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Across 1. Slime-producing bacterial communities that may also harbor fungi, algae, and Protozoa. 3. Use of membrane filters to trap microorganisms suspended in water. 4. Bacteria that use organic carbon as a source of nutrients. 7. Comprehensive list of every product used in the office that contains chemicals. 8. Small-bite tubing usually made of plastic, use to deliver dental treatment water through dental unit. 9. Items such as gloves and patient napkins that may contain the potentially infectious body fluids of patients 11. Infectious waste that requires special handling, neutralization, and disposal. 12. High levels of exposure over a short period of time. 13. Describes bacteria that are freely floating in water. 14. Waste that poses a risk to humans or to the environment. 15. Genus of bacteria responsible for the disease legionellosis 16. Repeated exposures, generally to lower levels, over long periods of time.

Down 2. Form that provides health and safety information regarding materials that contain chemicals 5. Having an immune system that is weakened. 6. Waste that is capable of transmitting an infectious disease. 10. Waste that can have a poisonous effect.