43.CO2 bottle specifications

What are the requirements of CO2 bottles 

1. All bottles stamped at 52 bar pressure.
2. Bursting disc fitted, operates at 177~ 193 bar at 63 °C
3. Store in temperature less than 55 °C
4. Recharge if 5 % loss.
5. Clamped against movement and vibration(by wooden plank).
6. Remote and manual operation possible.
7. Hydraulically tested to 228 bar.
8. Level tested (by radio active level indication).
9. if > 10 years internal and external examination required.