Related by context. Frequent words. (Click for all words.) 53 Firefighters doused 53 propane leak 52 depressurized 52 alkylation unit 51 faulty valve 50 faulty electrical wiring 50 flammable substances 50 incomplete combustion 50 uncontained engine failure 50 leak 50 blown transformer 49 gallon propane tank 49 gasoline vapors 49 electrical arcing 49 Hydrochloric acid 48 malfunction 48 sprayed foam 48 electrical malfunction 48 pipeline rupture 47 propane tank 47 fuel injector 47 corrosion 46 mechanical malfunction 46 hydrogen fluoride 46 Upon arrival firefighters 46 highly flammable liquid 46 Anhydrous ammonia 46 faulty wiring 46 unplanned shutdown 46 compressor 46 faulty heater 46 storage tanks 45 engine compartment 45 isomerization unit 45 overpressure 45 liquid propane 45 unattended candle 45 leaky valve 45 hazmat crews 45 leakage 45 bilge pump 44 spillage 44 sewage backups 44 propane 44 Tesoro refinery 44 vapor cloud 44 pressurization 44 valve stems 44 Hydrogen sulfide 44 kerosene heater 44 flammable substance 44 overfilling 44 transformer 44 Motiva Enterprises 44 oily residue 44 valve 43 hydrofluoric acid 43 coker unit 43 odorless colorless gas 43 acetylene 43 blown fuse 43 tritium leak 43 sewage overflow 43 propane cylinders 43 brake fluid 43 propane heater 43 chlorine leak 43 vapors 43 spokeswoman Diane Spitaliere 43 Discoverer Enterprise 43 ruptured 43 shutoff valve 43 Safety Bureau ATSB 43 carburetor 43 fluid catalytic cracker 43 propane tanks 43 highly combustible methane 43 Propane 43 seepage 43 inhaling fumes 43 Branch AAIB 43 Air Accidents Investigation 43 thinners 43 leaking 43 ignition 42 chemical vapors 42 malfunctioning 42 firefighters extinguished 42 eye irritation 42 naptha 42 fluid catalytic cracking 42 stove burner 42 propane tank exploded 42 Downed power 42 leaks 42 ammonia 42 mercaptan 42 outage 42 coolant 42 pressurisation 42 fumes