AG 4343 Ch. 6

What does personal safety involve?

Eye, hearing, feet, head, respiratory, body, and face protection equipment.

What does eye protection require?

It requires spectacles or goggles meeting ANSI standards and both the lenses and frame are marked with the manufacture’s trademark.

When must hearing protection devices be provided?

They must be provided in noise conditions above the 90dB limit.

What type of should be considered when working around heavy equipment or on construction jobs?

Steel toed shoes should be considered.

What should be provided for students when working around machinery or on construction jobs?

Protective head gear such as bump caps or hard hats should be provided.

When should respiratory protection be provided?

They should be provided for conditions such as dust in the carpentry lab or working with chemicals.

What are two types of respiratory protection devices?

* Mechanical mask (dust mask)
* Chemical masks

What does proper body and hand protection involve?

This involves proper clothing (shop coats, aprons, or coveralls) and leather gloves for welding and working with hot metals.

What must be provide in regards to welding helmets?

Welding helmets with proper filer lense (number 10-14 for most arc welding situations) must be provided.

Where should face shield be provided?

They should be provided at all stationary power tools or all power tools.

What must be provided with for treating minor accidents or injuries?

First aid kits approved for conditions and number of individuals must be provided.

The mechanics instructor should consider becoming qualified for what?

They should consider becoming qualified to administer first-aid and perform artificial respiration and CPR.

What must the mechanics instructor be familiar with?

They must be familiar with all state and federal laws and codes regarding student safety in the agricultural mechanics lab.

What must eye protection meet the standards of?

They must meet the standards of the American Standard Safety Code for Head, Eye, and Respiration Protection.

What are Style A safety spectacles?

These do not have side shield because they are for limited hazard use requiring only frontal protection.

What are Style B safety spectacles?

These have wire mesh, perforated plastic, or non-perforated side shields.

What are Style C safety spectacles?

These will have semi or flat fold side shields which must be firmly secured to the frame.

Do goggles and face shield meet the safety requirements?

Yes, if they are marked with the manufacturer’s identification on the lens and frame.

How thick must lens be?

They must be 0.050 inch in thickness.

A student who wears prescription lenses has 2 alternatives to wearing goggles:

* Purchase industrial quality prescription glasses
* Wear approved goggles over his or here prescription streetwear glasses

What are plano lenses?

These are lenses without correction.

When are style B spectacles recommended?

* Where molten metal is handled
* Where chipping and grinding takes place
* Where there are flying particles and sparks
* Work wears with machine tools, spot welders, and arc welders

When are style B spectacles recommended?

* Where there are limited hazards
* Where frontal protection is primarily required

What is intensity of noise?

This refers to the loudness.

What is frequency of noise?

This is the number of vibrations in sound pressure per unit express in Hertz

What is duration of noise?

This is the length of time a person is exposed to a sound.

What has a great effect on sound pressure and intensity?

Distance has a great effect on sound pressure and intensity.

What is the unit of measure of noise?

Decibel (dB) scale

What is the average threshold of hearing?

15 dB

What is the noise level of an average residence?

40 dB

What is the established OSHA noise level for an 8 hour period?

90 dB

When should ear muffs be used?

They should be used when noise exposure is intermittent or relatively short duration such as a chain saw or radial arm saw.

What do bump caps protect the wearer from?

They protect the wearer form bumping their head when working under or around machinery.

What does CPR stand for?

Cardiopulmonary Resuscitation

What does the ABC method stand for?

* Airway (check for breathing)
* Breathing (breaths)
* Circulation (CPR)

What is the recommended amount of compressions per minute?

60 compressions per minute.