Visfo Chemical Company 15990 N.

Interoffice Communication To VCM Plant Employees From J.

Mary Ann Chance (conoco) To Jiutribution Date November 4, 1980 The attached is for your information.

conoco Interoffice Communication To VCM Plant Employees From J.

To: Ken Cash Interoffice Communication From: Date: Subject: R.

(conoco; Interoffice Communication To Mike Hayes From M.

December 23, 1985 Ruth McQuade, Esquire Environmental Enforcement Section Land and Natural Resources Division U.S.

(conoco) Thom* J.

(conoco) Interoffice Communication c: To P.

M1SC0019 Revised 04-Oct-91 Printed 06-Oct-91 MATERIAL IDENTIFICATION Manufacturer/Distributor Phone Numbers Chemical Family CAS Number NFPA Ratings NPCA-HMIS Ratings WHMIS Classification Crude Oil Conoco Inc.

Cconoco) Interoffice Communication To From Ron Bryan - LC VCM J.

e, JrllV 0 7 Interoffice Communication gpUTE TO: COPIES TO: pIENE H^rfijNCTTT----------------To CORPORATE SAFETY AND INDUSTRIAL HY Prom Michele Malloy, Corporate Services - Houston Date January 6, 1983 Subject RESPIRATORY PROTECTION PROGRAM PROCEDURES GUIDE You have each received the final draft of the Respiratory Protection Program Procedures Guide.

LATHAM & WATKINS ATTORNEYS AT LAW 1001 .IN*VIVANIA AVCNUC, L W U<TI 1*00 WAShinOTQN, O.C.

Cconoco) Interoffice Communication >* ..........V.

* MEMORANDUM XSLLKI AM HlCtlUK TOt Peter L. de X* Crus MbFROM: Chuck Bradar DATBs February 5, 1986 REs Calculation of Potantial BPA in tha Diat from Vista's PVC Tha potantial amount of BPA in tha diat is calculated as follows using tha assumptions showns Assumptions Density of PVC Thickness of PVC Residual BPA Food volume/PVC surface area Amount of BPA migration Consumption factor for rigid and semi-rigid PVC 1.4g/cm3 (0.076 cm) 30 mils 185 ppm \ 10g/in2 5% 5.58 Amount of BPA/in2 of 30 mil PVC food contact surface; 1 in2 PVC, 30 mil thick * 6.45 cm2 x C.076 cm - 0.49 cm3 PVC 0.49 cm3 PVC x 1.4g PVC/cm3 0.686g PVC 0.686g PVC x 185 x 10~6g BPA/g PVC (PPM) - 127.6 x 10*6g BPA - 127.6 ppm BPA UEV-144524 T Patar L. da la Crus Pabruary 5, 1986 Pg Two If 5% of BPA alaratas to lOo food, tha concantratlon in food Is: 0,05 x 127.6 ppm 0.638 ppa EPA in food 10?