''HUtHALOGENATED SOLVENTS INDUSTRY ALLIANCE 1225 19th Street.

LOUISIANA DIVISION CONSOLIDATED AUDIT DATES: TIME: PLACE: Chlorine Plant July 29, 30, 31, 1991 7:30 a.m. - 4:00 p.m.

Building 3301W November 12,1992 Rick Thornhill Chlorine AUDIT OF CHLORINE'S FILES The audit of Chlorine's vessel and relief device files has been completed by MTS and Vessel Records.

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[Click here and type return addresa] The Dow Chemical Co May 21, 1997 Re: HAZOP Study for CA2 Chlorine Chemical Exposure Index (CEI) Scenarios A CEI calculation greater than 200 requires the consideration of a further risk assessment, normally a HAZOP, for the area defined in the CEI scenario.

July 19, 1994 HEAT STRESS POSTERS Information for ordering Heat Stress Posters: "Heat Stress May Cause Heat Illness" American Conference of Governmental Industrial Hygienists, Inc. 6500 Glenway Ave.

FROM: ABERDEEN VCM STATUS REPORT FOR JANUARY 11, 1990 Amy Bagwell - Aberdeen CC: DCS, PJK, KWB, LDH, AEV FAX TO: Bill Hunnicutt - Room 249B, S&T (Fax No.:713-588-3429) Rick Parker - Room 228, S&T (Same as Above) ********A**rc*h**ie**F**ru*g*e******-*L*C**V*C*M**P**la**n*t***********************(F**a*x**N*o*.*:3*18-494-5059) VCM TANK INVENTORY: Sphere: 3,455,317 Tanks: 152,560 VCM RAILCAR INVENTORY: TOTAL VCM INVENTORY: 3,607,877 2,309,075 5,916,952 VCM USAGE: 1,493,764 AVG USAGE: 1.320,000 MTD USAGE: 14,000,967 DAYS OF INVENTORY PLANT - 3.7 VCM CARS OFFLOADED*.

04-16-1993 06:56 I 3184914549 Chtmlciti is v TRAF P.01 qmd idMMV '"TSBHWBBWrTM" KCS 764965-6 UERBAL - PAT PG I OF PAGE I OF 1 04ll6lS3l 4/13/93 mto 00-027-3399 VISTA CHEMICAL COMPANY NEW HUY 25 ABERDEEN MS 39730 ware 00-029-9990 Uffcft IToC* <4 VISTA CHEMICAL COMPANY PURCHASING DEPARTMENT P O BOX 19029 HOUSTON TX 77224 WJMjM------------------- wr.

THE DOW CHEMICAL COMPANY ELECTRICAL TECHNOLOGY GLOBAL ADMINISTRATIVE GUIDELINE G7A-0099-04 14-JUN-1996 PAGE I OF 2 ELECTRICAL SAFETY AND RELIABILITY AUDIT CHECK LIST FOR MOTOR CONTROL CENTERS (MCC'S) MCC LOCATION I.D. #: MCc ?

THE DOW CHEMICAL COMPANY ELECTRICAL TECHNOLOGY GLOBAL ADMINISTRATIVE GUIDELINE G7A-0099-05 14-JUN-1996 PAGE 1 OF 1 ELECTRICAL SAFETY AND RELIABILITY AUDIT CHECK LIST FOR SWITCHGEAR SWITCHGEAR LOCATION I.D. #: *t P 14/0/A SWITCHGEAR EQUIPMENT I.D. #: SWITCHGEAR Yes No N/A Have protective relays been serviced according to the PPM schedule?

CHLOR - ALKALI 2 1994 REACTIVE CHEMICALS REVIEW CELL AREA DO A 046059 CONFIDENTIAL CELL AREA CHEMICAL REACTIONS TOTAL CEL1a 2 NaCl + 2 H2O +Current ------------------ > MAIN REACTIONS IN ANODE; 2 NaCl ------------------ > 2 Cl- ------------------ > MAIN REACTIONS IN CATHODE; 2 H2O + 2 e- ------------------ > 2 Na+ + 2 OH- ------------------ > CI2 + H2 + 2 NaOH 2 Cl" + 2 Na+ CI2 + 2e' H2 + 2 OH" 2 NaOH Dow Confidential DO A 046060 OONFTOFNTIAI 09/28/94 CELL AREA CHEMICAL REACTIONS SIDE REACTIONS IN ANODE; HCI + OHCl2 + OH' 2 HOC1 + OC13 Cl2 + 6 NaOH 2 ohCI2 + H2O HOC1 HOCI + OH- > h2 + Cl- > C1' + HOC1 > CI3" + C12 + h2 ---------------- > NaC103 + 5 NaCl + 3 H2O ---------------- > ------------------ > <---------------- 1/2 + H2O + 2 e" HOC1 + H+ + C1" > <------------------ H+ + OC1OC1' + H2 SIDE REACTIONS IN CATHODE; NaOCl > 2 oci- ------------------ > OC1' + H2O + 2 e- > Dow Confidential 1/2 2 + NaC1 O2 + CI2 + 2 e- C1" + 20H_ DO A 046061 OONFTDFNTTAl 09/28/94 CELL AREA CHEMICAL REACTIONS SODIUM BISULFITE ADDITION!

Chlorine Releases 1993-94 I I t DO A 0 4 A 5 7 7 CONFTDFNTTAl

INSURANCE PACKAGE: PAGE 27 Recommendations: 1.

CERTIFIED MAIL RETURN RECEIPT REQUESTED Building 3502-E September 15, 1995 The Dow Chemical Company P 0 Box '50 Plaquemne Lou-siana 70765-0150 EPCRA Reporting Center P.O.

Form Approved OMB Number 2070-0003 (IMPORTANT: Type or print; read instructions before completing form) Approval Expires; 11/02 Page 1 of 9 r TW FACILITY ID WUMBEB & EPA FORM r TOXIC CHEMICAL RELEASE INVENTORY REPORTING FORM 70765THDVCHI6HW United States "'ivironmantel Protection SaeSw 313 <d Is Enwgtncy Planning and Community Bight-to-Know Act o< 1996, Tsik Clialial.