Introduction to Basic Functions of Biosafety Cabinets and Interpretation of Test Reports 生物安全櫃之功能說明及檢測報告判讀 解答

Which of the following compounds is used as a smoke source for the smoke pattern test of BSCs

• Tetrachloromethane
• Fluorine tetrachloride
• Titanium tetrachloride
• Tetrachlorethylene

To filter a minimum of 0.3μm particles, how efficient should a HEPA filter be?

• 99.13
• 99.39
• 99.69
• 99.99

Which of the following actions when operating BSCs is wrong?

• After use, empty the cabinet.
• Before use, turn on the BSC for a while.
• Turn off the BSC immediately after use and take out the items.
• Wipe workbench with alcohol.

Among the following National Sanitation Foundation (NSF) standards, which one is the standard for BSCs?

• NSF29
• NSF39
• NSF49
• NSF59

When testing  inflow velocity, a minimum of how many readings shall be measured at the sash?

• 5

Among the following Class II BSCs, which type has a face velocity of 75 ft/m?

• A1
• A2
• B1
• B2

When testing downflow velocity, a minimum of how many readings across the workbench shall be measured in a horizontal plane 10 cm above the bottom edge of the sash?

• 2X8
• 3X7
• 4X6
• 5X7

Among the following Class II BSCs, which one does not circulate airflow in the work area?

• A1
• A2
• B1
• B2

Which of the following chemicals can be used for the HEPA filter leak test?

• PAO
• SiO2
• H2O2
• MgO

Which of the following information is not included in a regular BSC test report?

• HEPA filter leak test
• Cabinet integrity test
• Inflow velocity test
• Smoke pattern test