Transcript Solvents - the Mining Quiz List

Solvents
Some common solvents
 Charcoal
lighter fluid,
 Windshield washer fluid,
 Paint,
 Household cleaners,
and even
 Water!
1a
Use of solvents
 Cleaning
 Degreasing
 Removing
paint, ink,
or other coatings
1b
Use of solvents
 Producing
adhesives, paints,
inks, coatings, varnishes,
and other sealers
 Solvents
with
we work
1c
How to recognize
solvents
 Usually
liquid
 Many
are colorless
 Most
have a strong odor
 Some
evaporate quickly
2a
How to recognize
solvents
 Always
label
check the container’s
2b
Chemistry of solvents
 Solvents
are used to dissolve
something else
 Like
dissolves like
 How
electron are distributed is
called polarity
3a
Chemistry of solvents

Polar solvents:
• Water
• Ketones
• Alcohols

Non-polar solvents:
• Oils
• Petroleum distillates
• Many chlorinated solvents
3b
Chemistry of solvents
 Always
use the solvent
specified for the job
 Why
we use certain solvents
3c
Health hazards
 Routes
of entry include:
• Breathing the vapors,
• Direct contact, and
• Ingestion if you are eating or
drinking while using the solvents.
4a
Health hazards: Acute
effects
 Dizziness
 Nausea
 Irritation
 Dryness
 Itching
 Dermatitis
4b
Health hazards: Chronic
effects
 Chronic
target:
•
•
•
•
•
•
diseases typically
Skin,
Liver,
Kidneys,
Circulatory system,
Reproductive system, and
Nervous system.
4c
Health hazards
 Check
the MSDS
 Health
hazards of
the solvents
we use
4d
Physical hazards

Combustible

Flammable

Check the MSDS

Physical hazards of the solvents we
use
5
Engineering controls
that reduce exposures
 Ventilation
 Automated
equipment
chemical transfer
 Engineering
controls we use
6
Personal protective
equipment (PPE)
 See
solvent’s MSDS for PPE
recommendations
 Employer
PPE
 Types
selects appropriate
of PPE we use
7
Safe work procedures
 See
solvent’s MSDS for safe
handling information
 Take
appropriate fire prevention
precautions
 Use
only the amount needed
8a
Safe work procedures
 Dispense
spills
 Be
carefully to avoid
cautious about skin contact
 Follow
all job-specific work
procedures
8b
Safe storage procedures
 See
solvent’s MSDS for safe
storage information
 Solvents
may need to be stored
separately from other materials
 Storage
areas should be well
ventilated
9a
Safe storage procedures
 Rough
handling can lead to
dangerous leaks
 Inspect
containers for damage
prior to use
 Report
suspected damage,
contamination, or leaks
9b
Proper clean-up and
disposal
 Emergency
releases should be
handled by a specially trained
Hazmat team
 Waste
solvents need to be
collected in proper containers
10
First aid and emergency
procedures
 Refer
to the MSDS for first aid
and emergency information
 Always
follow our company’s
specific procedures
for emergency
response and first aid
11