May 4, 1994 The attached form indicates when service maintenance was performed on the fire equipment located in your area.

November 4, 1991 eu Dow U.S.A.

ABD00088808 Name: White Next test due: TSI MODEL 8015 PORTACOUNT FIT-TESTING SOFTWARE Version 2.01 S/N 927 VISTA POLYMERS FIT TEST REPORT Test date: Test time: Test subject last name: Test subject first name: ID number: Operator name: Next fit test due: Test agent: Test device: 10-13-1994 2:05:37 am White Willie 587016028 Walker Ambient particles TSI MODEL 8010 PORTACOUNT RESPIRATOR ID Size: Medium Model: Manufacturer: 3M Approval number: TC-21C-488 Additional notes: Additional notes: TEST DATA Pass/Fail level: 100 Test cycles

ABD00088818 Name: JACKSON Next test due: TSI MODEL 8015 PORTACOUNT FIT-TESTING SOFTWARE Version 2.01 S/N 927 VISTA POLYMERS FIT TEST REPORT Test date: Test time: Test subject last name: Test subject first name: ID number: Operator name: Next fit test due: Test agent: Test device: 10-01-1994 6:39:27 pm JACKSON ROBERT 428924010 STEWART Ambient particles TSI MODEL 8010 PORTACOUNT RESPIRATOR ID Size: Model: Manufacturer: Approval number: LARGE ULTRAVUE FACEPIECE 3M TC-21C-488 Additional notes: Additional notes: DATA Ex.

ABDOO105873 AGA GAS, INC. (216) 642-6600 6225 OAKTREE BOULEVARD P.O.

Vista Chemical Company ABD00109316 900 Threadneedle Houston, Texas 77079-2990 (713) 588-3000 P.O.

ABDOO109977 TO: OM HAZOP TEAM FROM: DATE: Interoffice Communication SUBJECT: J.B.

ABDOO110239 VISTA CHEMICAL COMPANY ABERDEEN PLANT SEPTEMBER 2, 1992 PROCESS HAZARD ANALYSIS FOR VCM TANK FARM COMPRESSOR UPGRADE PROJECT ABDOO110240 VCM TANK FARM COMPRESSOR UPGRADE PROCESS HAZARD ANALYSIS COMPLETION REPORT TABLE OF CONTENTS SUBJECT PAGE I.

ABDOO115851 Federal Register / Vol. 57, No. 36 / Monday, February 24, 1991 / Rules and Regulations 6405 (ti) The identification of any previous covered process consistent with the paragraph (f) of this section.

EPA -107 VCM Analysis Worksheet ABD00151921 \1 K:\lab workshcets\EPA-lQ7 VCM Analysis Worksheetl.doc Revised September 27, 1999 Page ABD00151922

EPA -107 VC M Analysis Worksheet 1 ABD00152395 nA K:\labworksheets\EPA-107VCM AnalysisW orksheetl.doc Revised September 27, 1999 Page Form: L A B 2035 Rev #: 9/27/99 Page ABDOO152396

ABDOO184931 To: J.

ABD00220092 VCH TANK FARM COMPRESSOR UPGRADE ABERDEEN PLANT CLASS "A" DESIGN JANUARY 09, 1992 WORK BY H.

ABD00238570 To: JEN Interoffice Communication From: Date: Subject: MGM April 28, 1992 02 Monitor Conclusions and Recommendations VISTA False alarms from the ambient air oxygen monitors in the inert gas generation room in P-1 has resulted in questionable safe work habits.

ABD00275808 6/22/90 AGREEMENT AGREEMENT, made this 3rd day of July, 1990, by and between EUROPEAN VINYLS CORPORATION (Holdings) B.V. a company organized under the law of the Netherlands with offices at Strawinskylaan 1041, 1077 XX Amsterdam, The Netherlands (hereinafter called "EVC") and Vista Chemical Company, a company organized under the laws of the State of Delaware, U.S.A., with an office and principal place of business at 900 Threadneedle, P.0.