2 unchanged sentences
We also currently lease 59,300 square feet of additional office space in Norwell, Massachusetts under arrangements which may not expire until 2042.
−Removed: We have regional administrative offices in Texas and South Carolina, as well as Alberta, Canada and Hyderabad, India.
+Added: We have regional administrative offices in Texas, Florida and South Carolina, as well as Alberta, Canada and Hyderabad, India.
Our properties are sufficient and suitable for our current needs.
−Removed: We have a network of more than 540 service locations across all 50 states, nine Canadian provinces, Puerto Rico and Mexico.
−Removed: Those service locations include service centers, satellite locations, branches, active hazardous waste management properties and oil processing facilities.
+Added: We have over 750 operating locations housed at approximately 570 properties covering all 50 states, nine Canadian provinces, Puerto Rico and Mexico.
+Added: These operating locations include service centers, branches, satellite locations, active hazardous waste management properties and oil processing, blending and packaging facilities.
Some of our properties offer multiple capabilities.
−Removed: The following sets forth certain information as of December 31, 2021 regarding our properties.
−Removed: Service Centers, Satellite Locations and Branches
−Removed: We have approximately 406 service centers, satellite locations and branches throughout the United States and Canada which serve as principal sales and service centers from which we provide our environmental and industrial services and our containerized waste and parts cleaning services for our Environmental Services business as well as oil collection and product sales locations for our Safety-Kleen Sustainability Solutions business.
+Added: The following sets forth certain information regarding our key properties as of December 31, 2022.
+Added: Service Centers, Branches and Satellite Locations
+Added: We have more than 500 service centers, branches and satellite locations, across approximately 410 locations throughout the United States and Canada.
+Added: These serve as principal sales and service centers from which we provide our environmental, industrial and Safety-Kleen branch core services for our Environmental Services business as well as oil collection and product sales locations for our Safety-Kleen Sustainability Solutions business.
Active Hazardous Waste Management Properties
3 unchanged sentences
Capacity utilization is calculated by dividing actual production tons by practical capacity at each incinerator.
−Removed: The following table summarizes the practical capacity
−Removed: and utilization for each incinerator for the year ended December 31, 2021:
+Added: The following table summarizes the practical capacity and utilization for each incinerator for the year ended December 31, 2022:
# of Incinerators Practical Capacity (Tons) Utilization Rate
10 unchanged sentences
In the United States and Canada, we operate seven commercial landfills with approximately 28.2 million cubic yards of remaining highly probable airspace.
−Removed: Six of our commercial landfills are designed and permitted for the disposal of hazardous waste and one landfill is operated for nonhazardous industrial waste disposal and, to a lesser extent, municipal solid waste.
+Added: Six of our commercial landfills are designed and permitted for the disposal of hazardous waste and one landfill is operated for non-hazardous industrial waste disposal and, to a lesser extent, municipal solid waste.
In addition to our commercial landfills, we also own and operate two non-commercial landfills that only accept waste from our on-site incinerators.
−Removed: We are in the process of closing two commercial landfills, Altair and Westmorland.
−Removed: These landfills are excluded from the landfill counts above.
+Added: One of these non-commercial landfills is expected to reach its permitted capacity in early 2023 at which point we will begin closures activities.
+Added: Additionally, we are in the process of closing two commercial landfills, Altair and Westmorland.
+Added: The two commercial landfills that are already in closure, are excluded from the landfill counts above.
See "Landfill Accounting" within Note 2, "Significant Accounting Policies," to our consolidated financial statements included in Item 8 of this report for additional information on our commercial and non-commercial landfills.
1 unchanged sentence
We operate a total of ten facilities, of which eight are owned and two are leased, that offer a range of wastewater treatment technologies and services.
−Removed: One of these locations was acquired as part of the HydroChemPSC acquisition.
Wastewater treatment consists primarily of three types of services:
−Removed: hazardous wastewater treatment, sludge de-watering or drying and non-hazardous wastewater treatment.
+Added: hazardous wastewater treatment, sludge dewatering or drying and non-hazardous wastewater treatment.
Treatment, Storage and Disposal Facilities.
−Removed: We operate 26 TSDFs, of which 24 are owned and two are leased, in the United States and Canada.
+Added: We operate 33 TSDFs in the United States and Canada, of which 29 are owned and four are leased.
Our TSDFs facilitate the movement of materials among our network of service centers and treatment and disposal facilities.
−Removed: Transportation may be accomplished by truck, rail, barge or a combination of modes, with our own assets or in conjunction with third-party transporters.
+Added: Transportation may be accomplished by truck, rail, barge or a combination of modes, with our
+Added: own assets or in conjunction with third-party transporters.
Specially designed containment systems, vehicles and other equipment permitted for waste transport, together with drivers trained in transportation and waste handling procedures, provide for the movement of customer waste streams.
Other Hazardous Waste Management Properties.
−Removed: We own two facilities specializing in solvent recovery management.
−Removed: We also own one autoclave facility specifically designed to treat medical waste.
+Added: We own eight facilities specializing in solvent recovery management.
+Added: We also own two autoclave facilities specifically designed to treat medical waste.
Oil Processing, Blending and Packaging Facilities
2 unchanged sentences
Oil Recycling and Re-refining Facilities.
−Removed: We own seven oil re-refineries, six in the United States and one in Canada.
−Removed: With nearly 226.0 million gallons of used oil processed annually, we were able to return 196.1 million gallons of new re-refined oil, lubricants and byproducts back into the marketplace in 2021.
+Added: We own eight oil re-refineries, seven in the United States and one in Canada.
+Added: With nearly 232.5 million gallons of used oil collected this year, we were able to return 196 million gallons of new re-refined oil, lubricants and byproducts back into the marketplace in 2022.
Oil Packaging and Blending Facilities.
5 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.