Basic Analysis

	Most Recent: Mar. 1, 2013	Five Year Average	Jan. 2, 2013	Dec. 2, 2012	Nov. 1, 2012	Oct. 1, 2012	Sep. 1, 2012
Density (kg/m3)	679.7	675.1 ± 4.4	669.9	680.9	674.0	678.9	672.2
Gravity (oAPI)	76.5	77.9 ± 1.4	79.5	76.1	78.3	76.7	78.8
Sulphur (wt%)	0.02	0.03 ± 0.01	0.02	0.02	0.02	0.02	0.02
MCR (wt%)	ND	ND	ND	ND	ND	ND	ND
Viscosity (cSt)	0.55	0.53 ± 0.02	0.51	0.55	0.52	0.53	0.51
RVP (kPa)	80.1	81.3 ± 4.4	85.1	86.0	86.9	80.0	84.5
Sediment (ppmw)	ND	16 ± 26	24	23	ND	ND	ND
Organo-Phosphates (ppmw)	-	7.1 ± 6.7	-	ND	-	-	10.7
Oxygenates (mass%)	-	ND	-	ND	-	-	ND

Trace Sulphur (mass ppm)

	Most Recent: Mar. 1, 2013	Five Year Average	Jan. 2, 2013	Dec. 2, 2012	Nov. 1, 2012	Oct. 1, 2012	Sep. 1, 2012
Volatile Mercaptans (mass ppm)	10.1	18.7 ± 13.1	0.5	1.0	14.9	25.3	13.9
C7- Mercaptans (mass ppm)	43.6	50.9 ± 15.5	55.9	57.1	64.7	48.2	63.1

Composition Summary (vol%)

	Most Recent: Mar. 1, 2013	Five Year Average	Jan. 2, 2013	Dec. 2, 2012	Nov. 1, 2012	Oct. 1, 2012	Sep. 1, 2012
iso-Butane	0.11	0.06 ± 0.02	0.04	0.05	0.07	0.09	0.05
n-Butane	2.76	1.58 ± 0.55	1.79	1.52	2.41	1.75	1.17
iso-Pentane	21.22	22.61 ± 1.86	24.19	20.29	22.97	19.53	22.92
n-Pentane	20.53	24.17 ± 1.72	24.32	21.47	23.56	21.72	24.92
Hexanes	21.17	21.38 ± 1.43	20.65	19.26	20.97	21.80	21.28
C7 x C12	32.42	28.76 ± 2.63	28.77	34.10	29.74	34.24	29.08
Total C12-	98.23	98.59 ± 1.06	99.76	96.69	99.72	99.13	99.42
C13 x C30+	ND	ND	ND	1.31	ND	ND	ND

BTEX (vol%)

	Most Recent: Mar. 1, 2013	Five Year Average	Jan. 2, 2013	Dec. 2, 2012	Nov. 1, 2012	Oct. 1, 2012	Sep. 1, 2012
Benzene (vol%)	0.94	0.98 ± 0.11	1.09	0.79	0.91	1.22	1.04
Toluene (vol%)	1.37	1.04 ± 0.12	1.12	0.93	1.03	1.23	1.00
Ethyl Benzene (vol%)	0.10	0.11 ± 0.02	0.08	0.11	0.10	0.13	0.10
Xylenes (vol%)	0.88	0.48 ± 0.11	0.43	0.45	0.50	0.48	0.37
BTEX Total (vol%)	3.29	2.61 ± 0.25	2.72	2.28	2.54	3.06	2.51

*ND indicates a tested value below the instrument threshold.