125
Table 3.10 Hierarchy of controlling ailment due to environmental factors
Hierarchy of control
Causative agent
Occupational hazard
Pollutants
Vectors
Wildlife
Virus/microorganism/pathogen
Elimination/substitution
Eliminate/substitute hazardous
technology/procedure/substance
Elimination
of pollution
source;
substitution
with less
hazardous
material
Elimination of
vectorbreeding
places
Avoid
wandering in
region with
wildlife; avoid
development
project in
wildlife
habitat
Destroy material contaminated with
virus/microorganism/pathogen
Control
Provide barricade, building,
automation
Treat
polluted
stream
Spray
insecticide
Use crackers
to threaten
wildlife
Immunization
Administrative control
Awareness, training, legislation, signage, planning, impact assessment
Personal protective
equipment
Respirator, mask, cloth, slipper, shoe,
goggle
Cloth,
slipper, shoe,
goggle
Use mosquito
net/repellent
Gum boots,
vehicle with
protection
Respirator, mask, cloth, slipper, shoe,
goggle
3 Fundamentals of Biology for Environmental and Medical Professionals