HARVE^ PENNINGTON, HERTING & RENNEISEN, LTD.ATTORNEYS AT LAWELEVEN PENN CENTER

29TH FLOOR1835 MARKET STREET

PHILADELPHIA, PENNSYLVANIA 19103

(215) 563-4470

E. DYSON HERTING DAVID L. PENNINGTON *t G. WAYNE RENNEISEN TELECOPIER: (215) 568-1044GLENNC. EQUI BRUCE D. LOMBARDO DAVID J. GRIFFITH TELEX: 325324 (HPHR PHA)ELIZABETH McKENNA ROBERT D. THOMPSON * STEPHEN J. CABOT EASY LINK: 62033134WILLIAM G. ADAMSON • CHARLES M. WEISMAN JOEL D. GUSKY tROGERS. WOOD JOHN E: SMITH t WILLIAM F. KINKY, JR. TWENTY-FIRST FLOORSUSAN McLAUGHUN *f GEORGE A. AMACKER, Iir JAMES M. BROGAN 237 PARK AVENUEGARYC.CHIUMENTO' KATHERINE M. MEZZANOTTE LAWRENCE A. BORDA ">* NEW YORK, NEW YORK 10017ANDREW FYLYPOVYCH • HOWARD M. CYR, III * NEIL P. CLAIN, JR. * /212) 551-1416LORIA.KRADZINSKI* RICHARD J. DAVLES* ERNEST J. BERNABEI, III'° TELECOPIER- (212) 697-8486FREDERICK M. WALTON, JR. MARK A. LOCKETT * ROBERT T. CONNOR *JAMES F.LYNN JOHN D. LEMONICK CATHERINE PANCHOU COX NEW JERSEY OFFICEPHILIP J. ESPINOSA * BRIANRKIRBY* EDWARD A. JAEGER, JR.' PENNINGTON & THOMPSONDEBORAH P. NASON * CAROL J. TARGUM * A. CHRISTOPHER YOUNG* 135 WOODCREST ROADDANELLJ.PALLADINE* PATSY A. CAMPBELL WILLIAM S. STEIGER * rfWRRYHirr NFW IFRSFY 08001JOHNBECKER* TARAL.FLYNN* AMYJ. SANBORN fS, 7 n««MICHAEL A. McGINLY* DIANA ANDREACCHIO * O. DANIEL ANSA (ouy; 7y5-ua».iMELISSACBITTNER* MARCELLAJ. SCHELL* DONALD S. LODGE' TELECOPIER: (609) 795-4907EDWARD J.HOVATTER- STEPHEN A. SHEINEN * JOHN A. GALLAGHER" MANimCTURERS HANOVER PLAZAHELEN C.DODICK- 1201 MARKET STREET, SUITE 1703•ALSO MEMBER NEW JERSEY BAR *nn-> WILMINGTON, DELAWARE 19801"ALSO MEMBER DISTRICT OF COLUMBIA BAR AUCJUSt 20, 1992 (302)4280719•ALSO MEMBER ILLINOIS BAR TFtFrOPIFR. (W2) 428 0723t ALSO MEMBER NEW YORK BAR . TELECOPIER: (302)4-28-0723J ALSO MEMBER FLORIDA BAR§ ALSO MEMBER DELAWARE BAR

VIA CERTIFIED MAILRETURN RECEIPT REQUESTED

Ruth Rzepski (3HW21)Remedial Project ManagerU.S. EPA841 Chestnut StreetPhiladelphia, PA 19107

Re: Commodore Semiconductor/MOS SiteOur File No. 12,000-015_________

Dear Ms.'Rzepski:

The Alien-Bradley Company ("Alien-Bradley") submits thefollowing comments with regard to the Proposed Plan for theremediation of the Commodore Semiconductor/MOS Site in LowerProvidence Township, Pennsylvania ("Site"), in accordance withthe provisions set forth in the Comprehensive EnvironmentalResponse Compensation and Liability Act, 42 U.S.C. §§ 9616-17.

The Site has been operated by a division of CommodoreBusiness Machines, Inc. ("Commodore") since 1976, and Commodorehas owned the Site since April 1978. The Proposed Plan setsforth the close cooperation between Commodore, the PennsylvaniaDepartment of Environmental Resources ("PADER") and theEnvironmental Protection Agency ("EPA") since 1981 to reduce theconcentrations of trichloroethene ("TCE") at the Site and to testthe effectiveness of the measures taken. In July 1988 Commodore

AR3035U

Ruth Rzepski (3HW21)August 20, 1992Page 2

9

agreed to conduct a Remedial Investigation/Feasibility Study("RI/FS") at the Site.

The RI/FS, the product of .four years of intense and highlytechnical work, has recently been released for comment. Alien-Bradley, whose relationship to the Site was as lessor of theproperty to MOS/Commodore until early 1978, was not made aware ofthese proceedings and the long history from which they resulteduntil it received a general notice letter from the EPA datedFebruary 27, 1992, when completion of the RI/FS was imminent.

In view of Alien-Bradley's extremely late entry into theseproceedings, it is extraordinarily disadvantaged in assessing thetechnical merits of the EPA's Proposed Plan and in assessingwhether the hazards presently posed by contaminants on the Sitemerit the substantial investment of capital that the EPAcontemplates. Therefore, Alien-Bradley must rely upon thetechnical expertise and insights developed by Commodore in itsdecade of working to reduce the TCE levels on its property. Itis our understanding that Commodore will be submitting commentsupon the Proposed Plan, but Alien-Bradley has not had theopportunity to examine Commodore's comments. Alien-Bradleyreserves the right to incorporate by reference the comments uponthe Proposed Plan submitted by Commodore when those comments arefiled and become available for examination.

Allen-Bradly requests that any remedy selected by the EPAfor the Site be consistent with the National Contingency Plan, 55C.F.R. 8666 (1990).

One area of concern is apparent from our review of theProposed Plan. TCE and tetrachloroethene ("PCE") were discoveredon the property in soil tests taken in 1979. The Proposed Plandoes not reveal the discovery of any other contaminants at theSite. Groundwater tests, on the other hand, have disclosed thepresence of several other contaminants, includingbromodichloroethane, chloroform, dichloroethene andtrichloroethane, as well as members of the benzene group. Markedfluctuations in TCE levels in groundwater tests, which wereconducted after Commodore reportedly abandoned the use of TCE,suggest that additional sources of TCE contamination may existand will continue to contaminate the groundwater unless they aresought out and eliminated. The attached summaries of watertesting show examples of the fluctuations to which we refer.

38303515

Ruth Rzepski (3HW21)August 20, 1992Page 3

We object to commitment to a remediation plan, particularlyon the scale proposed, when other unidentified contaminantsources exist that will prove counterproductive to the efforts toreduce groundwater contaminant levels. The goal of reducingcontaminants to acceptable levels cannot be achieved if thecontaminants continue to be disgorged in to the groundwater.

Very truly yours,

BRUCE D. LOMBARDO

BDL/ct.cc: Merv Harris (3EDA21)

Anna Butch

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