	Average NO @ 15%O2 			Stdv
	P10      P11      P12      		P10        P11         P12
-----------------------------------------------------------------------------------------------
H20 	0.37	0.95	2.20     		0.052      0.09        0.12
H225    0.58	3.44	4.64			0.057	   0.23        0.09
H240	2.31	3.78	4.51			0.029      0.04        0.10
H260    1.73	3.38	4.63			0.014      0.07        0.07