Quarterly report [Sections 13 or 15(d)]

Revenue from Contracts with Customers (Tables)

v3.25.3
Revenue from Contracts with Customers (Tables)
9 Months Ended
Sep. 30, 2025
Revenue from Contract with Customer [Abstract]  
Disaggregated Revenue
The Company’s primary means of disaggregating revenue is by key end uses, which are described in the table below.
Key End Uses Key Products
Regeneration and treatment services • Sulfuric acid regeneration services
• Hazardous waste treatment services
Industrial, mining & automotive • Virgin sulfuric acid for mining
• Virgin sulfuric acid derivatives for industrial production
• Virgin sulfuric acid derivatives for nylon production
Other • Catalyst activation
• Aluminum sulfate solution
• Ammonium bisulfite solution
The following table disaggregates the Company’s sales by key end uses, for the three and nine months ended September 30, 2025 and 2024, respectively:
Three months ended
September 30,
Nine months ended
September 30,
2025 2024 2025 2024
Regeneration and treatment services(1)
$ 99,157  $ 91,037  $ 271,192  $ 269,721 
Industrial, mining & automotive 96,430  53,291  226,641  154,165 
Other 9,320  9,539  26,249  25,542 
Total sales $ 204,907  $ 153,867  $ 524,082  $ 449,428 
(1)As described in Note 1 to these condensed consolidated financial statements, the Company experiences seasonal sales fluctuations to customers in the regeneration services product group.