1
(73) Class 1 chemicals are extremely
extremely
dangerous, can cause blindness,
dangerous
paralysis, or death and should NOT
be used in the photo lab.
An example of a class 1 chemical
is _____________.
Methanol
(74) Class 2 chemicals are corrosives.
(Methyl or
Strong acids and caustic chemicals
wood alcohol)
which will burn, blister, or destroy
skin tissue are class 2 chemicals.
Corrosives such as strong acids and
caustic chemicals are ____________
___ _ _ _ _ _ _ _ _ chemicals.
class 2
(75) Class 2 chemicals can cause severe
damage to eye and skin tissue.
Every precaution should be taken to
prevent class 2 chemicals from
splashing into the eyes or making
contact with the skin.
(NO RESPONSE REQUIRED)
(76) Allergy producers, such as
phenylenediamine, mono-methylamine
phenol, hydroquinone, sodium
bisulfite, sodium borate, and sodium
sulfate are listed as class 3
chemicals.
Allergy producers are class ______
chemicals.
3
(77) Solvents are listed as class 4
chemicals and should be regarded
as poisonous. When working with
solvents, good exhaust venting and
forced ventilation are a MUST.
Class 4 chemicals should be
regarded as _______ and used ONLY
with a good ventilation.
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