Call Chemical Waste Services if you are uncertain about: - Concentration
- Contents in the total waste
- pH
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Range of pH - Any aqueous waste outside the pH range of 6 to 10 is not authorized for discharge to the drain
- The pH range must be between 6 and 10 at the point of disposal
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Autoclave approved antibiotics before discharge - The NIH Drain Discharge Guide lists antibiotics that may be autoclaved and discharged to the drain. All other antibiotics must be disposed through Chemical Waste Services
- Bleach combined with any antibiotics must be disposed through Chemical Waste Services
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All approved chemicals are used in a process before discharge
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NIH is licensed by the Washington Sanitary Suburban Commission (WSSC) to discharge certain waste streams to the sanitary sewer if NIH remains within certain parameters.
- An unauthorized discharge can seriously affect these parameters. If WSSC revokes the NIH permit, waste disposal costs will increase and resources will be burdened.
Need to submit an application to dispose waste down the drain? Click on the button below!
