AcrylonitrileAcrylonitrile

Regulated areasRegulated areas Areas where acrylonitrile Areas where acrylonitrile

concentrations might exceed the concentrations might exceed the permissible exposure limitpermissible exposure limit

Job titles/functions allowed to Job titles/functions allowed to access regulated areasaccess regulated areas

1a

Regulated areasRegulated areas Tour regulated areasTour regulated areas

Never store or use cosmetics, food Never store or use cosmetics, food items, beverages, items, beverages, or smoking items in or smoking items in regulated areasregulated areas

1b

DefinitionsDefinitions Ceiling limitCeiling limit

• 10 ppm as averaged over any 15-minute 10 ppm as averaged over any 15-minute periodperiod

Action levelAction level• 1 ppm as an 8-hour TWA1 ppm as an 8-hour TWA

Permissible exposure limitPermissible exposure limit• 2 ppm as an 8-hour TWA2 ppm as an 8-hour TWA

2a

Exposure controlExposure control Engineering controlsEngineering controls

Work practice Work practice controlscontrols

2b

MonitoringMonitoring Detects presence of contaminants Detects presence of contaminants

in work areain work area

Available for all employees to Available for all employees to observeobserve

3a

MonitoringMonitoring Ongoing monitoring depends upon:Ongoing monitoring depends upon:

• Exposure to contaminants at or above Exposure to contaminants at or above the action level, but below the PEL the action level, but below the PEL (quarterly)(quarterly)

• Exposure to contaminants above the Exposure to contaminants above the PEL (at least every month)PEL (at least every month)

• Changes in personnel, processes, Changes in personnel, processes, controlscontrols

3b

MonitoringMonitoring Monitoring is required after clean-Monitoring is required after clean-

up operationsup operations

Monitoring may be stopped for Monitoring may be stopped for individual employees under some individual employees under some conditionsconditions

3c

MonitoringMonitoring Employees are notified in writing of Employees are notified in writing of

monitoring results within 5 working monitoring results within 5 working daysdays

Written notification must include Written notification must include corrective actions to reduce corrective actions to reduce exposures to the PELexposures to the PEL

3d

MonitoringMonitoring Additional monitoring may be Additional monitoring may be

performed whenever there is a performed whenever there is a change in:change in:• ProcessesProcesses• EquipmentEquipment• PersonnelPersonnel• Work practicesWork practices

3e

Physical and health Physical and health hazardshazards Physical hazardsPhysical hazards

• Flammable liquidFlammable liquid• Moderate explosion hazard when Moderate explosion hazard when

exposed to flameexposed to flame• Can react vigorously with oxidizersCan react vigorously with oxidizers

4a

Physical and health Physical and health hazardshazards Physical hazardsPhysical hazards

• Potential fire hazardPotential fire hazard• Releases nitrogen oxides and cyanideReleases nitrogen oxides and cyanide• Fight fire with carbon dioxide, Fight fire with carbon dioxide,

dry chemical, or dry chemical, or alcohol foamalcohol foam

4b

Physical and health Physical and health hazardshazards Immediate (acute) health hazardsImmediate (acute) health hazards

• Eye irritationEye irritation• SleepinessSleepiness• General loss of feeling - numbnessGeneral loss of feeling - numbness• CyanosisCyanosis• DiarrheaDiarrhea

4c

Physical and health Physical and health hazardshazards Immediate (acute) health hazardsImmediate (acute) health hazards

• Inhalation is poisonousInhalation is poisonous• Skin contact is poisonousSkin contact is poisonous• Poisoning is immediate Poisoning is immediate • Severe eye irritantSevere eye irritant

4d

Physical and health Physical and health hazardshazards Chronic (long-term) effectsChronic (long-term) effects

• CarcinogenCarcinogen• Reproductive health changesReproductive health changes• MutagenicMutagenic• TumorigenicTumorigenic

4e

Work practicesWork practices Engineering controls and work Engineering controls and work

practices are primary methods of practices are primary methods of exposure controlexposure control

Supplement engineering controls Supplement engineering controls and work and work practices with practices with respirators if necessaryrespirators if necessary

5a

Work practicesWork practices Storage and handling procedures Storage and handling procedures

include the following:include the following:• Keep containers tightly closedKeep containers tightly closed• Never store uninhibited acrylonitrileNever store uninhibited acrylonitrile• Store in cool, well-ventilated placeStore in cool, well-ventilated place• Keep from incompatible materialsKeep from incompatible materials• ““EX” type forklifts may be requiredEX” type forklifts may be required

5b

Work practicesWork practices Do not wear contact lenses when Do not wear contact lenses when

working with acrylonitrileworking with acrylonitrile

In areas where acrylonitrile In areas where acrylonitrile exceeds the PEL, do not store or exceeds the PEL, do not store or use cosmetics, lip balm, food use cosmetics, lip balm, food items, or smokeitems, or smoke

5c

Work practicesWork practices Keep all surfaces free of acrylonitrileKeep all surfaces free of acrylonitrile

Inspect for leaks and spillsInspect for leaks and spills

Workers must wear impermeable Workers must wear impermeable clothing, eye protection, face clothing, eye protection, face shields, etc.shields, etc.

5d

Work practicesWork practices Know location of washing facilitiesKnow location of washing facilities

Keep all sources of ignition away Keep all sources of ignition away from acrylonitrilefrom acrylonitrile

Do not incinerate acrylonitrile Do not incinerate acrylonitrile cartridges, tanks, containerscartridges, tanks, containers

5e

Emergency proceduresEmergency procedures Written emergency action plan is Written emergency action plan is

requiredrequired• Contact personsContact persons• Phone numbersPhone numbers

Remove all ignition Remove all ignition sourcessources

6a

Emergency proceduresEmergency procedures Evacuate the areaEvacuate the area

Wear appropriate Wear appropriate PPE until cleanup PPE until cleanup is completeis complete

Properly dispose of wasteProperly dispose of waste

6b

Emergency proceduresEmergency procedures Employees not involved in Employees not involved in

emergency procedures must be:emergency procedures must be:• Notified with a general alarmNotified with a general alarm• Evacuated from the areaEvacuated from the area

Be aware of fire hazards when Be aware of fire hazards when exposed to flame, heat, oxidizersexposed to flame, heat, oxidizers

6c

Emergency proceduresEmergency procedures Keep fire extinguishers and quick-Keep fire extinguishers and quick-

drenching facilities availabledrenching facilities available

Fight fires with Fight fires with carbon dioxide, dry carbon dioxide, dry chemical, or alcohol chemical, or alcohol foamfoam

6d

Emergency proceduresEmergency procedures Acrylonitrile is considered a Class Acrylonitrile is considered a Class

1B hazard1B hazard• FoamFoam• CO2CO2• Dry chemicalDry chemical• NO water streamsNO water streams

6e

Emergency proceduresEmergency procedures First aid measures include:First aid measures include:

• Flushing eyes with water, lifting the Flushing eyes with water, lifting the eyelidseyelids

• Flushing skin with water, wash with Flushing skin with water, wash with soapsoap

• Moving victim to fresh airMoving victim to fresh air• Giving large quantities of water if Giving large quantities of water if

swallowedswallowed

6f

Emergency proceduresEmergency procedures Get medical attention immediatelyGet medical attention immediately

6g