b'Incident Response Stepscontainment site. Fog misting must be used carefully to prevent incom-patible product/water mixing or the spread of product to other areas, as containment dikes may become overfilled.Product-compatible foam can be used to suppress vapors or for rescue situations, however, be extremely cautious if fuel discharge is not yet stopped.CAUTION Before using water spray or foam to control vapor emissions or suppress ignition, obtain technical advice based on chemical name iden-tification. Refer to the pipeline operator and DOT Emergency Response Guidebook.Leak Control In addition to hazards such as flammability, toxicity and oxygen deficiency, liquid pipeline leaks and ruptures can create major problems with spill con-finement and containment. What seems like a minor spill may evolve into a major spill as liquid inside the pipeline continues to drain out of the line. Ask yourself where the spill will be in a fewhours,howclosetheincidentisto exposuresorsensitiveareas,andwhat can be done to confine the spill or divert it away from exposures.Establishbarrierstopreventleaksfrom spreading to water sources, storm drains or other sensitive areas. There are several basic containment devices that can be used topreventthemigrationofpetroleum products on land or on small streams. mStorm sewer or manhole dam mSmall stream containment boom mPipe skimming underflow dam mWire fence or straw filter damIfaleakisaccidentallyignited,firefightingshouldfocusonlimitingthe spread of fire damage, but in NO circumstances should efforts be made to extinguish the fire until the source of supply has been cut off or controlled. Do not walk into or touch spilled material. Do not operate pipeline equipment. 27 2023 by Pipeline Association for Public Awareness'