CTA Report, Draft 1, ISP Review - US Chemical Safety and Hazard ...

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Figure 1. Simplified layout of CTA facility. Firewalls to the south segregated the production lines from raw materials storage. A firewall also segregated the southeast portion of line 405 from the maintenance shop. This configuration created a 5- to 8-foot-wide aisle between the firewall and the east side of line 405. Another firewall, which ran from south to north in the open area between lines 403 and 405, partially segregated these lines. There was no firewall on the west side of the production area. In late 2002, CTA removed firewalls on the north side of the production area that segregated that area from the finished goods storage area. The Kentucky Department of Housing, Buildings, and Construction (which became the Kentucky Office of Housing, Buildings, and Construction in 2004) approved removal of these firewalls. 20
Thirteen-foot-high freestanding enclosures, called “blend rooms,” covered processing equipment on the south end of four production lines. Figure 2 shows the location of the blend room in a side view of line 405. Blend room ceilings were constructed of metal panels with recessed fluorescent light fixtures. The areas between the roofs of the blend rooms and the plant roof were generally open on two or three sides. 21
Page 1 and 2: KEY ISSUES: U.S. CHEMICAL S AFETY A
Page 3 and 4: 5.1.2 Line 405 Oven Temperature Con
Page 5 and 6: 9.1 FM Global Guidelines...........
Page 7 and 8: Figures 1 Simplified Layout of CTA
Page 9 and 10: ACC American Chemistry Council Acro
Page 11 and 12: Executive Summary A February 20, 20
Page 13 and 14: 1.0 Introduction At approximately 7
Page 15 and 16: 2.0 Key Findings 1. Combustible phe
Page 17 and 18: 3.0 Facility Description 3.1 CTA Ac
Page 19: eams. Nonload-bearing masonry block
Page 23 and 24: 4.0 Process Description The product
Page 25 and 26: 4.1.2 Mat-former and Baghouse In th
Page 27 and 28: Circulating fans and dampers direct
Page 29 and 30: • Manually striking baghouse bags
Page 31 and 32: 5.0 Incident Description 5.1 Pre-In
Page 33 and 34: • The line was one week past due
Page 35 and 36: forklift with a semi-enclosed cab d
Page 37 and 38: panels and lights down inside the b
Page 39 and 40: occurred in the southeast corner of
Page 41 and 42: 5.3.3 Firefighting Activities 5.3.3
Page 43 and 44: 5.4 Incident Aftermath The CTA inci
Page 45 and 46: 6.0 Understanding Combustible Dust
Page 47 and 48: As depicted in Figure 11 (Eckhoff,
Page 49 and 50: Figure 12. Mechanism for a dust fir
Page 51 and 52: 7.0 Reconstructive Analysis To dete
Page 53 and 54: urned clean but otherwise intact an
Page 55 and 56: 7.1.2 Other Possible Initiating Eve
Page 57 and 58: Table 3 Borden Chemical Black Pheno
Page 59 and 60: 7.3 Line 405 Equipment Testing CSB
Page 61 and 62: determine if those products are haz
Page 63 and 64: that the phenolic resin could explo
Page 65 and 66: A 1998 internal Borden Chemical mem
Page 67 and 68: • Characterize new and existing p
Page 69 and 70: CTA that phenolic resins, when susp
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CTA department supervisors were res
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8.5 Work Practices 8.5.1 Production
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operating the oven with the doors o
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8.7 Incident Investigations The inc
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• Excessive accumulations of comb
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Data Sheet 6-9 also states: Clean o
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Table 5 Insurance Company Dust Issu
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standards (Appendix D). Kentucky OS
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10.2.2 Division of Building Codes E
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11.0 Combustible Dust Hazard Study
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4. The Borden Chemical product stew
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13.0 Recommendations CSB developed
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Kentucky Office of Occupational Saf
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BY THE U.S. Chemical Safety and Haz
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Lawson, Robert G., 1984. Beverly Hi
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APPENDIX A: Fire and Explosion Dama
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APPENDIX B: Laboratory Testing of P
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B.2 Minimum Explosible Concentratio
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B.4 Propagating Brush Discharge Ign
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Material Corona Charge Voltage (kV)
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APPENDIX C: Equipment Testing Line
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II controllers, only manufactured a
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Therefore, at any given time, it wa
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APPENDIX D: NFPA Guidelines In prom
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D.2 Other Pertinent NFPA Codes D.2.
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APPENDIX E: HMIS Rating System The
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APPENDIX F: Simplified Organization
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Subtree A Second dust explosion abo
Page 127:
Subtree C Most CTA personnel had a
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