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One post per day to learn about occupational health

2015-09-23View Original

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This post was last edited by hanyu*a8 on 2015-9-23 06:09. When the exposure concentration exceeds the PC-TWA and reaches the PC-STEL level, the duration of a single exposure should not exceed (), the number of exposures per workday should not exceed (), and the interval between successive exposures should not be shorter than (). A 10 B 15 C 4 D 60
Reply #22015-09-23
A, C, D: When the exposure concentration exceeds the PC-TWA and reaches the PC-STEL level, the duration of a single exposure session should not exceed (15 minutes), the number of exposures per workday should not exceed (4) times, and the interval between consecutive exposures should be no less than (60 minutes).
Reply #32015-09-23
When the exposure concentration exceeds the PC-TWA and reaches the PC-STEL level, the duration of a single exposure session should not exceed (15 min), the number of exposures per workday should not exceed (4) times, and the interval between consecutive exposures should not be less than (60 min). A 10 B 15 C 4 D 60
Reply #42015-09-23
B, 15 minutes---------C, 4 times-----------D, 60 minutes
Reply #52015-09-23
When the exposure concentration exceeds the PC-TWA and reaches the PC-STEL level, the duration of a single exposure should not exceed (B), the number of exposures per workday should not exceed (C), and the interval between successive exposures should not be shorter than (D)
Reply #62015-09-23
When the exposure concentration exceeds the PC-TWA and reaches the PC-STEL level, the duration of a single exposure session should not exceed (15 minutes), the number of exposures per workday should not exceed (4) times, and the interval between consecutive exposures should not be less than (1 hour). A 10 B 15 C 4 D 60
Reply #72015-09-23
B (15 minutes) C (4 minutes) D (60 minutes)
Reply #82015-09-23
When the exposure concentration exceeds the PC-TWA and reaches the PC-STEL level, the continuous exposure time per session should not exceed (B), the number of exposures per workday should not exceed (C), and the interval between successive exposures should not be shorter than (D). A 10 B 15 C 4 D 60
Reply #92015-09-23
B 15 C 4 D 60 ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
Reply #102015-09-23
B 15 C 4 D 60
Reply #112015-09-23
15 minutes for the first blank, 4 times for the second blank.

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Translated at 2026-07-21 01:38:15

Original: https://bbs.hcbbs.com/thread-1450449-1-1.html

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