Wisconsin Administrative Code
Department of Natural Resources
NR 600-699 - Environmental Protection - Hazardous Waste Management
Chapter NR 662 - Hazardous Waste Generator Standards
Subchapter L - Alternative Standards for Episodic Generation
Section NR 662.232 - Conditions for a generator managing hazardous waste from an episodic event

Universal Citation: WI Admin Code ยง NR 662.232

Current through August 26, 2024

(1) VERY SMALL QUANTITY GENERATOR. A very small quantity generator may maintain its existing generator category for hazardous waste generated during an episodic event provided that the generator complies with all of the following:

(a) The very small quantity generator is limited to one episodic event per calendar year, unless a petition is granted under s. NR 662.233.

(b) The very small quantity generator shall notify the department no later than 30 calendar days prior to initiating a planned episodic event using EPA Form 8700-12. In the event of an unplanned episodic event, the generator shall notify the department within 72 hours of the unplanned event via phone, email, or fax and subsequently submit EPA Form 8700-12. The generator's notification shall include the start date and end date of the episodic event, the reason for the episodic event, types and estimated quantities of hazardous waste expected to be generated as a result of the episodic event, and shall identify a facility contact and emergency coordinator with 24-hour telephone access to discuss the notification submittal or respond to an emergency in compliance with s. NR 662.016(2) (i) 1.

(c) The very small quantity generator shall have an EPA identification number or obtain an EPA identification number using EPA Form 8700-12.

(d) A very small quantity generator is prohibited from accumulating hazardous waste generated from an episodic event on drip pads and in containment buildings. When accumulating hazardous waste in containers and tanks the following conditions apply:
1. A very small quantity generator accumulating in containers shall mark or label its containers with all of the following:
a. The words "Episodic Hazardous Waste."

b. An indication of the hazards of the contents. Acceptable indications of hazardous contents include the following: applicable hazardous waste characteristic or characteristics, such as ignitable, corrosive, reactive, or toxic; hazard communication consistent with the department of transportation requirements on labeling or placarding, incorporated into s. Trans 326.01(3); a hazard statement or pictogram consistent with the Occupational Safety and Health Administration Hazard Communication Standard, incorporated into s. SPS 332.50; or a chemical hazard label consistent with the National Fire Protection Association 704 label, incorporated into s. SPS 314.001(1) (a)."

c. The date the episodic event began, clearly visible for inspection on each container.

2. A very small quantity generator accumulating episodic hazardous waste in tanks shall do all of the following:
a. Mark or label the tanks with the words "Episodic Hazardous Waste."

b. Mark or label the tanks with an indication of the hazards of the contents. Acceptable indications of hazardous contents include the following: applicable hazardous waste characteristic or characteristics, such as ignitable, corrosive, reactive, or toxic; hazard communication consistent with the department of transportation requirements on labeling or placarding, incorporated into s. Trans 326.01(3); a hazard statement or pictogram consistent with the Occupational Safety and Health Administration Hazard Communication Standard, incorporated into s. SPS 332.50; or a chemical hazard label consistent with the National Fire Protection Association 704 label, incorporated into s. SPS 314.001(1) (a).

c. Use inventory logs, monitoring equipment or other records to identify the date upon which each episodic event begins.

d. Keep inventory logs or records with the information specified in subd. c. on-site and available for inspection for at least 3 years from the end date of the episodic event.

3. Hazardous waste shall be managed in a manner that minimizes the possibility of a fire, explosion, or release of hazardous waste or hazardous waste constituents to the air, soil, or water, including all of the following conditions:
a. Containers shall be in good condition and compatible with the hazardous waste being accumulated therein. Containers shall be kept closed except to add or remove waste.

b. Tanks shall be in good condition and compatible with the hazardous waste accumulated therein. Tanks shall have procedures in place to prevent overflow. Tanks shall be inspected at least once each operating day to ensure all applicable discharge control equipment, such as waste feed cutoff systems, bypass systems, and drainage systems are in good working order and to ensure the tank is operated according to its design by reviewing the data gathered from monitoring equipment such as pressure and temperature gauges from the inspection.

Note: Examples of preventing a tank overflow include high level alarms, an automatic waste feed cutoff system, or a bypass system to a standby tank when hazardous waste is continuously fed into the tank.

(e) The very small quantity generator shall comply with the hazardous waste manifest provisions of subch. B when it sends its episodic event hazardous waste off-site to a designated facility, as defined in s. NR 660.10(21).

(f) The very small quantity generator shall manifest and send its hazardous waste generated from the episodic event to a designated facility, as defined in s. NR 660.10(21), within 60 days of the start of the event.

(g) A very small quantity generator shall maintain all of the following records for 3 years from the end date of the episodic event:
1. Beginning and end dates of the episodic event.

2. A description of the episodic event.

3. A description of the types and quantities of hazardous wastes generated during the event.

4. A description of how the hazardous waste was managed as well as the name of the RCRA-designated facility that received the hazardous waste.

5. The name of the hazardous waste transporter.

6. An approval letter from the department if the generator petitioned to conduct one additional episodic event per calendar year.

(2) SMALL QUANTITY GENERATORS. A small quantity generator may maintain its existing generator category during an episodic event provided that the generator complies with all of the following conditions:

(a) The small quantity generator is limited to one episodic event per calendar year unless a petition is granted under s. NR 662.233.

(b) The small quantity generator shall notify the department no later than 30 calendar days prior to initiating a planned episodic event using EPA Form 8700-12. In the event of an unplanned episodic event, the small quantity generator shall notify the department within 72 hours of the unplanned event via phone, email, or fax, and subsequently submit EPA Form 8700-12. The generator's notification shall include the start date and end date of the episodic event and the reason for the episodic event, types and estimated quantities of hazardous wastes expected to be generated as a result of the episodic event, and identify a facility contact and emergency coordinator with 24-hour telephone access to discuss the notification submittal or respond to emergency.

(c) The small quantity generator shall have an EPA identification number or obtain an EPA identification number using EPA Form 8700-12.

(d) A small quantity generator is prohibited from accumulating hazardous wastes generated from an episodic event waste on drip pads and in containment buildings. When accumulating hazardous waste generated from an episodic event in containers and tanks, all of the following conditions apply:
1. A small quantity generator accumulating episodic hazardous waste in containers shall meet the standards specified in s. NR 662.016(2) (b) and shall mark or label its containers with all of the following:
a. The words "Episodic Hazardous Waste."

b. An indication of the hazards of the contents. Acceptable indications of hazardous contents include the following: applicable hazardous waste characteristic or characteristics, such as ignitable, corrosive, reactive, or toxic; hazard communication consistent with the department of transportation requirements on labeling or placarding, incorporated into s. Trans 326.01(3); a hazard statement or pictogram consistent with the Occupational Safety and Health Administration Hazard Communication Standard, incorporated into s. SPS 332.50; or a chemical hazard label consistent with the National Fire Protection Association 704 label, incorporated into s. SPS 314.001(1) (a).

c. The date upon which the episodic event began, clearly visible for inspection on each container.

2. A small quantity generator accumulating episodic hazardous waste in tanks shall meet the standards specified in s. NR 662.016(2) (c) and shall do all of the following:
a. Mark or label the tanks with the words "Episodic Hazardous Waste."

b. Mark or label the tanks with an indication of the hazards of the contents. Acceptable indications of hazardous contents include the following: applicable hazardous waste characteristic or characteristics such as, ignitable, corrosive, reactive, or toxic; hazard communication consistent with the department of transportation requirements on labeling or placarding, incorporated into s. Trans 326.01(3); a hazard statement or pictogram consistent with the Occupational Safety and Health Administration Hazard Communication Standard, incorporated into s. SPS 332.50; or a chemical hazard label consistent with the National Fire Protection Association, incorporated into s. SPS 314.001(1) (a).

c. Use inventory logs, monitoring equipment or other records to identify the date upon which each period of accumulation begins and ends.

d. Keep inventory logs or records with the information in subd. 2. c. on-site and available for inspection.

(e) The small quantity generator shall treat hazardous waste generated from an episodic event on-site or manifest and ship such hazardous waste off-site to a designated facility, as defined in s. NR 660.10(21), within 60 calendar days from the start of the episodic event.

(f) The small quantity generator shall maintain all of the following records for 3 years from the end date of the episodic event:
1. Beginning and end dates of the episodic event.

2. A description of the episodic event.

3. A description of the types and quantities of hazardous wastes generated during the event.

4. A description of how the hazardous waste was managed as well as the name of the designated facility, as defined in s. NR 660.10(21), that received the hazardous waste.

5. Name of the hazardous waste transporter.

6. An approval letter from the department if the generator petitioned to conduct one additional episodic event per calendar year.

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