Table 4.

Results for ambient air mercury sampling for Hobbs, Hobbs-Control, and Control Community.

Sampling Group	Address	MULTIPLE SAMPLES AT EACH RESIDENCE*															Average
		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
Hobbs	Point 1	19	18	21	19	21											19.6
	Point 2	17	18	18	18	20	19	19	18								18.38
	Point 3	7	8	8	10	17	17	15	16	16							12.67
	Point 4	46	73	79	82	68	94	97	157	171	67	103	96	72.3	90	19	87.64
	Point 5	11	15	32	17	34	23	24	28	27	28	20					23.55
	Point 6	11	9	10	9	12	12	11	14	10							10.89
	Point 7	13	14	13	13	15	13	14									13.57
	Point 8	32	24	33	27	30	35	30	32	35							30.89
	Point 9	19	15	14	12	9	15	14	2								12.5
	Point 10	14	13	13	14	10	12	11									12.43
Hobbs Control**	Point 11	7	5	7	6	9	9	7									7.14
	Point 12	4	0	0	0	0	0										0.67
Control	Point 13	15	17.5	15	19	19	21										17.75
	Point 14	2	5	6	6	7											5.2
	Point 15	16	15	16	8	13	28	31	30	29	29	32					22.45
	Point 16	7	9	9	12												9.25
	Point 17	6	7	7	8												7
	Point 18	18	18	18	12												16.5
	Point 19	9	7	6	1	7	5										5.83
	Point 20	4	5	6	3	2	4	9									4.71
	Point 21	10	11	8	16	12	6										10.5
	Point 22	5	6														5.5

* 30-second averages, results in nanograms per cubic meter

**Samples collected 2 miles outside of the Westgate Subdivision