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1. Sid Stewart (28/31)
2. Mark Gierke (26/31)
3. michael beitzel (25/31)
4. Doug Driscoll, Sr. (23/31)
5. Richard Williams (22/31)
6. Yasuhiro Karakawa (20/31)
7. Juan I. Ordinas (20/31)
8. Lee Burke (19/31)
9. Douglas Steitz (19/31)
10. Brian Dove (19/31)
11. Destiny Johnson (18/31)
12. Bill Gradisher (18/31)
13. Pierpaolo Bonora (18/31)
14. Dave Heyne (18/31)
15. Roland Peemans (18/31)
16. Beau Ackx (16/31)
17. Alex Hoogesteger (14/31)
18. Mark Anater (13/31)
19. Donald Molinari (13/31)
20. Jeff Rickert (12/31)
THURSDAY, SEPTEMBER 7, 2017
Respirators must be approved by what agency?
NIOSH OSHA UL AGA
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Previous Quizzes from the Past Week
WEDNESDAY, SEPTEMBER 6, 2017 True or False: According to NIOSH, use of personal protective equipment is the least desirable in the hierarchy of hazard controls.
TUESDAY, SEPTEMBER 5, 2017 True or false: Inorganic zinc coatings are very resistant to strong acids.
FRIDAY, SEPTEMBER 1, 2017 True or false: Photographic standards from the International Concrete Repair Institute (ICRI) can be used to judge the degree of surface profile on concrete.
THURSDAY, AUGUST 31, 2017 Concrete can be bruised by what surface preparation method?
WEDNESDAY, AUGUST 30, 2017 An oil-modified polyurethane is sometimes called by what name?
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