15protecting and preserving health at work while handling chemicals in an industrial setting, dr. r....
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Protecting and Preserving health at work while handling chemicals in an
Industrial setting
Dr.R.Kailasam
Date : 30th Oct. 2015
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Chemical Hazard
Potential to cause harm
Classification:
- Aromatic & Aliphatic
- Target organ dysfunction
- Toxidromic approach
Benefits Vs Risks
TLV concept 2
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Significance
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• All have occupations
• All Occupations have hazards
• All hazards are preventable and controllable
• Rarely treatable
• Individual & productivity suffers
• Love thy Occupation
• Where are those occupation ?
Mineral Lung Disorder
Industrial Outlook
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Physical Chemical Biological Ergonomic Psycho-social
Noise Dusts Insects Posture Worry
Vibration Fumes Mites Movement Work
pressure
Ionizing radiation
Fibers Moulds Repetition Monotony
Non-ionizing
radiation Liquids Yeasts
Illumination and Visibility
Unsocial hours
Heat Mists Fungi
Cold Gases Bacteria
Extremes of pressure
Vapors Viruses
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Hazards
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Routes of Entry
Inhalation - OCCUPATIONAL RESPIRATORY DISEASE
Ingestion
Skin and Mucous membrane - OCCUPATIONAL DERMATITIS
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Hierarchy of Control
Source
Medium Recipient
Environment
• Elimination
• Substitution
• Barrier
• Containment
• PPE
• Bio-monitoring
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Zero Harm
Workplace monitoring
Individual dozimetry
Hazard specific medical evaluation
Organ function assessment
Early detection
Restoration of Health
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Specific exposure group - Awareness
• Unknown Hazard – Unknown Workers
- Pesticides, antibiotics , heavy metals
• Known Hazard – Unknown Workers
- Induction and Training
• Known Hazard – Known Workers
- Monitoring
• Unknown Hazard – Unknown Workers
- Hazard interaction, Explosive, Inflammable
Chemical Hazard life cycle Continues …
Paradox
• Knowledge
• Training
• Right PPE for the right job – Appropriate PPE usage
Hazard ?
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Chemical Handling
Transport Emergency (TREM) Card
Specialized Training
Material Safety Data Sheet (MSDS)
- Vernacular language
- PEP talks, Job Safety Analysis (JSA), Hazard Identification & Risk Analysis
(HIRA)
Appropriate training & PPE usage
Storage of Chemicals
- Proper labeling (Pictorial) / Standard Operating Procedure (SOP)
Emergency Measures
- Chemical Inventory and Antidotes
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Case Vignettes
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Pain Abdomen
Hgic Pancreatitis
Caecoplasty
Appendisectomy
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Metal Fume Fever
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Porphyria – Welding fumes
• Disease (or) Drug Induced / Partly Treated
Early Parkinson’s Disease
• Anti depressant
• Manganese, Copper
Mercury
• Leprosy
Ataxia
• Acoustic Neuroma
Chemical Hazard
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Acoustic Neuroma
History of exposure alone is inadequate for diagnosing an
Occupational Disease
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Anaemia
• Asymptomatic Healthy Male Scientist (R&D)
• Ignorant Bottom Loss
• Hidden Hypo Thyroid
Absence of an evidence of Disease is not an evidence for its absence
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Acid Burns
H2SO4 burn HF burn
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Diphoterine Kit
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Diphoterine Kit
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Toxicology concerns the potential of chemicals to produce
adverse effects in the body.
“It is the dose that makes the poison”
The hazard of a given substance is related to
A. its absolute toxicity
B. its physico-chemical properties
C. circumstances of use-concentration,
D. length of exposure,
E. body area exposed.
F. Bio-variability
Toxicology
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Endocrine System
Shift Work ----- Circadian Dysrhythmia Drugs ----- Hormones, Pharmaceuticals
• Anaesthetic gas
• Lead, Mercury, Arsenic, Carbon Disulfide, Cadmium
• Radiation, Heat
• Fertility, Torch, Menstrul Disorder, Con. Malformations,
Low Birth Weight
Asbestos, Carbon-Monoxide – Cross the Placenta
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Training at medical school - Orientation
- Life is a learning process; Learning is a life long process
Cause ? effect ? Why Why analysis ?
- History of exposure to chemicals alone is inadequate
Bio variability matters
- Evidence beyond doubt
Expect the Unexpected
Learnings
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“ And in the end if that the work man
shall live to enjoy the fruits of his
labour, that his mother shall have
the comfort of his arm in her age,
that his wife shall not be untimely
a widow, that his children shall
have a father and that cripples
and hopeless wrecks who were
once strong men shall no longer
be the bye-products of industry”
Prayer
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Thank you