Laserfiche WebLink
<br /> <br /> ~• i <br /> <br /> ' ~'~ ~ , . _ rti , <br />• 2 in /sec <br /> <br /> <br /> i <br /> <br />0 7 ~ / e ' <br /> <br /> <br /> <br /> ~ , <br /> <br />-, ~ i <br /> i <br />_, i <br />~ <br />~ ~ <br />,. <br />~ <br />' ~ ~ <br />i - <br />' <br /> ~ , <br /> <br />~: <br />=Blast Vibration ~F~equency, H~ <br />-, ~ ~ .. <br />'.Figure 12. (Figure 1. in OSMRE Regulations) <br />~. Alternative Blasting Level Criteria. <br />,. <br />24 <br />