SNSF: Wet Bench Training - Answer Sheet
(Jan 1, 2020)
Working at any of the wet benches requires additional PPE, beyond the regular cleanroom garments.
True
False
The Magnehelic flow gauges should indicate a minimum reading of ______.
.1
.2
.3
2
The required PPE for working at the Spinner Bench is ______________.
Nitrile gloves and safety glasses only
Nitrile gloves, safety glasses, plus vinyl gloves
Nitrile gloves, safety glasses, plus vinyl gloves, chemical apron, face shield, and heavy chemical gloves
The required PPE for working at the Solvent Bench is _____________.
Nitrile gloves and safety glasses only
Nitrile gloves, safety glasses, plus vinyl gloves
Nitrile gloves, safety glasses, plus vinyl gloves, chemical apron, face shield, and heavy chemical gloves
Solvent-contaminated solids from the Spinner and Solvent benches that are disposed into the solvent-contaminated waste container include:
vinyl gloves
used wipes
used glass pipettes
used plastic pipettes
chemical in-use tags
broken wafers or samples
Solvent-contaminated solid from the Spinner and Solvent benches that are disposed into the contaminated-sharps container include:
vinyl gloves
used wipes
used glass pipettes
used plastic pipettes
chemical in-use tags
broken wafers or samples
Waste liquid solvents can be disposed of by _________________.
Diluting them, then pouring down the regular sink
Pouring them into an empty stock bottle
Pouring them down the solvent cup sink
The required PPE for working at the Base Bench is ____________.
Nitrile gloves and safety glasses only
Nitrile gloves and safety glasses, plus vinyl gloves
Nitrile gloves, safety glasses, plus vinyl gloves, chemical apron, face shield, and heavy chemical gloves
Base contaminated solids, once sealed in a Ziploc bag, should be placed ___________.
Into the solvent-contaminated solids container
Into the base-contaminated solids bin on the Base Bench
Into the regular trash
All liquid base waste is suitable for disposal in the base-waste cup sink.
True
False
The required PPE for working at the Acid Bench is ______________.
Nitrile gloves and safety glasses only
Nitrile gloves and safety glasses, plus vinyl gloves
Nitrile gloves, safety glasses, plus vinyl gloves, chemical apron, face shield, and heavy chemical gloves
Acid-contaminated solids, once sealed in a Ziploc bag, should be placed _____________.
Into the solvent-contaminated solids container
Into the regular trash
Into the acid-contaminated solids bin on the acid bench
Chemicals suitable for disposal in the HF cup sink include: (check all that apply)
phosphoric acid
sulfuric acid
hydrogen peroxide
hydrofluoric acid
gold etchant
hydrochloric acid
buffered-oxide etch
Chemicals suitable for disposal in the Mixed-Acids cup sink include: (check all that apply)
hydrofluoric acid
sulfuric acid
hydrogen peroxide
hydrochloric acid
gold ethcant
phosphoric acid
buffered-oxide etch
Chemicals that have their own specialized liquid waste containers include: (check all that apply)
piranha solution
buffered-oxide etch
gold etchant
phosphoric acid
If any of the 3/4 full carboy alarms sound, you can silence them and continue to use the cup sinks.
True
False
If any of the full carboy alarms sound, you can silence them and continue to use the cup sinks.
True
False
If users want to bring in external chemicals, they must provide staff with _____________ and wait for approval. (check all that apply)
chemical name
manufacturer
safety data sheet
SOP for the chemical's use
External user chemicals, after approval, must be labeled with _________________.
blue general-use sticker
yellow user-chemical sticker with all information filled in
your social security number
When external user-chemicals run out, or are no longer needed, their containers may be disposed of by _____________.
sealing in a Ziploc bag, then throwing them in the regular trash
sealing them in a Ziploc bag, then throwing them in the appropriate contaminated-solid container
sealing them in a Ziploc bag, then placing the bag into the fume hood in Spilker 005 for staff to have removed