SF6 concentrations (ppb) measured by Blue Boxes on 7 October 2000
IOP 2

Site	Release	Box	2	3	4	5	6	7	8	9	10	11
1	1	34	0.1	146.1	80.3	0.4	74.0	116.6	78.6	88.4	#N/A	#N/A
2	1	24	0.2	112.6	85.7	2.9	102.6	76.7	80.0	55.3	62.8	21.8
3	1	18	0.2	22.7	57.6	9.9	35.9	32.1	66.5	88.3	118.3	36.8
4	1	35	0.2	144.8	41.2	51.7	33.9	0.4	65.0	175.0	159.6	60.1
5	1	28	0.4	120.2	61.7	#N/A	#N/A	#N/A	#N/A	#N/A	#N/A	#N/A
6	1	6	0.2	7.5	3.7	11.0	3.6	0.1	0.0	7.0	29.5	61.1
7	1	20	0.9	0.9	0.6	98.7	0.1	0.0	0.0	8.7	39.4	83.5
8	1	9	1.2	28.0	1.2	13.8	0.2	0.0	0.4	75.9	118.4	68.5
9	1	45	28.5	31.6	168.9	155.9	0.2	0.0	5.6	169.3	138.8	234.1
10	1	29	21.9	15.6	168.6	635.6	54.5	0.1	78.2	7.3	570.3	140.5
11	1	10	71.4	8.1	12.2	48.9	29.5	28.9	43.0	#N/A	#N/A	#N/A
12	1	30	51.8	311.6	191.4	39.7	107.6	988.1	4.5	0.9	0.1	0.7
13	1	4	258.3	62.0	231.7	228.7	0.6	0.1	175.9	662.7	195.8	400.7
15	1	40	99.2	266.4	182.4	30.2	181.2	158.9	283.1	322.9	341.8	5.0
2	2	31	56.8	38.1	15.0	44.7	82.0	340.3	265.3	631.9	148.7	61.6
3	2	22	0.9	0.4	0.1	149.5	43.1	45.6	60.6	50.1	106.8	63.6
4	2	7	0.4	29.1	0.1	81.2	561.9	115.6	345.8	219.4	84.4	51.8
7	2	19	43.1	179.0	0.7	28.2	163.4	76.7	25.5	16.4	45.6	36.6
8	2	3	0.4	0.2	0.1	34.3	53.2	74.8	88.3	83.8	65.5	106.9
9	2	44	263.9	392.1	5.3	184.5	69.8	165.5	95.1	167.1	171.7	107.1
11	2	37	285.2	27.3	21.0	9.5	5.1	132.6	1.0	41.2	3.6	1.2
12	2	16	40.0	497.9	245.8	4.7	3.1	#N/A	#N/A	#N/A	#N/A	#N/A
13	2	5	1234.9	203.2	4.8	188.9	77.4	433.6	41.1	103.8	183.2	74.6
14	2	21	674.7	29.8	2.3	426.5	664.0	569.3	125.7	144.3	83.5	61.9
15	2	39	0.7	32.4	219.7	899.3	496.1	46.6	431.2	669.8	162.1	235.8
1	3	27	12.9	181.0	430.4	81.8	129.2	110.5	28.9	112.2	47.8	68.0
2	3	1	4.7	4.7	272.1	126.8	101.7	179.8	36.9	23.9	35.1	43.7
3	3	26	0.7	1.7	135.2	56.8	42.1	147.0	14.2	11.5	52.1	62.1
4	3	41	190.3	121.7	38.1	17.3	9.8	53.6	0.7	6.5	114.4	22.7
5	3	2	68.4	229.6	44.4	20.1	9.0	5.6	2.0	2.1	48.0	51.7
6	3	46	0.2	14.2	#N/A	#N/A	#N/A	#N/A	#N/A	#N/A	#N/A	#N/A
7	3	25	0.2	9.0	42.2	9.6	1.3	0.4	0.1	0.2	209.2	35.9
8	3	23	26.6	121.8	20.0	10.9	2.8	0.6	0.4	0.6	68.2	42.7
9	3	32	181.5	152.0	34.5	10.4	2.1	0.4	0.2	0.1	348.5	72.0
10	3	13	278.5	218.0	31.0	50.3	89.2	70.0	4.3	3.7	110.4	136.9
11	3	42	#N/A	#N/A	61.2	#N/A	#N/A	55.8	#N/A	#N/A	117.8	105.5
13	3	17	518.6	398.8	44.9	12.4	3.9	0.7	0.6	0.2	489.1	63.4
14	3	8	370.8	222.3	62.3	16.2	8.9	0.9	0.4	0.7	230.2	36.4
15	3	43	295.9	357.8	704.6	227.8	779.1	6.4	211.9	126.4	56.3	146.0

Note: Concentrations less than 130 ppb have been adjusted to remove the non-linear effect of the calibration curve.
Note: These values have been adjusted by a factor of 1.3 from the original results.