Common Contaminants

  • Ceramic cups, plates and pottery
  • Clay garden pots
  • Laboratory glass
  • Crystal and opaque drinking glasses
  • Mirrors Windshields and window glasses
  • Heat-resistant ovenware (for example, Pyrex or Visionware)
  • Light bulbs

Other Contaminants:

  • Ceramic and wire caps for beer bottles
  • Lead collars from wine and champagne bottles
  • Stones and dirt Metal caps, lids and neck rings
  • Drinking glasses
  • Hazardous glass containers (for example, acid containers)


Glass Facts »

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