1,3- butadiene. 1,3-butadiene (bd) in our workplace v where and how bd is used v how it is stored v...
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1,3-Butadiene (BD) in our 1,3-Butadiene (BD) in our workplaceworkplace
Where and how BD is usedWhere and how BD is used
How it is storedHow it is stored
Potential for it to Potential for it to be releasedbe released
1
BD’s physical hazardsBD’s physical hazards
Flammable gasFlammable gas
Explosive peroxidesExplosive peroxides
Fire hazard when exposed to heat, Fire hazard when exposed to heat, flame, or strong oxidizersflame, or strong oxidizers
Release of toxic gases such as carbon Release of toxic gases such as carbon monoxide during a firemonoxide during a fire
2
BD’s health hazardsBD’s health hazards
Exposure from inhalation of gas or Exposure from inhalation of gas or contact with liquidcontact with liquid
Overexposure can cause Overexposure can cause respiratory and eye irritationrespiratory and eye irritation
Contact with liquid BD can cause Contact with liquid BD can cause burns and frostbiteburns and frostbite
3a
BD’s acute (short term) BD’s acute (short term) health hazardshealth hazards
Central nervous system effectsCentral nervous system effects Blurred visionBlurred vision NauseaNausea FatigueFatigue HeadacheHeadache Decreased blood pressureDecreased blood pressure Decreased pulse rateDecreased pulse rate UnconsciousnessUnconsciousness
3b
BD’s chronic (long term)BD’s chronic (long term)health hazardshealth hazards
Cancers of the Cancers of the lymphohematopoietic systemlymphohematopoietic system
LymphomaLymphoma LeukemiaLeukemia Potential reproductive toxicityPotential reproductive toxicity
3c
OSHA regulation of 1,3-OSHA regulation of 1,3-ButadieneButadiene
Written hazard communication programWritten hazard communication program
Informed employeesInformed employees
Labeled containersLabeled containers
MSDSs availableMSDSs available
4a
OSHA regulation of 1,3-OSHA regulation of 1,3-ButadieneButadiene
Time-weighted average (TWA) Time-weighted average (TWA) permissible exposure limit (PEL) is permissible exposure limit (PEL) is 1 part per million (ppm)1 part per million (ppm)
Short-term exposure limit (STEL) is Short-term exposure limit (STEL) is 5 ppm5 ppm
4b
OSHA regulation of 1,3-OSHA regulation of 1,3-ButadieneButadiene
Action level is 0.5 ppm as an 8-Action level is 0.5 ppm as an 8-hour TWAhour TWA
Meeting or exceeding action level Meeting or exceeding action level requires additional standards to be requires additional standards to be followedfollowed
Access to BD Access to BD standardstandard
4c
Material safety data Material safety data sheets (MSDS)sheets (MSDS)
Where they are keptWhere they are kept
What information What information is includedis included
5
Labeling requirements for Labeling requirements for containers of BDcontainers of BD
All BD containers must have All BD containers must have legible labels and contain the legible labels and contain the following informationfollowing information
6
Exposure monitoring to determine Exposure monitoring to determine employee exposuresemployee exposures
Monitoring is required unless objective Monitoring is required unless objective data demonstrates that BD will not be data demonstrates that BD will not be released in levels at or above the action released in levels at or above the action level or above the STELlevel or above the STEL
7a
Exposure monitoring to determine Exposure monitoring to determine employee exposuresemployee exposures
Affected employees and their Affected employees and their representatives have the right to representatives have the right to observe any exposure monitoringobserve any exposure monitoring
Affected employees must be Affected employees must be informed of monitoring results informed of monitoring results within 5 working days of receiptwithin 5 working days of receipt
7b
Exposure monitoring to determine Exposure monitoring to determine employee exposuresemployee exposures
Within 15 working days of receipt of Within 15 working days of receipt of results, employees must be informed of results, employees must be informed of the corrective actions being taken to the corrective actions being taken to reduce any exposures to below the PEL reduce any exposures to below the PEL or STELor STEL
7c
Engineering controls limit Engineering controls limit exposure to BDexposure to BD
Examples of engineering controls Examples of engineering controls used in our workplaceused in our workplace
8
Work practices and Work practices and proceduresprocedures
Never eat, drink, or smoke where Never eat, drink, or smoke where BD is used, stored, or handledBD is used, stored, or handled
Do not keep food, beverages, or Do not keep food, beverages, or smoking materials in these areassmoking materials in these areas
9a
Proper storage and Proper storage and handlinghandling
Tightly close cylinders and Tightly close cylinders and containerscontainers
Protect cylinders from damageProtect cylinders from damage
Outside or detached storage is Outside or detached storage is preferredpreferred
Inside storage should be in a cool, Inside storage should be in a cool, dry, well-ventilated, dry, well-ventilated, noncombustible areanoncombustible area
9b
Proper storage and Proper storage and handlinghandling
BD in storage should be checked BD in storage should be checked for proper inhibitor content, for for proper inhibitor content, for self-polymerization, and for self-polymerization, and for formation of peroxides when in formation of peroxides when in contact with air and ironcontact with air and iron
Avoid contact with copper and Avoid contact with copper and copper alloys. Explosive copper copper alloys. Explosive copper compounds can formcompounds can form
9c
Proper storage and Proper storage and handlinghandling
Store away from flammables, Store away from flammables, combustible materials, and combustible materials, and oxidizing materialsoxidizing materials
Store away from sources of ignitionStore away from sources of ignition
Store cylinders verticallyStore cylinders vertically
9d
Work practices and Work practices and proceduresprocedures
All electrical installations and All electrical installations and equipment used in areas where BD is equipment used in areas where BD is present must be rated for a Class I present must be rated for a Class I hazardous locationhazardous location
Waste BD is classified as a hazardous Waste BD is classified as a hazardous waste due to its flammability waste due to its flammability characteristicscharacteristics
Other safe work practices at our facilityOther safe work practices at our facility
9e
Regulated areaRegulated area
An area where the exposure or An area where the exposure or potential exposure to BD exceeds potential exposure to BD exceeds 1 ppm as an 8-hour TWA or 5 ppm 1 ppm as an 8-hour TWA or 5 ppm as a 15-minute STELas a 15-minute STEL
10
Signs posted to mark Signs posted to mark regulated areas regulated areas
Limit entry into regulated areasLimit entry into regulated areas
Prohibit smoking, eating, and Prohibit smoking, eating, and drinkingdrinking
11a
Warn of BD’s potential cancer Warn of BD’s potential cancer hazardhazard
Signs posted to mark Signs posted to mark regulated areas regulated areas
11b
Signs posted to mark Signs posted to mark regulated areasregulated areas
Alert employees that respiratory Alert employees that respiratory protection is required when protection is required when exposure may exceed the PELs for exposure may exceed the PELs for 8-hour TWA or STEL8-hour TWA or STEL
11c
Personal protective equipment (PPE) Personal protective equipment (PPE) requirementsrequirements
Necessary if the use of engineering and Necessary if the use of engineering and work-practice controls does not reduce work-practice controls does not reduce exposure to levels at or below BD’s PELsexposure to levels at or below BD’s PELs
Employees are required to use it Employees are required to use it properlyproperly
Our PPE requirementsOur PPE requirements
12
Respiratory protection Respiratory protection requiredrequired
When exposure exceeds 1 ppm as When exposure exceeds 1 ppm as an 8-hour TWA or 5 ppm as a 15-an 8-hour TWA or 5 ppm as a 15-minute STELminute STEL
During installation or set up of During installation or set up of engineering and work-practice engineering and work-practice controlscontrols
13a
Respiratory protection Respiratory protection requiredrequired
During non-routine, infrequent During non-routine, infrequent operations when exposures are operations when exposures are limited in durationlimited in duration
In operations where engineering In operations where engineering and work-practice controls are not and work-practice controls are not sufficient to reduce exposures to sufficient to reduce exposures to or below the PELsor below the PELs
13b
Respiratory protectionRespiratory protection
Types of respirator we useTypes of respirator we use
Care of respiratorsCare of respirators
13c
When exposure to BD is at or above the When exposure to BD is at or above the action level on 30 or more days a yearaction level on 30 or more days a year
When exposure to BD is at or above the When exposure to BD is at or above the PELs for 10 days or more a yearPELs for 10 days or more a year
Following an emergency situationFollowing an emergency situation
14a
Medical screening and Medical screening and surveillance program schedulesurveillance program schedule
Medical screening and Medical screening and surveillance program schedulesurveillance program schedule
Annual health questionnaire and Annual health questionnaire and complete blood count (CBC)complete blood count (CBC)
Initial physical examination if 12 Initial physical examination if 12 months have elapsed since the last months have elapsed since the last physical conducted as part of a BD physical conducted as part of a BD exposureexposure
14b
Medical screening and Medical screening and surveillance program schedulesurveillance program schedule
Physical examination before assuming Physical examination before assuming duties with BD exposureduties with BD exposure
Every three years after the initial Every three years after the initial physicalphysical
Whenever the physician or licensed Whenever the physician or licensed medical professional reviewing the medical professional reviewing the annual health questionnaire and CBC annual health questionnaire and CBC deem an exam necessarydeem an exam necessary
14c
Upon reassignment to an area where Upon reassignment to an area where BD exposure is below the action level BD exposure is below the action level and employee’s history does not meet and employee’s history does not meet the criteria for continued medical the criteria for continued medical screening and surveillancescreening and surveillance
At termination of employment if 12 At termination of employment if 12 months or more have elapsed since the months or more have elapsed since the last physical examinationlast physical examination
14d
Medical screening and Medical screening and surveillance program schedulesurveillance program schedule
Within 48 hours of an emergency Within 48 hours of an emergency situationsituation
Periodical determination of fitness Periodical determination of fitness to wear respirator and perform the to wear respirator and perform the job when respirators are requiredjob when respirators are required
14e
Medical screening and Medical screening and surveillance program schedulesurveillance program schedule
Medical screening Medical screening componentscomponents
Baseline health questionnaire, Baseline health questionnaire, which is updated annuallywhich is updated annually
Complete physical examination Complete physical examination with special emphasis on the liver, with special emphasis on the liver, spleen, lymph spleen, lymph nodes, and skinnodes, and skin
14f
Medical screening Medical screening componentscomponents
CBCCBC
Tests deemed necessary by the Tests deemed necessary by the examining physician or licensed examining physician or licensed health care health care professionalprofessional
14g
Medical screening written Medical screening written evaluationevaluation
Occupationally pertinent resultsOccupationally pertinent results
A medical opinion on whether BD A medical opinion on whether BD exposure would place the employee’s exposure would place the employee’s health at increased riskhealth at increased risk
Recommended limitations on the Recommended limitations on the employee’s exposure to BDemployee’s exposure to BD
14h
Medical screening written Medical screening written evaluationevaluation
Statement that the employee has Statement that the employee has been informed of the results of the been informed of the results of the medical evaluationmedical evaluation
Retained for the employee’s length Retained for the employee’s length of employment plus 30 yearsof employment plus 30 years
14i
Emergency situationsEmergency situations
Written planWritten plan
EvacuationEvacuation
Emergency Emergency response response dutiesduties
15
First aid proceduresFirst aid procedures
Eye contact – Flush the eyes with Eye contact – Flush the eyes with large amounts of waterlarge amounts of water
Skin contact – Remove all Skin contact – Remove all contaminated clothing and flush contaminated clothing and flush the affected area with the affected area with large amounts of large amounts of warm waterwarm water
16a
First aid proceduresFirst aid procedures
Inhalation – Move the person to Inhalation – Move the person to fresh air immediately (if you can fresh air immediately (if you can do so without endangering do so without endangering yourself).yourself).• If breathing has stopped, summon If breathing has stopped, summon
emergency medical assistance and emergency medical assistance and perform cardiopulmonary perform cardiopulmonary resuscitation (if you are trained)resuscitation (if you are trained)
16b
First aid proceduresFirst aid procedures
In all cases, obtain prompt medical In all cases, obtain prompt medical attention for serious injuriesattention for serious injuries
16c
BD exposure goal programBD exposure goal program
Leak prevention, detection, and Leak prevention, detection, and repairrepair
Maintenance of local exhaust Maintenance of local exhaust ventilationventilation
The use of pump exposure control The use of pump exposure control technologytechnology
17a