Read practical guides about fume hoods, airflow control, wet scrubbers, and laboratory exhaust treatment product selection.
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Fume Hood Monitors: What the Rules Require and Which to Buy
Read more: Fume Hood Monitors: What the Rules Require and Which to BuyA fume hood monitor is required by the standards your institution adopted, not by OSHA’s own text.…
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Laboratory Ventilation Sequence of Operation: Decide the Failure Direction First
Read more: Laboratory Ventilation Sequence of Operation: Decide the Failure Direction FirstA laboratory ventilation sequence of operation is a deliverable, not a description: it names every mode, justifies…
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Laboratory Exhaust Manifold or Dedicated Runs? Decide the Architecture Before You Size Anything
Read more: Laboratory Exhaust Manifold or Dedicated Runs? Decide the Architecture Before You Size AnythingSettle the exhaust architecture before you size anything: decide which services must stand alone, which can share…
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Laboratory Air Changes per Hour: What to Decide
Read more: Laboratory Air Changes per Hour: What to DecideNo single air change rate fits every laboratory. Derive the room air volume from hood exhaust, equipment…
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What Is a Fume Hood?
Read more: What Is a Fume Hood?What is a fume hood? It is a ventilated enclosure that captures hazardous vapors, gases, fumes and…
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Where Does Fume Hood Exhaust Go?
Read more: Where Does Fume Hood Exhaust Go?Fume hood exhaust goes to the atmosphere above the building in a ducted system — or back…
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Laboratory Exhaust System Design: A Project-Level Decision Guide
Read more: Laboratory Exhaust System Design: A Project-Level Decision GuideLaboratory exhaust system design is a decision sequence, not a single calculation.
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How to Use a Fume Hood Safely
Read more: How to Use a Fume Hood SafelyWorking in a fume hood is a behavior, not a setting.
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Fume Hood Size Guide: Match the Chamber to the Apparatus
Read more: Fume Hood Size Guide: Match the Chamber to the ApparatusA fume hood size guide that starts with the apparatus: four nested layers, the airflow arithmetic and…
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Fume Hood Maintenance Checklist: What to Check, Repair or Escalate
Read more: Fume Hood Maintenance Checklist: What to Check, Repair or EscalateA fume hood maintenance checklist only works when it names who checks, who repairs and what gets…
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Fume Hood Placement Requirements: Read the Clause, Not Just the Number
Read more: Fume Hood Placement Requirements: Read the Clause, Not Just the NumberA cabinet’s containment depends on more than the cabinet. The room decides how much air crosses the…
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Fume Hood Makeup Air Requirements and Laboratory Pressure Balance
Read more: Fume Hood Makeup Air Requirements and Laboratory Pressure BalanceLaboratory makeup air differs from residential practice, and the difference decides how you size it. If you…