About 50 gallons of water spilled right into a storm drain at GKN Aerospace in Backyard Grove, and testing is underway to see if the water contained any poisonous chemical compounds, Orange County well being officers mentioned Friday.
Particularly, officers are trying to find any hint of methyl methacrylate, or MMA. Roughly 7,000 gallons of that very same chemical have been in a tank on the facility that went into disaster in late Could, making a danger of explosion that pressured the evacuation of fifty,000 folks in parts of Backyard Grove, Stanton, Anaheim, Buena Park, Cypress and Westminster.
The menace subsided on Could 26 after officers confirmed that the tank had cracked and was not pressurized.
The water spill occurred throughout a routine effort to empty what the Orange County Well being Care Company known as an “onsite stormwater/condensation tank positioned in an space unrelated to the incident web site.”
“Because the stormwater was being transferred right into a 275-gallon tote for storage and evaluation earlier than disposal, as is typical, an overflow occurred and roughly 50 gallons of water flowed into the storm drain,” the company mentioned in a press release. “Applicable state and native notifications have been made, and a amount of the spill was collected throughout the cleanup effort.”
Officers mentioned they consider that “the potential for any hint quantities of MMA to be discovered within the stormwater is low.”
The Well being Care Company didn’t instantly reply questions Friday as as to whether among the water within the stormwater tank could have been sprayed on the crippled tank throughout the incident response over Memorial Day weekend.
Officers’ efforts to make use of sprinklers to chill the tank because it was heating up have been seen as very important to assist stop an explosion, consultants and authorities have mentioned.
The Well being Care Company additionally mentioned that the deliberate transfer of neutralized MMA from GKN Aerospace’s storage tanks didn’t occur on Thursday and Friday, and shall be rescheduled.
Officers had warned that when the neutralized chemical is transferred into sealed vehicles for transport and disposal, folks would possibly odor a “fruity or plastic-like odor.”
“The product has a really low odor threshold, that means folks could discover a scent even when concentrations are effectively beneath ranges related to well being issues,” well being officers mentioned.
The disaster at GKN Aerospace started Could 21, when the Orange County Hearth Authority responded to the crippled pressurized tank, which was heating up, in accordance with a report issued by state officers. The tank launched fumes for about 5 minutes, and air sensors to detect MMA within the space have been arrange the following day, officers mentioned. These sensors haven’t detected MMA within the air.
Based mostly on the out there knowledge, “there isn’t a danger to the general public from MMA publicity from this incident,” the California Division of Public Well being has mentioned. “No long-term well being results are anticipated in the neighborhood on account of this incident.”
