Methyl methacrylate (MMA) is leaking from a large storage tank in Garden Grove, California. MMA is used to produce shatter-resistant acrylic glass, paints, adhesives, resins, and plastics. Officials describe MMA as highly toxic and highly flammable, with potential to become explosive under certain conditions. Estimates indicate up to 7,000 gallons may have spilled. MMA exposure can occur through inhalation or direct contact. Short-term exposure can irritate skin, eyes, and the respiratory system, while higher concentrations can lead to severe effects, including hospitalization. MMA vapor is heavier than air and can settle near the ground, increasing risk to nearby areas. First responders are monitoring for a hazardous airborne plume, though its size and concentration are uncertain.
"The toxic chemical leaking from a large storage tank in Garden Grove, California is methyl methacrylate, or MMA - a highly hazardous substance that can pose significant health and safety risks depending on exposure, officials said. Methyl methacrylate is used to produce shatter-resistant acrylic glass, paints, adhesives, resins and plastics. Authorities describe it as both highly toxic and highly flammable, with the potential to become explosive under certain conditions."
"Orange County fire officials said the incident involves a large volume of the chemical, with estimates of up to 7,000 gallons spilling from the tank. The Orange County Fire Authority noted that incidents involving this type of chemical are rare, with limited case studies available to guide response efforts. "It's a respiratory irritant, so it can start off very mild, but it can progress to a point where, yes, you would probably require hospitalization, if not more," said Division Chief Nick Freeman of the Orange County Fire Authority."
"Health experts say exposure can occur through inhalation or direct contact. Short-term exposure may irritate the skin, eyes and respiratory system, while higher concentrations can cause more severe effects. "At very high levels, it can really cause severe respiratory distress and hospitalization, and this is where we really need everybody to heed all the evacuation orders," said Orange County Deputy Health Officer Dr. Regina Chinsio-Kwong."
"Officials emphasized that MMA vapor is heavier than air, meaning it can settle closer to the ground if released, increasing the risk in surrounding areas. First responders are also monitoring for the possibility of a hazardous airborne plume, though its size and concentration remain uncertain. "We don't know, we don't know in terms if there was a plume, how heavy of a plume and concentration of the substance would be in that plume," Chinsio-Kwong said."
#chemical-spill #methyl-methacrylate-mma #hazardous-materials-response #evacuation-and-public-health #respiratory-exposure
Read at ABC7 San Francisco
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