Therefore, you may be tempted to choose running shoes for elliptical workouts with the assumption that running shoes will properly protect you from physical impact. However, running shoes are often too stiff for elliptical training, which requires a more flexible sole.
âThe Montreal Protocol puts limits on the production and consumption of ozone-depleting chemicals, creates an administrative scheme to enforce these limits, and requires periodic assessments of these limits.
Phasing Out R-22 Freon. As part of the Montreal Protocol the Environmental Protection Agency has begun a Phase Out program which will lead to a U.S. ban on all ozone depleting substances. The targeted ozone depleting substances include all HCFC freon refrigerants; commonly referred to as HCFC-22 (R-22), and HCFC-142.