https://heavymetalcertified.com/standards/air-product-refill-materialsPublished revisions of this Heavy Metal Certified page.https://heavymetalcertified.com/standards/air-product-refill-materialshttps://heavymetalcertified.com/standards/air-product-refill-materials#revision-57c0e4a317756b46Mon, 21 Sep 2026 04:04:58 GMTThe Heavy Metal Tested & Certified heavy-metal-safety standard for replacement/refill materials for any dispensing system (oil refills, gel refills, spray refills) in Home Air and Inhalation-Adjacent Products, evaluated on as sold, micrograms of element per kilogram of the emitting material (the fragrance concentrate, wax, gel, botanical mass or refill charge that is aerosolised, evaporated or combusted), with component-level screening of the article's non-emitting parts; a content screen on the article and its refill, never an emission rate, a per-actuation dose or an indoor-air concentration. 4 of 11 panel analytes publish a numeric limit taken from the strictest applicable government maximum; the remainder are held under mandatory control or a substantiated not-material determination.