OBJECTIVES

Diagnosis and Troubleshooting of Automotive Electrical,Electronic, and Computer Systems, Fifth EditionBy James D. Halderman

© 2010 Pearson Higher Education, Inc.Pearson Prentice Hall - Upper Saddle River, NJ 07458

OBJECTIVES

After studying Chapter 2, the reader should be able to:1. Prepare for the ASE assumed knowledge content required

by all service technicians to adhere to environmentally appropriate actions and behavior.

2. Define the Occupational Safety and Health Act (OSHA).3. Explain the term Material Safety Data Sheet (MSDS).4. Identify hazardous waste materials in accordance with

state and federal regulations and follow proper safety precautions while handling hazardous waste materials.

5. Define the steps required to safely handle and store automotive chemicals and waste.



OCCUPATIONAL SAFETY AND HEALTH ACT

• The United States Congress passed the Occupational Safety and Health Act (OSHA) in 1970.

• Because approximately 25% of workers are exposed to health and safety hazards on the job, the OSHA standards are necessary to monitor, control, and educate workers regarding health and safety in the workplace.



HAZARDOUS WASTE

• Hazardous waste materials are chemicals, or components, that the shop no longer needs which pose a danger to the environment and people if they are disposed of in ordinary garbage cans or sewers.

• The Environmental Protection Agency (EPA) publishes a list of hazardous materials that is included in the Code of Federal Regulations (CFR).



HAZARDOUS WASTE

• Reactive• Corrosive• Toxic• Ignitable• Radioactive



RESOURCE CONSERVATION AND RECOVERY ACT• Federal and state laws control the disposal of

hazardous waste materials.• Hazardous waste disposal laws include the

Resource Conservation and Recovery Act (RCRA).



RESOURCE CONSERVATION AND RECOVERY ACT• The RCRA controls the following types of

automotive waste.– Paint and body repair product waste– Solvents for parts and equipment cleaning– Batteries and battery acid– Mild acids used for metal cleaning and preparation– Waste oil, and engine coolants or antifreeze– Air conditioning refrigerants and oils– Engine oil filters



RESOURCE CONSERVATION AND RECOVERY ACT• The right-to-know laws state that employees have

a right to know when the materials they use at work are hazardous.



CLEAN AIR ACT

• Air conditioning (A/C) systems and refrigerant are regulated by the Clean Air Act (CAA), Title VI, Section 609.

• Technician certification and service equipment is also regulated.



MATERIAL SAFETY DATA SHEETS

• All hazardous materials must be properly labeled, and information about each hazardous material must be posted on Material Safety Data Sheets (MSDS) available from the manufacturer.

FIGURE 2-1 Material Safety Data Sheets (MSDS) should be readilyavailable for use by anyone in the area who may come into contact with hazardous materials.



DANGERS OF ASBESTOS EXPOSURE

• Asbestos exposure can cause scar tissue to form in the lungs.

• This condition is called asbestosis. – It gradually causes increasing shortness of breath and

permanent scarring of the lungs.



ASBESTOS OSHA STANDARDS

• The Occupational Safety and Health Administration (OSHA) has established three levels of asbestos exposure. – Any vehicle service establishment that does either brake

or clutch work must limit employee exposure to asbestos to less than 0.2 fiber per cubic centimeter (cc) as determined by an air sample.



ASBESTOS EPA REGULATIONS

• The EPA procedures require that products containing asbestos be “wetted” to prevent the asbestos fibers from becoming airborne.



ASBESTOS HANDLING GUIDELINES

• HEPA Vacuum• Solvent Spray• Disposal of Brake Dust

and Brake Shoes

FIGURE 2-2 All brakes should be moistened with water or solvent tohelp prevent brake dust from becoming airborne.



USED BRAKE FLUID

• Most brake fluid is made from polyglycol, is water soluble, and can be considered hazardous if it has absorbed metals from the brake system:– Collect brake fluid in containers clearly marked to indicate

that it is dedicated for that purpose.– If your waste brake fluid is hazardous, manage it

appropriately and use only an authorized waste receiver for its disposal.



USED BRAKE FLUID

– If your waste brake fluid is nonhazardous, determine from your local solid waste collection provider what should be done for its proper disposal.

– Do not mix brake fluid with used engine oil.– Do not pour brake fluid down drains or onto the ground.– Recycle brake fluid through a registered recycler.



USED OIL

• To meet the EPA’s definition of “used oil,” a substance must meet each of the following three criteria.– Origin– Use– Contaminants



DISPOSAL OF USED OIL

• Once oil has been used, it can be collected, recycled, and used over and over again.

• After collecting used oil in an appropriate container (e.g., a 55 gallon steel drum), the material must be disposed of in one of two ways.– Shipped offsite for recycling– Burned in an onsite or offsite EPA-approved heater for

energy recovery



DISPOSAL OF USED OIL

• Used oil storage• Keep used oil storage

drums in good condition• Never store used oil in

anything other than tanks and storage containers

• Follow used oil filter disposal regulations

FIGURE 2-3 A typical aboveground oil storage tank.



SOLVENTS

• Sources of Chemical Poisoning– The health hazards presented by brake cleaning solvents

occur from three different forms of exposure: ingestion, inhalation, or physical contact.

• Effects of Chemical Poisoning– The effects of exposure to chlorinated hydrocarbon and

other types of solvents can take many forms.



SOLVENTS

• Health Care Rights– The OSHA regulations

concerning on-the-job safety place certain responsibilities on the employer, and give employees specific rights.

FIGURE 2-4 Washing hands and removing jewelry are two important safety habits all service technicians should practice.



SOLVENT HAZARDOUS AND REGULATORY STATUS• Most solvents are classified as hazardous wastes.

Other characteristics of solvents include the following:– Solvents with flash points below 140°F are considered

flammable and, like gasoline, are federally regulated by the Department of Transportation (DOT).

– Solvents and oils with flash points above 140°F are considered combustible and, like engine oil, are also regulated by the DOT.



SOLVENT HAZARDOUS AND REGULATORY STATUS

FIGURE 2-5 Typical fireproof flammable storage cabinet.



USED SOLVENTS

• Used or spent solvents are liquid materials that have been generated as waste and may contain xylene, methanol, ethyl ether, and methyl isobutyl ketone (MIBK).

FIGURE 2-6 All solvents and other hazardous waste should bedisposed of properly.



COOLANT DISPOSAL

• Coolant is a mixture of antifreeze and water.

FIGURE 2-7 Used antifreeze coolant should be kept separate and stored in a leakproof container until it can be recycled or disposed of accordingto federal, state, and local laws. Note that the storage barrel is placed inside another container to catch any coolant that may spill out of the inside barrel.



LEAD-ACID BATTERYWASTE

• About 70 million spent lead-acid batteries are generated each year in the United States alone. – Lead is classified as a toxic metal and the acid used in

lead-acid batteries is highly corrosive.



BATTERY HAZARDOUS AND REGULATORY STATUS• Used lead-acid batteries must be reclaimed or

recycled in order to be exempt from hazardous waste regulations.



BATTERY HANDLING AND STORAGE

• Batteries, whether new or used, should be kept indoors if possible.

• The storage location should be an area specifically designated for battery storage and must be well ventilated (to the outside).



FUEL SAFETY AND STORAGE

1. Approved gasoline storage cans have a flash-arresting screen at the outlet.

2. Technicians must always use red approved gasoline containers to allow for proper hazardous substance identification.

3. Do not fill gasoline containers completely full.




4. Never leave gasoline containers open, except while filling or pouring gasoline from the container.

5. Never use gasoline as a cleaning agent.6. Always connect a ground strap to containers when

filling or transferring fuel or other flammable products from one container to another to prevent static electricity that could result in explosion and fire.




FIGURE 2-8 This red gasoline container holds about 30 gallons of gasoline and is used to fill vehicles used for training.



AIRBAG HANDLING

• Airbag safety should include the following precautions.– Disarm the airbag(s) if you will be working in the area

where a discharged bag could make contact with any part of your body.

– Do not expose an airbag to extreme heat or fire.– Always carry an airbag pointing away from your body.



AIRBAG HANDLING

– Place an airbag module facing upward.– Always follow the manufacturer’s recommended

procedure for airbag disposal or recycling, including the proper packaging to use during shipment.

– Wear protective gloves if handling a deployed airbag.– Always wash your hands or body well if exposed to a

deployed airbag.



USED TIRE DISPOSAL

• Used tires are an environmental concern because of several reasons, including the following.– In a landfill, they tend to “float” up through the other trash

and rise to the surface.– The inside of tires traps and holds rainwater, which is a

breeding ground for mosquitoes.– Used tires present a fire hazard and, when burned, create

a large amount of black smoke that contaminates the air.



USED TIRE DISPOSAL

• Used tires should be disposed of in one of the following ways.– Used tires can be reused until the end of their useful life.– Tires can be retreaded.– Tires can be recycled or shredded for use in asphalt.– Derimmed tires can be sent to a landfill.– Tires can be burned in cement kilns or other power plants where the

smoke can be controlled.– A registered scrap tire handler should be used to transport tires for

disposal or recycling.



AIR CONDITIONING REFRIGERANT OIL DISPOSAL• Air conditioning refrigerant

oil contains dissolved refrigerant and is therefore considered to be hazardous waste.

FIGURE 2-9 Air conditioning refrigerant oil must be kept separatedfrom other oils because it contains traces of refrigerant and must be treated as hazardous waste.



REMOVE COMPONENTS THAT CONTAIN MERCURY

FIGURE 2-10 Placard near driver’s door, including what devices in the vehicle contain mercury.



WHAT EVERY TECHNICIAN SHOULD KNOWWaste Chart

FIGURE 2-11 The Environmental Protection Agency (EPA) Hazardous Materials Identification Guide is a standardized listing of the hazards and the protective equipment needed.













SUMMARY

1. Hazardous materials include common automotive chemicals, liquids, and lubricants, especially those whose ingredients contain chlor or fluor in their name.

2. Right-to-know laws require that all workers have access to Material Safety Data Sheets (MSDS).

3. Asbestos fibers should be avoided and removed according to current laws and regulations.

4. Used engine oil contains metals worn from parts and should be handled and disposed of properly.

5. Solvents represent a serious health risk and should be avoided as much as possible.

6. Coolant should be recycled.7. Batteries are considered to be hazardous waste and

should be discarded to a recycling facility.



REVIEW QUESTIONS

1. List five common automotive chemicals or products that may be considered hazardous materials.

2. List five precautions to which every technician should adhere when working with automotive products and chemicals.



CHAPTER QUIZ

1. Hazardous materials include all of the following except _____.

a) Engine oil

b) Asbestos

c) Water

d) Brake cleaner



CHAPTER QUIZ

1. Hazardous materials include all of the following except _____.

a) Engine oil

b) Asbestos

c) Water

d) Brake cleaner



CHAPTER QUIZ

2. To determine if a product or substance being used is hazardous, consult the _____.

a) Dictionary

b) MSDS

c) SAE standards

d) EPA guidelines



CHAPTER QUIZ

2. To determine if a product or substance being used is hazardous, consult the _____.

a) Dictionary

b) MSDS

c) SAE standards

d) EPA guidelines



CHAPTER QUIZ

3. Exposure to asbestos dust can cause what condition?

a) Asbestosis

b) Mesothelioma

c) Lung cancer

d) All of the above are possible.



CHAPTER QUIZ

3. Exposure to asbestos dust can cause what condition?

a) Asbestosis

b) Mesothelioma

c) Lung cancer

d) All of the above are possible.



CHAPTER QUIZ

4. Wetted asbestos dust is considered to be _____.a) Solid waste

b) Hazardous waste

c) Toxic

d) Poisonous



CHAPTER QUIZ

4. Wetted asbestos dust is considered to be _____.a) Solid waste

b) Hazardous waste

c) Toxic

d) Poisonous



CHAPTER QUIZ

5. An oil filter should be hot drained for how long before disposing of the filter?

a) 30 to 60 minutes

b) 4 hours

c) 8 hours

d) 12 hours



CHAPTER QUIZ

5. An oil filter should be hot drained for how long before disposing of the filter?

a) 30 to 60 minutes

b) 4 hours

c) 8 hours

d) 12 hours



CHAPTER QUIZ

6. Used engine oil should be disposed of by all the following methods except _____.

a) Disposed of in regular trash

b) Shipped offsite for recycling

c) Burned onsite in a waste oil-approved heater

d) Burned offsite in a waste oil-approved heater



CHAPTER QUIZ

6. Used engine oil should be disposed of by all the following methods except _____.

a) Disposed of in regular trash

b) Shipped offsite for recycling

c) Burned onsite in a waste oil-approved heater

d) Burned offsite in a waste oil-approved heater



CHAPTER QUIZ

7. All of the following are the proper ways to dispose of a drained oil filter except _____.

a) Sent for recycling

b) Picked up by a service contract company

c) Disposed of in regular trash

d) Considered to be hazardous waste and disposed of accordingly



CHAPTER QUIZ

7. All of the following are the proper ways to dispose of a drained oil filter except _____.

a) Sent for recycling

b) Picked up by a service contract company

c) Disposed of in regular trash

d) Considered to be hazardous waste and disposed of accordingly



CHAPTER QUIZ

8. Which act or organization regulates air-conditioning refrigerant?

a) Clean Air Act (CAA)

b) MSDS

c) WHMIS

d) Code of Federal Regulations (CFR)



CHAPTER QUIZ

8. Which act or organization regulates air-conditioning refrigerant?

a) Clean Air Act (CAA)

b) MSDS

c) WHMIS

d) Code of Federal Regulations (CFR)



CHAPTER QUIZ

9. Gasoline should be stored in approved containers that include what color(s)?

a) A red container with yellow lettering

b) A red container

c) A yellow container

d) A yellow container with red lettering



CHAPTER QUIZ

9. Gasoline should be stored in approved containers that include what color(s)?

a) A red container with yellow lettering

b) A red container

c) A yellow container

d) A yellow container with red lettering



CHAPTER QUIZ

10. Used brake fluid can be considered hazardous because it _____.

a) contains polyglcol

b) is water soluble

c) has absorbed metals from the brake system

d) has absorbed asbestos from the brake system



CHAPTER QUIZ

10. Used brake fluid can be considered hazardous because it _____.

a) contains polyglcol

b) is water soluble

c) has absorbed metals from the brake system

d) has absorbed asbestos from the brake system



END

Documents

OBJECTIVES