Wastewater Inspection Checklist
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All laboratory waste is “treated” at the Palo Alto Regional Water Quality Control Plant (RWQCP) prior to discharge into San Francisco Bay.
Use previous regulatory agency inspection findings and self-inspections reports as a starting point to prepare for inspections. Remember to document the corrections and share the findings with all members of your research team.
- Sewerable" Discharge Limits are not the same as "hazardous waste" disposal limits.
- Non-sewerable hazardous substances include organic solvents, heavy metals or materials classified as toxics, flammables, corrosives (pH 5.0-11.0) or oxidizers.
- Check product labels and MSDS before disposing of materials into lab sinks! Kits, rinsates from staining process, film processor waste, algaecides, biocides, cleaners and organic solvents MAY contain materials that cannot be disposed of down the drain!
- Coomassie Blue Stain and Destain - The standard formula for the reagent has 20-50% methanol and 10% acetic acid and cannot be disposed of in the sink.
- Additional information is
available on the Stanford
Utilties website.
- Water bath algicides may contain copper
- "Chromerge" contains chromic acid and sulfuric acid
- Floor wax may contain zinc
- Merthiolate or thimersol contains mercury
- Use secondary containment for materials stored adjacent to sinks.
- Fumehood Cupsinks - PARWQCP recommends taking unused fumehood cupsinks out-of-service.
- Water aspirators - PARWQCP requires that water aspiration devices be removed from water faucets.
- Replace mercury thermometers with non-mercury alternatives at no cost!
- Future Item 3 This format allows a little more room for text-heavy pages.
- Future Item 4 This format allows a little more room for text-heavy pages with a maximum of three sentences describing the item.
This page is in development. Please check back again in a few weeks for more information! If there is information you are interested in having added to this area, please contact our office @ 723-0110. We are always open to suggestion and are interested in meeting your needs!
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