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Certification Test

Check as many answers as apply for each question below, and click "submit" when the test is complete.

1. Vapor Lock will improve

2. Notify SPG to attend job site at least____ Days in advance

3. Ideally Vapor Lock should be added with the head water.

4. If Vapor Lock is tail loaded mix for 7 minutes or minimum 50 revolutions

5. Notify SPG in the event

6. Vapor Lock reacts in similar chemical fashion to supplementary cementious materials such as flyash and slag

7. Vapor Lock concrete admixtures