THE TUCSON INTERNATIONAL AIRPORT AREA IS LOCATED IN     PIMA COUNTY, IN SOUTHEASTERN ARIZONA.  IT ENCOMPASSES SEC-   TIONS OF SOUTHWEST TUCSON, AS WELL AS ADJOINING LANDS        SOUTH OF THE CITY.                                                THE SITE WAS LISTED ON THE NPL ON SEPTEMBER 8, 1983.    THE SITE WAS LISTED ON THE NPL BECAUSE OF GROUNDWATER CON-   TAMINATION (PRIMARILY TCE).  THE ROD WAS SIGNED ON AUGUST    22, 1988.  OUR INFORMATION INDICATES THAT THERE ARE THREE    DISTINCT PLUMES OF CONTAMINATION IN THE AREA.  THE MAIN AREA OF CONTAMINATION HAS BEEN DENOMINATED AREA A. TWO SMALLER    PLUMES TO THE EAST OF THE MAIN PLUME HAVE BEEN DENOMINATED   AREA B.                                                           BASED ON THE REMEDIAL INVESTIGATION, WE HAVE IDENTIFIED 7 PRPS FOR AREA A:  U.S. AIR FORCE, HUGHES AIRCRAFT COMPANY, CITY OF TUCSON, TUCSON AIRPORT AUTHORITY, MCDONNELL DOUGLAS. GENERAL DYNAMICS AND THE ARIZONA AIR NATIONAL GUARD.              GENERAL NOTICE LETTERS WERE SENT TO THESE PARTIES IN    AUGUST AND SEPTEMBER 1987.  WE SENT SPECIAL NOTICE LETTERS   FOR THE RD/RA ON JULY 11, 1988 AND RECEIVED A JOINT GOOD     FAITH OFFER ON SEPTEMBER 8, 1988 FROM ALL OF THE ABOVE-      LISTED PARTIES EXCEPT GENERAL DYNAMICS.                           WE HAVE BEEN NEGOTIATING AND RD/RA CONSENT DECREE WITH  THE PRPS SINCE SEPTEMBER 20, 1988.  MANY LEGAL ISSUES RE-    MAIN UNRESOLVED AT THIS TIME.  THE 120-DAY NEGTIATION        MORATORIUM WILL END ON NOVEMBER 8, 1988. 

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