reduces wastewater hydrocarbons load.

Source: Woinsky, 1994.

Source: Woinsky, 1994.


1. Name of project (process step, production unit, plant)

2. Operating unit

3. Person completing this analysis

4. What waste or emission is being generated from nonroutine operations (such as changeovers, clean-outs, start ups and shutdowns, spills, and sampling)? List the waste, its major constituents, frequency, and quantity.

5. What techniques or hardware are being used to eliminate or minimize waste from nonroutine operations?

6. What design practices are being used to eliminate fugitive emissions (e.g., from valves, pumps, flanges, and maintenance practices)?

7. Where is closed-loop piping used to eliminate emissions (e.g., interconnections of vents)?

8. What provisions are being made to contain process materials while other steps are in process or are taken offline (e.g., keeping materials within pipes or reactors or going to total recycling)?

9. Where is emission-free equipment specified (e.g., pumps and compressors)?

10. Where does the slope of lines change to eliminate waste via proper draining back to the process?

11. Where are special materials of construction selected to eliminate waste (e.g., so conservation vents do not rust and stick open, cooling coils do not leak, metals do not leach from tanks, and sewers do not leak)?

12. Where are equipment or unit operations close-coupled to eliminate waste?

13. What is being done to eliminate or minimize putting waste in drums?

14. What is being done to eliminate or minimize the amount of excess empty drums to dispose (e.g., changes to receive raw materials in returnable packages or bulk shipment)?

15. What design practices are being used to prevent, through containment and early detection, soil and groundwater contamination due to leaks and spills (e.g., aboveground piping, secondary containment, and no inground facilities)?

16. Where is secondary containment not provided and why?

17. Where are chemicals stored or transported inground and why?

18. What measures are being taken to ensure the control, recovery, and proper disposal of any accidental release of raw materials, intermediates, products, or waste?


1. Name of project (process step, production unit, plant)

2. Operating unit

3. Person completing this analysis

4. Stream information (see Nonuseful Streams on Checklist A, Question #5)

Stream number Stream name

State (Vapor, Liquid, Solid)

5. Does this stream:

a. Contain toxic chemicals on any regulatory list? If yes, which ones?

b. Become a hazardous waste under any regulations? If yes, is it a listed or a characteristic waste?

6. What permitting requirements are triggered if this stream is to enter the environment?






7. Is treatment of this stream required before release to the environment? If no, what is the basis for this decision?

8. How is this stream, or waste derived from treating it, to be disposed?

9. If flaring of this stream is proposed, what alternatives to flaring were considered?

10. If landfilling of this stream, or waste derived from it, is proposed:

a. What can be done to eliminate the landfilling?

b. Must this stream be stabilized before landfilling?

c. Must this waste be disposed in a secure Class I hazardous waste landfill?

11. Is offsite treatment, storage, or disposal of this waste proposed? If yes, what could be done to dispose of this waste onsite?

Fill out a separate form for each Nonuseful Stream listed in Checklist A and being discharged or emitted into the environment from this process step, production unit, or plant.



1. Project name Project number Authorization date Proof year Location Operating unit

2. Project purpose

3. Project environmental leader

4. Environmental project objectives developed and attached?

5. List permits required to construct or operate this facility (use attachments if necesssary)

12. Environmental results:


Date Required

Critical Path?

Person Responsible

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