	Average CO2 %			
	P10      P11      P12      	
----------------------------------
H20 	7.11	7.87     8.64				
H225    6.47	7.18	 8.00				
H240	6.04	6.63     7.25    			
H260    5.10	5.60	 6.15 				
H280	3.52 	3.87	 4.25				
H2100	0.00 	0.00	 0.00				