High School Safety & Personal Protective Equipment (PPE) Student Materials

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Be an Safety Inspector

1. Be an OSHA Inspector• Your job is to inspect the Material Testing laboratory

at a Metal Machining and Product Fabrication company for safety measures in place and any safety violations.

• You are given a Safety Checklist of things to look for.• Inspect each picture and note if the safety

requirements from the list are met. If not, suggest what should be done to correct the violation(s).

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Safety Checklist• Fume Hoods

• Fume hood must be present whenever toxic chemicals (solids, liquids and gases) are being handled.

• Fume hood must be operated at the proper sash height, that is, in the lowered position. When the sash is placed at the proper working height, it will also provide a barrier against any unanticipated explosions, fires, spills, or splashes.

• Lab doors should be kept closed so that hood can operate properly and so that gases and fumes do not spread to other parts of the plant.


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Safety Checklist• Fume Hoods

• Excessive amounts of chemical and apparatus should not be stored in the hood. This can greatly impair its performance.

• Spark sources (example, electrical heaters) should not be placed inside the hood when flammable gases or liquids are present.

• Electrical apparatus should not be permanently stored in the hood.


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Safety Checklist• Eye Wash and Shower Station

• Must be present.• There should be a clear path to the station.• There should not be any large or small obstacles around

the station.• Gas Cylinders

• Should be stored in the upright position and chained.• Should be transported in a trolley, not dragged on the

floor.• Articles of clothing should not be hanged from cylinders


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Safety Checklist• Hygiene and Sanitation

• Proper PPE (gloves, mask or respirators, lab coat, proper shoes) should be worn, especially when handling any chemical or product.• Hands should be washed regularly, especially before

eating.• Workers should not eat or drink in the lab.• Workers should not smoke in the lab or around

flammable liquids or gases.• Counter tops should be kept clean and excess

containers removed and stored.


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Fume hood Sash

Figure 1: Lab Fume Hood with the Sash in the Lowered position.

What is Wrong or Right with this picture?

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Observation Right or Wrong

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Fume hood Sash

Figure 2: Lab Fume Hood with the Sash in the up position.


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Figure 3: A Laboratory Technician wearing PPE and working at a fume hood with the sash lowered


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Figure 4: A Laboratory Technician not wearing PPE working at a fume hood with the sash up.


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Figure 5: A fume hood being used to store chemicals.


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Figure 6: A fume hood being used to store chemicals and electrical appliances. Electrical appliances and a flammable gas are being used at the same time in the fume hood.


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Figure 7: Passage way with doors leading to the labs all opened.


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Figure 8: Eye Wash and Shower Station. Electrical extension and other debris in from of the station.


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Figure 9: Eye Wash and Shower Station.


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Figure 10: Gas cylinder chained to trolley for transportation.


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Figure 11: Clothes hanging on gas cylinder.


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Figure 12: Gas cylinders chained and stored in upright position.


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Figure 13: A counter top with dirty wears, most of which are not been immediately used.


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Figure 14: An employee washes his hands before going to lunch.


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Figure 15: A worker smokes a cigarette outside around a container with flammable liquid.


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Figure 16: A worker pouring a liquid that is very corrosive, toxic and reactive wears all the necessary PPE.


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Figure 17: A worker uses a spill kit to clean up a corrosive liquid from the floor. She is wearing various PPE.


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Figure 18: A laboratory Technician sits a lab counter that she first wiped down to have a snack.


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Figure 19 : An employee drinks soft drinks while working at fume hood. Note the position of the hood sash and the amount or chemical stored.


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High School Safety & Personal Protective Equipment (PPE) Student Materials