Addendum: chromium in incinerator ash.
D002857:Chromium / Q000506:poisoning*; D006801:Humans; D008284:Maintenance and Engineering, Hospital; D008506:Medical Waste; D016273:Occupational Exposure; D012037:Refuse Disposal / Q000379:methods*; D014481:United States
D008506:Medical Waste; D002857:Chromium