Under NSC Standard 9, what is the limit for Cycle 1 (7-day cycle) for commercial drivers in Canada?

1. No more than 60 hours of on-duty time in 7 days
2. No more than 70 hours of on-duty time in 7 days
3. No more than 80 hours of on-duty time in 7 days
4. No more than 120 hours of on-duty time in 7 days