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Amalgam separator
Also called: separator, amalgam collector
A filter that catches mercury-containing amalgam before it goes down the drain.
Old silver fillings contain mercury. When they are placed or drilled out, the particles go into the suction. Under an EPA rule that took effect in 2017 (existing offices had until July 14, 2020 to comply), most offices that place or remove amalgam must run a separator that removes at least 95% of the amalgam from wastewater. The full cartridge is recycled.
How to spot it
- A canister or box on the suction line, near the vacuum pump or inside the chair, often with a fill-level indicator.
What it is used for
- Inspect it as the manufacturer's manual directs and replace the cartridge on schedule or when full.
- If it breaks, it must be repaired or replaced within 10 business days.
Safety and care
- Do not clean lines with bleach, chlorine, iodine or peroxide cleaners with a pH below 6 or above 8.
- Handle cartridges with gloves and send them to an amalgam recycler, never the trash.
Related
Sources: EPA. Dental Effluent Guidelines, eCFR. 40 CFR 441.30 Pretreatment standards for existing sources (dental offices), ADA. Amalgam Separators and Waste Best Management Practices, Federal Register (EPA). Effluent Limitations Guidelines and Standards for the Dental Category (82 FR 27154, 2017-06-14; FR Doc 2017-12338)