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

Interoffice Communication TO: FROM: DATE: SUBJ: Distribution T.

Visto Chemical Company 900 Threadneedle Houston, Texas 77079 (713) 586-3000 P.O.

TO: Distribution (Attendees) Interoffice Communication FROM: DATE: SUBJ: T.

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

Interoffice Communication TO: FROM: DATE: SUBJ: Distribution TGG: JCL: J*- RF T.

Comparison of Infrared Absorbances for Standard Samples Prepared From Sieved and Nonsieved Quartz Reference Materials U.S.

1992 CAII CONSOLIDATED AUDIT CEI REVIEW PRESENTATION DOCUMENTATION JULY 1992 EEPG CIRCLES DO A 046889 rONFTDFNT T AI THE CHEMICAL EXPOSURE INDEX IS A SIMPLE, EMPIRICAL AND RELATIVE METHOD TOR RATING THE TOXIC HAZARDS OF CHEMICALS IN A QUANTITATIVE MANNER. ** FOR INTERNAL DOW USE ONLY * * ***** DOW CONFIDENTIAL ****** DOW CONFIDENTIAL ****** DOW CONFIDENTIAL ***** DOW >NFIDENTIAL ****** DOW ;nf:dential OW CONFIDENTIAL ***** DISPERSION SUMMARY TOTAL DISCHARGED = 6795.20 LBS RELEASE DURATION - 15.00 MIN MOLECULAR WEIGHT = 71.00 EEPG CONCENTRATION = 3.0 pom SOURCE HEIGHT - 0.00 FT SPILL AREA ~ 1000.00 FT**2 SOURCE TEMPERATURE - -29.20 DEG F AMBIENT TEMPERATURE = 86.00 DEG F THE RELEASE IS A LIQUID SPILL THE RELEASE IS CONTINUOUS THE RADII OF EXPOSURE ARE BASED ON PEAK CONCENTRATIONS CONC (ppm) RADII OF EXPOSURE (miles) @ ground level - 3 plume centerline UNSTABLE 12. mph (20 %) * NEUTRAL 8 . mDh (40 %)* STABLE 4 . mph (40 %) 3.0 30.0 300.0 0.774 0.266 0.106 3.709 0.923 0.249 APPROXIMATE % OF TIME IN THIS WEATHER CONDITION 24.603 3.796 0.856 D0 A 04689C C.ONF T DFNT 1 Al STABLE ATMOSPHERIC CONDITION SLIGHT SOLAR RADIATION WITH LOW WIND SPEEDS (<10 mph) OR STRONG RADIATION WITH HIGH WIND SPEEDS {>10 mph).

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CERTIFIED MAIL RETURN RECEIPT REQUESTED The Dow Chemical Company P 0 Box 150 Piacuemine Louisiana 70765-0150 Building 3502-E August 10, 1995 EPCRA Reporting Center P.O.

FROM:UlSTA 1 TCT-S&T AR 28* 1991 l'-36PM 8S0B p.01 ABERDEEN VCM STATUS REPORT FOR MARCH 27, 1991 FROMt Amy Bagwell - Aberdeen CCi DCS, JDO, LDH, AEV FAX TO* Pat Hamilton Bill Hunnicutt Archie Fruge - Houston, SfcT - Houston, S*T - LC VCM Plant.

Ethanolamines/Glycol Ethers Tier 3 Procedure Section Number: 814 Issue Number: 1.5 Original Date: 11-11-91 Author: Terry P.

Ethanolamines/Glycol Ethers Tier Procedure Section Number: Issue Number: Original Date: Revision Date: Title: References: 803 1.3 12-23-91 Author: 12-29-95 Swapping Chlorinator On One Ton Cylinders Glossary Of Equipment Identification (Text #114) 803.

Ethanolamines/Glycol Ethers Tier 3 Procedure Section Number: Issue Number: Original Date: Revision Date: Title: References: 618 1.2 02-18-93 Author: Mike Viator 12-29-94 Infrared Identification Of N-Butanol Glossary Of Equipment Identification (Text#114) 618.