01:41
Summary-Chemical Risk Assessment and Control
01:12
Trigger-Chemical Risk Assessment and Control
00:46
Trigger-Chemical Safety in Laboratory
03:20
Summary-Chemical Safety in Laboratory
04:41
Chemical Hazard Identification and Risk Assessment (HIRA)
01:50
Chemical Waste Management (2)
05:02
Chemical Waste Management
05:33
Chemical Compatibility and Containment
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