(73) Class 1 chemicals are extremely
dangerous, can cause blindness,
paralysis, or death and should NOT
be used in the photo lab.
An example of a class 1 chemical
(74) Class 2 chemicals are corrosives.
Strong acids and caustic chemicals
which will burn, blister, or destroy
skin tissue are class 2 chemicals.
Corrosives such as strong acids and
caustic chemicals are ____________
___ _ _ _ _ _ _ _ _ chemicals.
(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
phenol, hydroquinone, sodium
bisulfite, sodium borate, and sodium
sulfate are listed as class 3
Allergy producers are class ______
(77) Solvents are listed as class 4
chemicals and should be regarded
as poisonous. When working with
forced ventilation are a MUST.
Class 4 chemicals should be
regarded as _______ and used ONLY
with a good ventilation.