# TUCSON AIRPORT II
> **Judicial** · FY1989 · — · Final Order With Specified Cost Recovery
## Case
- **Activity ID:** `52155`
- **Case Number:** 09-1989-0002
- **Type:** Judicial
- **Lead:** EPA
- **Outcome:** Final Order With Specified Cost Recovery
- **Penalty assessed:** —
- **Cost recovery:** $175K
- **Compliance action $:** —
- **Multimedia (multi-env):** N
## Defendants
- BURR-BROWN RESEARCH CORPORATION (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 2 PRPS FOR THE EASTERNMOST PLUME IN AREA B.  BURR-BROWN      RESEARCH CORPORATION & WEST-CAP CORPORATION.                      GENERAL NOTICE LETTERS WERE SENT TO THESE PARTIES IN    AUGUST 1987.  WE SENT SPECIAL NOTICE LETTERS FOR THE RD/RA   ON JULY 11, 1988 AND RECEIVED A GOOD FAITH OFFER ON SEPTEMB- ER 8, 1988 FROM BURR_BROWN.                                       WE HAVE BEEN NEGOTIATING AN RD/RA CONSENT DECREE WITH   BURR-BROWN SINCE SEPTEMBER 2, 1988. MOST OF THE LEGAL &TECH  NICAL ISSUES HAVE BEEN NEGOTIATED.  THE 120-DAY NEGOTIATION  MORATORIUM WILL END ON NOVEMBER 8, 1988.  WE WILL REQUEST    A 30-DAY EXTENSION FROM THE REGIONAL ADMINISTRATOR TO ENABLE US TO CONTINUE NEGOTIATING UNTIL DECEMBER

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