Document O3qYZoeDk4nM6k8n62JnMMopv

CEI2 : THE CHEMICAL EXPOSURE INDEX CALCULATION SYSTEM Reference: "Chemical Exposure Index Guide" - Second Edition, September-1993 Corporate Safety and Loss Prevention, The Dow Chemical Company Plant or Project Name: CA2 Location: PLAQUEMINE Plant Superintendent or Manager: GRETCHEN LEBLANC Site Review Representative: STEVE TEDESCHI Prepared By: STEVE TEDESCHI Date Prepared: 10/26/94________ Reviewed By: BUCK BAILEY Date Reviewed: 10/31/94 I. CASE DATA Case Number Release Scenario 1 Liquid Release Pipe/Vessel/Hose 2 Liquid Release Pipe/Vessel/Hose Chemical Name Release Scenario Description EMERGENCY RESPONSE PLANNING GUIDELINES (ERPG) VALUES Dow IHG (ppm) ACGIH TLV-TWA (ppm) STEL (ppm) ERPG-1 (ppm) ERPG-2 (ppm) ERPG-3 (ppm) PLANT DATA Total Quantity in Plant, (lb) Largest Single Containment, (lb) Pressure of Containment, (psig) DISTANCES TO (feet): 1. Public 2. Other in-company facility 3. Non-company plant or business PHYSICAL PROPERTIES Operating Temperature of Liquid, Ts (0F) Molecular Weight, MW Normal Boiling Point of Liquid, Tb (F) Vapor Pressure at Ts, Pvap (psia) Liquid Density at Ts, Rho (Ib/ft3) Heat Capacity, Cp (Btu/lb/F) Heat of Vaporization, Hv (Btu/lb) II, AIRBORNE QUANTITY ESTIMATION Liquid System Inventory, (gal) Chlorine Chlorine T-35 DEVELOPES 2" HOLE IN BOTTOM OF 1 AN*; 10 4" TRANSFER LINE (XS PIPESIZE) DEVELOPES 2" UIA. HOLE; NU - 1 3 20 300000 250000 6 675 375 1310 -10.0 70.9 -29.3 20.892 95.89 0.216 120.96 - 1 3 20 300000 55000 170 675 375 1310 -10.0 70.9 -29.3 20.892 95.89 0.216 120.96 19500 Prii it Date: W/47/94 HO A 04654R CONFTDFNTT Al 1. FROM A RELIEF DEVICE or OTHER Input Release Rate (Ib/min) 2. FROM A GAS RELEASE Gauge Pressure, Pg (psig) Diameter of Hole, D (in) 3. FROM A LIQUID RELEASE (PIPE/VESSEL, HOSE) Process Pipe/Vessel? or Hose? Diameter of Hole, D (in) Gauge Pressure, Pg (psig) Height of Liquid Above Release Point, sh (ft) Diked area (ft2) 4. FROM A LIQUID OVERFLOW/SPILL Filling or Unloading Rate (gpm) Diked area (ft2) CHEMICAL EXPOSURE INDEX Release Scenario Airborne Quantity, AQ (Ib/min) CEI Hazard Distance, HD-1 (feet) Hazard Distance, HD-2 (feet) Hazard Distance, HD-3 (feet) TcEI-2 System Ver-2.0 - 8/1/94] Pipe/Vessel 2.00 6.2 9,5 1150 Pipe/Vessel 2.00 160.0 30.0 0 Liquid Release Pipe/Vessel/Hose Liquid Release Pipe/Vessel/Hose 943.5 593 32800 19466 7539 1471.5 741 32800 24310 9415 DO A 04 6-cj4W CONFTOFNTTAi Print Date: 10/27/94 CEI2 - INTERMEDIATE SUPPORTING CALCULATIONS Plant or Project Name CA2 Location PLAQUEMINE Prepared By STEVE TEDESCHI Date Prepared 10/26/94 Case Number Release Scenario 1. RELIEF DEVICE or OTHER CALCS. Input Release Rate (Ib/min) Time to Deplete System Inventory, (min) Airborne Quantity for CEI, AQr (Ib/min) 2. GAS RELEASE CALCS. Calculated Release Rate, (Ib/min) Time to Deplete System Inventory, (min) Airborne Quantity for CEI, AQg (Ib/min) 3. LIQUID RELEASE CALCS. (PIPE/VESSEL, HOSE) Step 1: Liquid Flow Rate Released Calculated Diameter to Use, Dcalc (in) Calculated Liquid Release Rate, Lcalc (Ib/min) Time to Deplete System Inventory, (min) Liquid Release Rate to Use, L (Ib/min) Step 2: Total Liquid Released Calculated Total Liquid Release, WTcalc (lb) System Inventory, Wlnvt (lb) Total Liquid Release, WT (lb) Step 3: Fraction Flashed Fraction Flashed, Fv Calculated Flash Rate, AQfcalc (Ib/min) Time to Deplete System Inventory, (min) Airborne Quantity by Flash to Use, AQf (Ib/min) Step 4: Liquid Pool Size Mass of Liquid Entering Pool, Wp (lb) Calculated Liquid Pool Area, Ap calc (ft2) Liquid Pool Area, Ap (ft2) Step 5: Evaporation from Pool Surface Molecular Weight, MW Characteristic Pool Temperature, T (F) Vapor Pressure at Ts, Pvap (psia) Vapor Pressure at T, Pvap (psia) Evaporation from Pool Surface, AQp (Ib/min) Step 6: Total Airborne Quantity Calculated Airborne Rate, AQIcalc (Ib/min) 1 Liquid Release Pipe/Vessel/Hose 2 Liquid Release Pipe/Vessel/Hose - ,* - - - - 2.00 3716.4 67.3 3716.4 2.00 14087.1 0.5 1471.5 55746.1 249950.5 55746.1 211307.1 7357.5 7357.5 0.035 641.5 389.6 641.5 0.035 1471.5 5.0 1471.5 46123.6 14670 1150 6087.5 1936 1936 70.9 -29.3 20.892 14.700 302.0 70.9 -29.3 20.892 14.700 495.4 943.5 1471.5 Print Date: 10/27/94 DO A 046550 CONFTDFNTTAL Time to Deplete System Inventory, (min) Airborne Quantity for CEI, AQI (Ib/min) 4. LIQUID OVERFLOW/SPILL CALCS. Step 1: Liquid Flow Rate Released Calculated Liquid Release Rate, Lcalc (Ib/min) Time to Deplete System Inventory, (min) Liquid Release Rate to Use, L (Ib/min) Step 2: Total Liquid Released Calculated Total Liquid Release, WTcalc (lb) System Inventory, Wlnvt (lb) Total Liquid Release, WT (lb) Step 3: Fraction Flashed Fraction Flashed, Fv Calculated Flash Rate, AQfcalc (Ib/min) Time to Deplete System Inventory, (min) Airborne Quantity by Flash to Use, AQf (Ib/min) Step 4: Liquid Pool Size Mass of Liquid Entering Pool, Wp (lb) Calculated Liquid Pool Area, Ap calc (ft2) Liquid Pool Area, Ap (ft2) Step 5: Evaporation from Pool Surface Molecular Weight, MW Characteristic Pool Temperature, T (F) Vapor Pressure at Ts, Pvap (psia) Vapor Pressure at T, Pvap (psia) Evaporation from Pool Surface, AQp (Ib/min) Step 6: Total Airborne Quantity Calculated Airborne Rate, AQoscalc (Ib/min) Time to Deplete System Inventory, (min) Airborne Quantity for CEI, AQos (Ib/min) [CEI-2 System Ver-2.0 8/1/94] 264.9 943.5 * - - - - - 5.0 1471.5 - - - - - - DC A 04^551 confident tai Print Date: 10/27/94 CEI2 : THE CHEMICAL EXPOSURE INDEX CALCULATION Reference: "Chemical Exposure Index Guide" - Second Edi Corporate Safety and Loss Prevention, The Dow Chemical Work File Name CA294.XLS Plant or Project Name: CA2 ____________ Location: PLAQUEMINE Plant Superintendent or Manager: GRETCHEN LEBLAN Site Review Representative: STEVE TEDESCHI I. CASE DATA Case Number Release Scenario 3 Relief Device Chemical Name Release Scenario Description EMERGENCY RESPONSE PLANNING GUIDELINES (ERPG) VALUES Dow IHG (ppm) ACGIH TLV-TWA (ppm) STEL (ppm) ERPG-1 (ppm) ERPG-2 (ppm) ERPG-3 (ppm) PLANT DATA Total Quantity in Plant, (lb) Largest Single Containment, (lb) Pressure of Containment, (psig) DISTANCES TO (feet): 1. Public 2. Other in-company facility 3. Non-company plant or business PHYSICAL PROPERTIES Operating Temperature of Liquid, Ts (F) Molecular Weight, MW Normal Boiling Point of Liquid, Tb (F) Vapor Pressure at Ts, Pvap (psia) Liquid Density at Ts, Rho (Ib/ft3) Heat Capacity, Cp (Btu/lb/F) Heat of Vaporization, Hv (Btu/lb) II. AIRBORNE QUANTITY ESTIMATION Liquid System Inventory, (gal) Chlorine C-201A DEVELOPES A DISCHARGE LINE _(T0") LtAK lb" 1 _3_ 20 300000 8500 67 675 375 1310 170.0 70.9 -29.3 358.263 76.47 0.256 85.51 DO A 04655? OONFTDFNTTAl 1000 Print Date: 10/27/94 1. FROM A RELIEF DEVICE or OTHER Input Release Rate (Ib/min) 2. FROM A GAS RELEASE Gauge Pressure, Pg (psig) Diameter of Hole, D (in) 3. FROM A LIQUID RELEASE (PIPE/VESSEL, HOSE) Process Pipe/Vessel? or Hose? Diameter of Hole, D (in) Gauge Pressure, Pg (psig) Height of Liquid Above Release Point, Jh (ft) Diked area (ft2) 4. FROM A LIQUID OVERFLOW/SPILL Filling or Unloading Rate (gpm) Diked area (ft2) CHEMICAL EXPOSURE INDEX Release Scenario Airborne Quantity, AQ (Ib/min) CEI Hazard Distance, HD-1 (feet) Hazard Distance, HD-2 (feet) Hazard Distance, HD-3 (feet) [CEI-2 System Ver-2.0 - 8/1/94] 1700.0 Relief Device 1700.0 797 32800 26129 10120 DO A 046S53 OONF T DFNT T Ai Print Date: 10/27/94 CEI2 - INTERMEDIATE SUPPORTING CALCULATIONS Plant or Project Name: CA2 Location: PLAQUEMINE Prepared By: STEVE TEDESCHI Date Prepared: 10/26/94 Case Number Release Scenario 3 Relief Device 1. RELIEF DEVICE or OTHER CALCS. Input Release Rate (Ib/min) Time to Deplete System Inventory, (min) Airborne Quantity for CEI, AQr (Ib/min) 2. GAS RELEASE CALCS. Calculated Release Rate, (Ib/min) Time to Deplete System Inventory, (min) Airborne Quantity for CEI, AQg (Ib/min) 3. LIQUID RELEASE CALCS. (PIPE/VESSEL, HOSE) Step 1: Liquid Flow Rate Released Calculated Diameter to Use, Dcalc (in) Calculated Liquid Release Rate, Lcalc (Ib/min) Time to Deplete System Inventory, (min) Liquid Release Rate to Use, L (Ib/min) Step 2: Total Liquid Released Calculated Total Liquid Release, WTcalc (lb) System Inventory, Wlnvt (lb) Total Liquid Release, WT (lb) Step 3: Fraction Flashed Fraction Flashed, Fv Calculated Flash Rate, AQfcalc (Ib/min) Time to Deplete System Inventory, (min) Airborne Quantity by Flash to Use, AQf (Ib/min) Step 4: Liquid Pool Size Mass of Liquid Entering Pool, Wp (lb) Calculated Liquid Pool Area, Ap calc (ft2) Liquid Pool Area, Ap (ft2) Step 5: Evaporation from Pool Surface Molecular Weight, MW Characteristic Pool Temperature, T (F) Vapor Pressure at Ts, Pvap (psia) Vapor Pressure at T, Pvap (psia) , Evaporation from Pool Surface, AQp (Ib/min) Step 6: Total Airborne Quantity Calculated Airborne Rate, AQIcalc (Ib/min) 1700.0 6.0 1700.0 - - - - - - - - - - - - 00 A 046554 C.ONFTDFNTT AL Print Date: 10/27/94 Time to Deplete System Inventory, (min) Airborne Quantity for CEI, AQI (Ib/min) 4. LIQUID OVERFLOW/SPILL CALCS. Step 1: Liquid Flow Rate Released Calculated Liquid Release Rate, Lcalc (Ib/min) Time to Deplete System Inventory, (min) Liquid Release Rate to Use, L (Ib/min) Step 2: Total Liquid Released Calculated Total Liquid Release, WTcalc (lb) System Inventory, Wlnvt (lb) Total Liquid Release, WT (lb) Step 3: Fraction Flashed Fraction Flashed, Fv Calculated Flash Rate, AQfcalc (Ib/min) Time to Deplete System Inventory, (min) Airborne Quantity by Flash to Use, AQf (Ib/min) Step 4: Liquid Pool Size Mass of Liquid Entering Pool, Wp (lb) Calculated Liquid Pool Area, Ap calc (ft2) Liquid Pool Area, Ap (ft2) Step 5: Evaporation from Pool Surface Molecular Weight, MW Characteristic Pool Temperature, T (F) Vapor Pressure at Ts, Pvap (psia) Vapor Pressure at T, Pvap (psia) Evaporation from Pool Surface, AQp (Ib/min) Step 6: Total Airborne Quantity Calculated Airborne Rate, AQoscalc (Ib/min) Time to Deplete System Inventory, (min) Airborne Quantity for CEI, AQos (Ib/min) [CEI-2 System Ver-2.0 - 8/1/94] * - - - - - - - DO A 046555 OONFTDFNTTAl Print Date: 10/27/94