Fire fighting, foam system

There are several modern methods and devices for use by emergency response personnel or others involved with spill control efforts to safely apply spill control agents to control spilled material hazards. These include portable pressurized applicators similar to hand-held portable fire extinguishing devices, and nozzle and hose systems similar to portable fire fighting foam systems which allow the operator to apply the agent without having to come into contad with the spilled material. The operator is able to apply the agent to the spilled material from a remote position. 

Rockwood. [Rockwood Systems] Fire fighting foams and wetting liquids. 

Sulfotex. [Henkel/Emery/Co ha Henkel Canada] Sulfates m sulfosucci-nates wetting agent detmgent ertuilsi-fier, foamm , ttispersant hydrotrope, solubilizer for personal care prods., de-tei ent systems, carpet ba ng, fire fighting foams, polymerization, food processing, tmi es, inks. 

Uses Surfactant, wetting agent, coupling agent for shampoos, hand soaps, alkaline and acid cleaners, mech. foaming systems solubilizer for nonionics in alkaline formulations such as hard surf, cleaners, car/truckwash, and shampoos corrosion inhibitor in metalworking lubricants vise, builder fire fighting foams Trade Names Amphoteric N... 

The fluorinated surfactant-hydrocarbon surfactant mixtures have unique properties. In two-phase systems of water and a hydrocarbon solvent, the fluorinated surfactant reduces surface tension and the hydrocarbon surfactant decreases the interfacial tension. For example, an aqueous foam of mixed surfactants spreads on a hydrocarbon solvent because the fluorinated surfactant adsorbs preferentially at the air-water interface, whereas the hydrocarbon surfactant adsorbs at the water-oil interface (see Chapter 8, Fire-fighting Foams). 

Self contained dual agent systems, (foam/water and dry chemical), are provided for manual fire fighting efforts against three dimensional pressure leaks and large diameter pool fires. The design affords fast fire knockdown, extinguishment and sealant against re-flash. A skid... 

Some types of foam are not suitable for water miscible or polar solvent liquids. Special foams designed for fighting fires involving these materials are available. For more information on low-expansion foam systems refer to NFPA 11, Low-Expansion Foam Systems. For additional information on medium- and high-expansion foam systems, refer to NFPA 11 A, Medium- and High-Expan-sion Foam Systems. 

Any areas which have flammable liquids are equipped with a foam fire fighting system. The foam system is activated by fusible links or manually. The fire truck has a foam eductor system which can be used to extinguish flammable liquid, or Class II fires. The foam is educted out of five gallon buckets and mixed with the water stream in the eductor. 

Flammable Liquid, Poison SAFETY PROFILE Confirmed animal carcinogen. Poison by ingestion. Moderately toxic by inhalation and skin contact. Mutation data reported. A severe skin and eye irritant. Can cause central nervous system depression and pulmonary edema. A flammable Equid when exposed to heat or flame can react with oxidizing materials. To fight fire, use foam, CO2, dry chemical. 

SAFETY PROFILE Poison by intravenous route. Mildly toxic by inhalation. Human systemic effects by inhalation hallucinations. Narcotic in high concentrations. A volatile, flammable liquid when exposed to heat or flame. Can react vigorously with oxidizing materials. Moderately explosive when exposed to heat or flame. Violent reaction with phosphorus + chlorine. To fight fire, use foam, CO2, dr) chemical. When heated to decomposition it emits acrid smoke and fumes. 

SAFETY PROFILE A deadly human poison by skin contact and inhalation. (A small drop on the skin can kill a man.) A deadly experimental poison by ingestion, inhalation, skin contact, subcutaneous, intravenous, intramuscular, and intraperitoneal routes. Human systemic effects muscle weakness, bronchiolar constriction, nausea or vomiting, flaccid paralysis without anesthesia, miosis (pupOlar constriction), cholinesterase inhibition. A nerve gas used as a chemical warfare agent. To fight fire, use foam, CO2, drj chemical. When heated to decomposition or reacted with steam, it emits very toxic fumes of F and PO.. See also PARATHION. 

SAFETY PROFILE Poison by skin contact and intraperitoneal routes. Moderately toxic by ingestion and inhalation. An eye and severe skin irritant. Human systemic effects by inhalation structural or functional changes in trachea or bronchi. Flammable Kquid when exposed to heat, flame or oxidizers. To fight fire, use foam, alcohol foam, fog. When heated to decomposition it emits toxic fumes of NO. See also AMINES and ALLYL COMPOUNDS. 

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