CE 499 Hazardous (and Universal) Waste Management

Oral healthcare practitioners registered with the DEA may destroy unused controlled substances in accordance with state guidelines, which require appropriate documentation. A. True B. False

A. True

Unwanted leaded aprons and collars must be treated as hazardous waste - have an approved hazardous waste transporter deliver unwanted leaded safety devices to an approved hazardous waste management facility for recycling or disposal. A. True B. False

A. True

All of the following statements about hazardous waste management are correct EXCEPT which one? A. Under the RCRA, hazardous waste generators are the first link in the cradle-to-grave hazardous waste management system. B. Although various types of facilities generate different quantities of hazardous waste, the regulatory requirements for all hazardous waste generators are the same. C. CESQGs generate ≤100 kg of hazardous waste per calendar month or ≤1 kg of acutely hazardous waste per calendar month. D. CESQGs may not accumulate and store more than 1,000 kg of hazardous waste.

B. Although various types of facilities generate different quantities of hazardous waste, the regulatory requirements for all hazardous waste generators are the same.

All of the following statements about listed wastes are correct EXCEPT which one? A. With the possible exception of non-halogenated solvents such as acetone or xylene, F-listed wastes are not likely to be found in oral healthcare facilities. B. K-listed wastes are considered source-specific wastes and are the most common listed wastes likely to be found in oral healthcare facilities. C. Examples of P-listed chemicals found in oral healthcare facilities include epinephrine (P042 [H]) and nitroglycerin (P081 [H and R]). D. Examples of U-listed chemicals that may be found in oral healthcare facilities include formaldehyde (U122 [T]) and phenol (U188 [T]).

B. K-listed wastes are considered source-specific wastes and are the most common listed wastes likely to be found in oral healthcare facilities.

All of the following types of wastes are covered under universal waste regulations EXCEPT which one? A. Waste batteries B. Pesticides C. Mercury-containing scrap amalgam D. Fluorescent lamps

C. Mercury-containing scrap amalgam

All of the following statements about characteristic wastes are correct EXCEPT which one? A. Examples of ignitable wastes (D001) that may be found in oral healthcare facilities include alcohol and silver nitrate. B. Examples of corrosive wastes (D002) that may be found in oral healthcare facilities include acetic acid and sodium hydroxide. C. Reactive wastes (D003) leaching into groundwater drinking supplies from wastes disposed of in landfills is one of the most common ways the general population can be exposed to hazardous chemicals. D. Some toxic wastes generated in oral healthcare facilities may contain lead (D008), mercury (D009), and silver (D011).

C. Reactive wastes (D003) leaching into groundwater drinking supplies from wastes disposed of in landfills is one of the most common ways the general population can be exposed to hazardous chemicals.

Best management practices for the disposal of mercury-containing scrap amalgam include _______________. A. stocking pre-capsulated amalgam alloys in a variety of sizes to minimize the amount of hazardous mercury-containing amalgam waste generated B. collecting and storing used disposable amalgam capsules in a wide-mouthed, airtight container labeled "Hazardous Waste - Amalgam Capsules" C. using chairside disposable or reusable traps, vacuum pump filters, or an ISO 11143-compliant amalgam separator to capture amalgam particles generated when removing old or carving new amalgam restorations D. All of the above are correct.

D. All of the above are correct.

Which of the following statements identify correctly the agency responsible for developing and enforcing rules for medical waste management, hazard communication, and hazardous waste management? A. The federal OSHA and its counterpart state agencies are responsible for developing and enforcing rules for regulated medical waste management. B. The federal OSHA and its counterpart state agencies are responsible for developing and enforcing rules for hazardous communication compliance. C. The federal EPA and its counterpart state agencies are responsible for developing and enforcing rules for hazardous wastes management. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements reflect best management practices for the disposal of spent x-ray developer solution? A. Discharge spent developer solution into the sanitary sewer system if the pH is within approved limits of state and local jurisdictions. B. If the pH is not within regulatory limits or the oral healthcare facility is on a septic system, collect and store spent developer solution in a container labeled "Hazardous Waste - Used Developer." C. Once the container labeled "Hazardous Waste - Used Developer" is full, have an approved hazardous waste transporter deliver it to an approved hazardous waste management facility. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements reflect best management practices for the disposal of spent x-ray fixer solution? A. Use a CRC to capture silver from the spent fixer solution and collect the silver-iron residue in a container labeled "Hazardous Waste - Silver Residue." B. Have an approved hazardous waste transporter deliver the full "Hazardous Waste - Silver Residue" container to an approved hazardous waste management facility. C. Dilute the de-silvered fixer solution with water and disposing it into a sanitary sewer or septic system. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements related to hazardous wastes management in oral healthcare settings is correct? A. Under federal regulations nearly all oral healthcare facilities fall under the CESQG category. B. Some states do not recognize the EPA's CESQG category and in those states dental offices are regulated as SQGs. C. Some states have a CESQG category, but require that CESQGs follow SQG requirements related to the tracking of and accountability for the waste. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements related to solid waste is correct? A. Most solid waste generated in oral healthcare settings is non-hazardous solid waste, a subset of municipal solid waste. B. A small percentage of solid waste generated in oral healthcare settings is hazardous solid waste derived from hazardous material. C. Hazardous material may be biological, chemical, radiological, or physical agents used or generated in the workplace. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements related to the management of non-hazardous and hazardous solid wastes is correct? A. The Resource Conservation and Recovery Act (RCRA) of 1976, an amendment to the Solid Waste Disposal Act provides general guidelines for the management of non-hazardous and hazardous solid wastes. B. The RCRA gives the federal Environmental Protection Agency (EPA) the authority to develop explicit, legally enforceable requirements for waste management. C. The EPA promulgates guidance documents and policy directives to clarify issues related to the implementation of the RCRA. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements related to waste is correct? A. The EPA defines any garbage, refuse, sludge, and other discarded material resulting from industrial, commercial, mining, agricultural, healthcare, and community activities as solid waste. B. The definition of solid waste does not imply that the waste is physically solid, it may be a semi-solid (or semi-liquid), liquid, or contained gaseous material. C. By definition, discarded material is any solid waste that is inherently waste-like, recycled, or abandoned. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements represent best management practices for the disposal of chemical disinfectants and sterilants? A. Ensure office personnel have read the SDS for all chemicals (including the SDS for chemical disinfectants and sterilants) used in the oral healthcare facility and are trained to handle hazardous chemicals. B. Rinse empty disinfectant and sterilant containers with water, remove or deface labels to indicate the container no longer contains hazardous chemicals, and discard as non-hazardous office waste. C. Replace chemiclaves with autoclaves to avoid the use of formaldehyde. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements represent best management practices for the disposal of lead foil in radiographic film packets? A. Lead foil must be treated as hazardous waste. B. Collect and store lead foils in a wide-mouthed, airtight container labeled "Hazardous Waste - Lead Foil." C. Once the container labeled "Hazardous Waste - Lead Foil" is full, have an approved hazardous waste transporter deliver it to an approved hazardous waste management facility for recycling or disposal. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements represent best management practices for the disposal of pharmaceutical agents? A. In general, the disposal of expired and other drugs is regulated by the federal EPA and/or its counterpart state agencies if the sole active ingredient in the formulation is a listed hazardous waste. B. In general, the disposal of expired and other drugs is regulated by the federal EPA and/or its counterpart state agencies if the formulation contains some ingredient considered to be a characteristic hazardous waste. C. Disposal of controlled substances is regulated by the U.S. Drug Enforcement Administration (DEA). D. All of the above are correct.

D. All of the above are correct.

Which of the following statements represent best management practices for the disposal of radiographic film? A. Collect and store unused (undeveloped) film in a wide-mouthed, airtight container labeled "Hazardous Waste - Unused X-ray Film." B. Once the container labeled "Hazardous Waste - Unused X-ray Film" is full, have an approved hazardous waste transporter deliver it to an approved hazardous waste management facility. C. Developed radiographic films have little residual silver and may be disposed of as non-hazardous office waste for recycling or disposal. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements with respect to EPA-registered intermediate-level hospital disinfectants and FDA-registered sterilants/high-level disinfectants is correct? A. EPA-registered intermediate-level hospital disinfectants include chlorine-containing products, quaternary ammonium compounds with alcohol, phenolics, and iodophors. B. FDA-registered sterilants/high-level disinfectants include glutaraldehyde, glutaraldehyde with phenol, hydrogen peroxide, and hydrogen peroxide with peracetic acid. C. Information to determine if a chemical (including disinfectant and sterilant) is hazardous can be obtained from the Safety Data Sheet (SDS) provided by the supplier of the product. D. All of the above are correct.

D. All of the above are correct.

All of the following statements are corrects with respect to solid wastes EXCEPT which one? A. Hazardous waste management begins with a determination whether the material to be discarded is a solid waste. B. A solid waste is subject to EPA regulations if it is a listed or a characteristic waste. C. Hazard codes I (ignitable), C (corrosive), R (reactive), and E (toxicity characteristic waste) reflect typical hazardous properties of specific listed solid wastes. D. Characteristic hazardous wastes with measurable "characteristic" properties such as ignitability, corrosivity, reactivity, or toxicity are listed on the EPA's F, K, P, or U lists.

D. Characteristic hazardous wastes with measurable "characteristic" properties such as ignitability, corrosivity, reactivity, or toxicity are listed on the EPA's F, K, P, or U lists.