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Question
51. Which of the following is subject to periodic updating or changes as published by the American Council of Governmental Industrial Hygienists (ACGIH)?a. TLVs
b. PELs
c. Als
d. STELs
Answer
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Related questions
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UEL: 7.8%
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UEL: 7.8%
VAPOR DENSITY: 2.48
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