Moss Landing Research Institute Receives State Emergency Permit to Stabilize Four Hazardous Chemicals

MOSS LANDING, Monterey County — October 28, 2026. California’s Department of Toxic Substances Control (DTSC) issued an emergency hazardous-waste permit for a limited chemical-stabilization operation at the Monterey Bay Aquarium Research Institute (MBARI) on 7700 Sandholdt Road. The state’s environmental filing was posted on October 21, 2026, under record 2026100749.

What does the permit authorize?

DTSC’s document lists four containers holding laboratory chemicals: a four-liter container of ethyl ether, a one-pint container of 1,4-dioxane, a one-liter container of ethylene glycol monomethyl ether and a one-liter container of acrylic acid. The agency says the material needs to be chemically stabilized through a controlled reaction before it can be stored and transported for approved treatment or disposal.

Why is an emergency permit involved?

The state describes the permit as a preventive safety measure intended to reduce the risk of a reaction, accidental fire or explosion during handling and transportation of hazardous materials. According to the filing, Clean Harbors Environmental Services is the contracted high-hazard service provider for the off-site movement and management of the stabilized waste.

Was there a chemical spill, fire or evacuation?

The DTSC notice does not announce a spill, explosion, injury, evacuation order or finding of off-site contamination. An emergency permit is a regulatory mechanism to address a hazardous condition with appropriate controls. It would be inaccurate to describe this notice as proof that a major incident has occurred or that a nearby community is currently under an emergency warning.

Does the permit show that disposal is finished?

No. It authorizes a specified controlled treatment activity and provides an environmental exemption rationale under California law. It does not independently establish the date chemical stabilization was performed, the date waste was transported or a final disposal receipt. Those details would require subsequent records from DTSC and the facility.

Where can people learn more?

The filing identifies DTSC hazardous-substances engineer Lung-Yin Tai, (916) 255-3615, and MBARI chemical safety officer Bill Ussler, (831) 775-1879, as contacts. Official source: California State Clearinghouse — DTSC Emergency Permit, October 21, 2026. This is separate from the earlier Moss Landing battery-facility emergency covered by California58; it concerns MBARI’s specified laboratory waste at a different facility.

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