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TRANSCRIPT
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Dr. PRAVEEN KUMAR DODDAMANIASST. PROFESSOR
DEPT. OF MICROBIOLOGYMEDICITI INSTITUTE OF MEDICAL SCIENCES,
Medchal , R.R.dist AP(Hyderabad)
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Contents
Introduction
Definition
WHO statistics
Components
Hazards
Rules and penalties BMW 1998
Management
conclusion
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INTRODUCTION
• Medical care – vital in our life and health.
• BMW -emerged as issue of concern world over.
• BMW real problem for
MAN, COMMUNITY,& ENVIRONMENT
• Safe scientific cost effective methods BMW management – need of hour.
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WASTES
Wastes
Solid wasteLiquid Waste
Gaseous Waste
• Household waste
• Industrial waste
• Biomedical waste or hospital waste
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What is Bio-medical waste ??
Definition
Waste generated during the diagnosis,
testing, treatment, research or production
of biological products for humans or
animals (WHO)
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• WHO estimates
85% of hospital waste is non-hazardous
10% is infectious
5% is non-infectious.
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Non-Infectious waste, 80%
Pathological and Infectious
waste, 15%Chemical and
Pharmaceutical waste, 3%
Sharps, 1%
Radioactive,Cytotoxic and heavy metals,
1%
Bio-Medical Wastes
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WHO has estimated that
In year 2000
• injections with contaminated syringes caused:
• 21 million hepatitis B virus (HBV)
infections (32% of all new infections);
• Two million hepatitis C virus (HCV)
infections (40% of all new infections);
• 260 000 HIV infections (5% of all new)
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Developed Countries- 1-5 kg/bed/day, with variationsamong countries.
In India-1-2 kg/bed/day with variation among
Govt. and Private establishments.
Approximately 506.74 tons/ day wastes generated
Out of which only 57% waste undergoes proper disposal
Biomedical waste Statistics
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Sources of Bio-Medical Waste
Major Sources
Hospitals
Labs
Research centers
Animal research
Blood banks
Nursing homes
Mortuaries
Autopsy centers
Minor sources
Clinics
Dental clinics
Home care
Cosmetic clinics
Paramedics
Funeral services
Institutions
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WHO IS AT RISK??
Sanitation workers
Medical & Paramedical staff
Patients & attenders
11/7/2014 Biomedical Waste (BMW) Management 13
Public
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Need of BMW Management in Hospitals???
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Small amount of infectious waste generated during patient care can make non-infectious to infectious
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Hazardous health care waste can result in
1. Infection
2. Genotoxicity and Cytotoxicity
3. Chemical toxicity
4. Radioactivity hazards.
5. Physical injuries
6. Public sensitivity.
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Infection
The infectious agents enter into the body
through
Puncture Abrasion Cut in the skin Through mucous membranes By inhalation and ingestion.
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Most Common Infections
1. Gastro enteric through faeces and/or vomit
e.g. Salmonella, Vibrio Cholera, Helminthes
Hepatitis A
2. Respiratory through inhaled secretions
e.g. Mycobacterium tuberculosis; Measles virus;
Streptococcus pneumoniae
3.Ocular infections through eye secretions
e.g. Herpes virus,
4. Skin infection through pus
e.g. Streptococcus spp ,
5. Meningitis through Cerebrospinal fluid
e.g. Neisseria meningitides
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Most Common Infection Cont.
6. Blood borne diseases• AIDS
• Septicaemia and bacteraemia
• Viral Hepatitis B & C
7. Hemorrhagic fevers through body fluids • Lassa, Ebola and Marburg viruses
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PROBLEM ASSOCIATED WITH BMW
ORGANISM DISEASES CAUSED RELATED WASTE ITEM
VIRUSESHIV, Hepatitis B, Hepatitis A,C,
Arboviruses, Enteroviruses
AIDS, Infectious Hepatitis,Infectious Hepatitis,Dengue, Japaneseencephalitis, tick-bornefevers, etc.
Infected needles, bodyFluids, Human excreta, soiledlinen, Blood, body fluids.
BACTERIASalmonella typhi, Vibrio cholerae, Clostridium Tetani, Pseudomonas, Streptococcus
Typhoid, Cholera, TetanusWound infections,septicemia, rheumaticfever, endocarditis, skinand soft tissue infections
Human excreta andbody fluid in landfills andhospital wards, Sharps such as needles, surgical blades inhospital waste.
PARASITESWucheraria Bancrofti, Plasmodium
Cutaneous leishmaniasis,Kala Azar, Malaria
Human excreta, blood andbody fluids in poorlymanaged sewage system ofhospitals.
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Genotoxicity and Cytotoxicity
• Irritant to skin and eyes
E.g. alkylating agent, intercalating agent
• Carcinogenic and Mutagenic
e.g. Secondary neoplasia due to chemotherapy
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Chemical Toxicity
• Many drugs are hazardous
• May cause intoxication , burns, poisoning on
exposure
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Radioactivity HazardsRadioactive waste exposure may cause headache, dizziness,
vomiting, genotoxicity and tissue damage
Visual impact of the anatomical waste, recognizable body parts
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Physical injuries
• Sharps
• Chemicals
• Explosive agents
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Waste with high content of heavy metals
Blood pressure guages26
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Gas cartridges
Gas cylinders
Aerosol
PRESSURISED CONTAINERS
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Waste Sharps eg: Needles
Human anatomical waste
Discarded medicines
Solid waste eg: cotton swabs
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Blood bags found in the municipal waste stream in violation of rules for such waste.
Hospital waste disposal
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How did BMW come into Existence
• In the late 1980’s
– Items such as used syringes washed up on several East Coast beaches USA
– Concern about HIV and HBV virus infection
– Lead to development of Biomedical Waste Management Law in USA.
• However in India the seriousness about the management came into lime light only after 1990’s.
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LEGISLATION
• Recognizing the deadliest nature of the Bio-Medical
Waste, the Government and Pollution Control
Boards under the guidelines of Ministry of
Environment and Forests(MOEF).
• MOEF have promptly designed and issued
guidelines to the hospitals to ensure a proper and
safe disposal of bio-medical waste
• “BIO-MEDICAL WASTE Management & Handling
RULE 1998 came into effect.
• Provides uniform guidelines and code of practice for Bio-
medical waste management.
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Biomedical WasteManagement and Handling Rules, 1998
[Amended in 2000]• These rules apply to all persons who generate,
collect, receive, store, transport, treat, dispose or handle bio-medical waste in any form. All Institutions generating BMW must take all steps to ensure that such waste is handled without any adverse effect to human health and the environment
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PENALTIES AS PER RULES
• The PENALTIES are as specified in Environment (Protection) Act 1986.
• Imprisonment for upto five years with fine upto one lakh rupees, or both.
• In case the failure additional fine upto five thousand rupees for every day.
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Bio-Medical Waste Disposal Cycle
Common Facility
(Transportation, Treatment
And Disposal)
Legislation
(BMW Rule)
Implement ting Authority
Waste Generator
(Hospitals)
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Bio-Medical Waste Flow Chart
In House Segregation(Collection, Segregation Packing
in Color Coded Poly Bags)
Common Storage Point
At
Hospitals
Transportation (Approved Special Vehicle)
Unloading and Temp
Storage at CBWTF
Treatment(Incineration, Autoclaving
and Shredding)
Disposal
( Recycling & Landfill)
Waste Water
to ETP
Re Use
Generator
(HOSPITALS)
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36
WASTE
CATEGORYTYPE OF WASTE
TREATMENT AND
DISPOSAL OPTION
Category No. 1 Human Anatomical Waste (Human tissues, organs, body parts)Incineration@ / deep
burial*
Category No. 2
Animal Waste
(Animal tissues, organs, body parts, carcasses, bleeding parts,
fluid, blood and experimental animals used in research, waste
generated by veterinary hospitals and colleges, discharge from
hospitals, animal houses)
Incineration@ / deep
burial*
Category No. 3
Microbiology & Biotechnology Waste (Wastes from laboratory
cultures, stocks or specimen of live micro organisms or
attenuated vaccines, human and animal cell cultures used in
research and infectious agents from research and industrial
laboratories, wastes from production of biologicals, toxins and
devices used for transfer of cultures)
Local autoclaving/
microwaving /
incineration@
Categories of Biomedical Waste Schedule as per WHO Standard
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Category No. 4
Waste Sharps (Needles, syringes, scalpels,
blades, glass, etc. that may cause puncture and
cuts. This includes both used and unused
sharps)
Disinfecting (chemical
treatment@@ / autoclaving /
microwaving and mutilation /
shredding
Category No. 5
Discarded Medicine and Cytotoxic drugs
(Wastes comprising of outdated, contaminated
and discarded medicines)
Incineration@ / destruction
and drugs disposal in secured
landfills
Category No. 6
Soiled Waste (Items contaminated with body
fluids including cotton, dressings, soiled plaster
casts, lines, bedding and other materials
contaminated with blood.)
Incineration@ / autoclaving /
microwaving
Category No. 7
Solid Waste (Waste generated from disposable
items other than the waste sharps such as
tubing, catheters, intravenous sets, etc.)
Disinfecting by chemical
treatment@@ / autoclaving /
microwaving and mutilation /
shredding# #
Categories of Biomedical Waste Schedule as per WHO standards Cont….
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Category No. 8
Liquid Waste (Waste generated from the
laboratory and washing, cleaning, house
keeping and disinfecting activities)
Disinfecting by chemical
treatment@@ and discharge
into drains
Category No. 9Incineration Ash (Ash from incineration of
any biomedical waste)Disposal in municipal landfill
Category No.10
Chemical Waste (Chemicals used in
production of biologicals, chemicals used
in disinfecting, as insecticides, etc.)
Chemical treatment @@ and
discharge into drains for liquids
and secured landfill for solids.
Categories of Biomedical Waste Scheduleas per WHO standards cont….
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COLOR WASTE TREAT
Yellow Human & Animal anatomical waste / Micro-biology waste and soiled cotton/dressings/linen/beddings etc.
Incineration/DB/
Red Tubings, Catheters, IV sets. Autocl/microwav/chemical treatment
Blue / White
Waste sharps( Needles, Syringes, Scalpels, blades etc. )
Autocl/microwav/chemical treatment/destruction/shredding
Black Discarded medicines/cytotoxic drugs,Incineration ash, Chemical waste.
Disposal in land fields
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2011
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Awareness of BMW Management and treatment among HCW
Study subjects Total Aware (%)
Doctors 56 43 (76.8)
Interns 65 25(38.5)
Nurses 83 68(81.9)
Technicians 44 12(27.3)
Attenders 78 23(29.5)
House keeping staff 57 11(19.3)
Source:International Journal for Basic Medical Science
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1. Survey of waste generated
2. reduction at source .
3. Segregation of hospital waste.
4. Collection & Categorization of waste.
5. Storage of waste.
6. Transportation of waste.
7. Treatment of waste.
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If you are not measuring
it, you are not managing it.
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Source Reduction
• Source Reduction - ways to lessen the amount of material
– Segregation - keeping noninfectious waste out of the infectious waste stream
– Minimization - reduce or eliminate waste at the source
– Engineering controls - methods to reduce quantity of waste(smaller containers)
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Steps to Manage Hazardous Wastes before Disposal
1. Know what hazards you have.
2. Purchase smallest quantity needed, and don’t purchase hazardous materials if safe alternative exists
**Use mercury-free thermometers
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Steps to Manage Hazardous Wastes (cont..)
3. Limit use and access to trained persons with personal protective gear
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4. Use Engineering Controls such as Ventilation, Hoods for Select Hazards
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5. Get Rid of Unnecessary Stuff
• Don’t accumulate unneeded products
• Don’t let peroxides and oxidising agents turn into bombs
5: Managing Medical Waste Slide 48
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6. Label of Hazard Warnings
toxic
biohazard
inflammable
corrosiveRadiation
Gas bottle explosive
Health danger
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7. Communicate about Work -placeHazards
• Job description
• Posters on doors
• Labels on hazards
• Give feedback on use of PPE and disposal in evaluation
• Role model safe use and disposal
• Contact point who is responsible
5: Managing Medical Waste Slide 50
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LABEL FOR BIO-MEDICAL WASTE CONTAINERS/BAGS
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8. Recycle Products When Possible
5: Managing Medical Waste
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Segregation of waste
At the point of generation
In a color coded leak-proof container
Container should bear 'Biohazard' symbol and
appropriate wording
Container should never be completely filled
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Segregation of waste should be
observed strictly
To avoid mixing of general (non-infectious) waste
into infectious waste. Once mixed, becomes
infectious and should not be removed.
To reduce infectious waste
To decrease expenditure on disposal of infectious
waste
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COLOR WASTE
Yellow Human & Animal anatomical waste / Micro-biology waste and soiled cotton/dressings/linen/beddings etc.
Red Tubings, Catheters, IV sets.
Blue / White
Waste sharps( Needles, Syringes, Scalpels, blades etc. )
Black Discarded medicines/cytotoxic drugs,Incineration ash, Chemical waste.
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Microbiological waste
Autoclaving
Final disposal as a general waste- Black Bag
Wastes requiring pretreatment before disposal
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WASTE
•Tubes used for serum separation, centrifugation of samples,
preparation of dilutions etc.
sample cups ,Tips , Caps.
Any other contaminated plastic wares
Sodium hypochlorite
Method: Chemical Disinfection
Pretreatment before disposal Cont…
Final Disposal- Blue bag
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-Frequency of changing of Na hypochlorite solution-Daily
Who prepares the solution?
-Technical person. A trained housekeeping person can do
preparation under observation.
Disposal of liquid and solid
-Liquid: Pour into drain with running tap
- Solid: Blue bag
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Yellow bagContaminated gloves; latex & plastic(Uncontaminated – general
waste)
Contaminated tissue /blotting papers
Contaminated cotton
Human tissue/organs
White sharp disposal containerBroken glass, pipettes, broken test tubes,
Needles, razor blade, scalpel
Waste disposed without pretreatment
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Attention !!
Do not allow the containers to overfill
Arrange containers near the operation area at accessible
distance
Ensure that the disposed item is inside the container and
not hanging at the edge
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PACKAGING & LABELING:
• Bags 3/4th filled should be tied,
• be supervised Name of Ward,
• Date of Packaging,
• Destination (Treatment Site)
• Bio Hazard/Cytotoxic Symbol
• Weighing & Recording
• Separate Register and Weighing Machine
• Daily recording is mandatory
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Bad Practice -Storage:
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Collection, transportation, storage (within the hospital)
• Waste collected and stored in thick non-corrosive disposable
plastic bags or containers of specific colour code.
• The waste in bags or containers should be stored in a
separate area, room, or building of a size appropriate to the
quantities of waste produced and the frequency of
collection.
• Health care waste should be transported within the hospital
or other facility by means of hand cart wheeled trolley .
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LABEL FOR TRANSPORT OF BIO-MEDICAL WASTE CONTAINERS/BAGS
• Date of generation ...................• Waste category No ........• Waste class……………• Waste description………….• Sender's Name & Address………..
Contact Person…………..• Receiver's Name & Address………
Contact Person…………..
• In case of emergency please contact,Name & address……….
Label shall be non-washable and prominently visible.
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TRANSPORTATION
• Transportation of BMW can be divided into internal and external transportation.
• INTERNAL: it is for yellow ,red ,blue and white bags.
• EXTERNAL: it is for the general waste collected in the black coloured plastic bags.
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Safe TransportationREGISTERED, AUTHORIZED, BMW TRANSPORTERS
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Do you have a bio-spill kit?
Container of undiluted household bleach Several pairs of gloves Safety glasses Absorbent material Biohazardous waste (autoclave) bags
Dust pan & scoop or tongs for broken glass
Place in a labeled bag or bucket and keep in areas where biohazards are used
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DISPOSAL METHODS OF BIO-MEDICAL WASTES
• Incineration• Chemical disinfection• Inertisation• Autoclave• Encapsulation• Microwave• Shredder• Plasma pyrolysis• Deep burial
• G.J multiclave Ltd is external agency managing final disposal in this zone.
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BMW RULES 2011 v/s 19982011 1998
Every occupier generating BMW,
irrespective of the quantum of wastes
comes under the BMW Rules and
requires to obtain authorisation
Occupiers with more than 1000 beds
required to obtain authorisation
Duties of the operator listed Operator duties absent
Categories of Biomedical Waste
reduced to Eight
Biomedical waste divided in ten
categories
Treatment and disposal of BMW
made mandatory for all the HCEs
Rules restricted to HCEs with more
than 1000 beds
A format for annual report appended
with the Rules
No format for Annual Report
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ACCIDENT REPORTING
• 1. Date and time of accident:• 2. Sequence of events leading to accident• 3. The waste involved in accident :• 4. Assessment of the effects of the
accidents on human health and the environment,.
• 5. Emergency measures taken• 6. Steps taken to alleviate the effects of
accidents• 7. Steps taken to prevent the recurrence of
such an accident
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ANNUAL REPORT
• To be submitted to the prescribed authority by 31 January every year
• Name of the occupier with Address
• Categories of waste generated and Quantity [monthly average] basis:
• Name of treatment facility with Address
• Category-wise quantity of waste treated
• Mode of treatment with details:
• Any other information
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STAFF SAFETY
• Proper training
• Personal protective clothing and equipment
• Immunization
• Post-exposure prophylaxis
• Medical surveillance
• Personal hygiene
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Responsibility
Infection control is everyone's business.
You are not only protecting yourself, but
also those around you
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Conclusion Thus refuse disposal cannot be solved without public
education.
Individual participation is required.
Municipality and government should pay importance to
disposal of waste economically.
Thus educating and motivating oneself first is important
and then preach others about it.
PPE does not replace proper procedures and techniques,
consider all as hazard.
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Our’s is a
Beautiful Planet…Let us save together…
Lets Make This World A Better Place to Live in.
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THANK YOU
• References:
• MOEF guidelines INDIA
• BMW(management & handling) RULES 1998
• WHO guidelines & CDC guidelines
• Current world environment journal-Need for BMW management system vol 7,2012.