Cleaner coolant, measurable waste reduction.
Coolant recycling can reduce new-fluid consumption and the volume of spent coolant sent for disposal. Facility records can track those changes alongside the waste determinations, exposure assessments, and management practices required for the operation.
What recycling changes for your plant
What recycling delivers
Program responsibilities remain defined
Monthly hazardous-waste quantity determines the category
Federal generator categories are based on the total quantity of hazardous waste generated during a calendar month. Reducing a hazardous spent-coolant stream may affect that total, but only after the facility completes its waste determination and counts all applicable hazardous waste. State requirements can differ.
Large Quantity Generator
1,000 kg or more of non-acute hazardous waste per month, or the applicable federal threshold for acute hazardous waste or acute spill residue. Large Quantity Generators are subject to the federal requirements for that category.
Small Quantity Generator
More than 100 kg and less than 1,000 kg of non-acute hazardous waste per month, subject to the separate federal thresholds for acute hazardous waste and acute spill residue.
Very Small Quantity Generator
100 kg or less of non-acute hazardous waste per month, subject to separate federal limits for acute hazardous waste, acute spill residue, and on-site accumulation.
Apply the thresholds to the facility's complete waste profile. Reducing one hazardous waste stream can lower the monthly total, but generator status and applicable requirements depend on all counted hazardous waste and the rules in the facility's jurisdiction.
Coolant management within the facility compliance program
Coolant condition, worker exposure, waste characterization, and facility management systems are related but separate responsibilities. Review the regulatory framework and source references on the sustainability page.
Mist evaluation and controls
OSHA addresses applicable metalworking-fluid exposures through air-contaminant standards. Facilities must evaluate exposure and use the engineering, work-practice, administrative, and protective controls required for their operation.
RCRA determination
Spent coolant is not automatically hazardous waste. The facility must determine whether the waste is listed or exhibits a hazardous characteristic and manage it under the applicable federal and state requirements.
ISO 14001 & 45001
ISO 14001 provides a framework for environmental management, while ISO 45001 provides a framework for occupational health and safety. Each organization determines how coolant use, waste, and exposure relate to its aspects, hazards, objectives, and controls.
SCAQMD Rule 1144
Plants in the South Coast district around Los Angeles carry an additional overlay on metalworking-fluid composition and emissions under South Coast AQMD Rule 1144. It adds to the federal framework rather than replacing it.
Contaminant control supports a broader exposure program
Maintaining coolant condition can reduce sources of odor and fluid degradation. Exposure assessment and control still require the facility's established industrial-hygiene, ventilation, work-practice, and protective-equipment measures.
Control fluid contact
Metalworking-fluid contact can contribute to irritant or allergic dermatitis. Fluid maintenance should be combined with appropriate work practices, guarding, and protective equipment.
Evaluate machining mist
Metalworking-fluid mist can affect respiratory health. Machine enclosures, local exhaust ventilation, sampling, and other exposure controls remain essential.
Remove contamination that supports growth
Free oil, mechanically dispersed oil, and suspended solids support bacterial growth. Filtration and oil separation remove these contaminants, while optional ozone treatment provides automated bacteria control.
Combine fluid and exposure controls
Coolant filtration is one part of a complete program that includes chemistry control, housekeeping, ventilation, work practices, sampling, and employee protection.
Equipment, application engineering, and operating information
EdjeTech supplies coolant filtration and recycling equipment, application guidance, and product operating information. The facility remains responsible for its environmental, health, safety, testing, and recordkeeping programs.
The equipment
The systems that recycle and filter the fluid, sized and deployed for your plant.
The engineering
Sizing and deployment advice from an engineer who stays reachable after the sale.
Product information
System specifications, operating information, and available performance data for the selected equipment.
Spent-coolant management and regulatory questions
What does OSHA require for metalworking-fluid exposure?+
How do I know if my spent coolant is RCRA hazardous waste?+
Does recycling actually reduce my hazardous-waste manifests?+
Can I cite EdjeTech equipment in my ISO 14001 aspects register?+
What documentation can EdjeTech provide for an audit?+
Start with your fluid and disposal records
Use purchasing records, disposal volumes, and current fluid-management practices to evaluate the potential impact.
- Application review
Talk to an engineer
An engineer reviews the fluid, contamination, process, and operating requirements.
Request an application review → - Savings estimate
Savings calculator
Enter your disposal cost and gallons to estimate the potential reduction.
Estimate potential savings → - The equipment
C.R.O.S.S.
Review system performance, functions, specifications, and configuration options.
View C.R.O.S.S. →