Table 1.

Hourly Summary and Correlation Statistics of deployed Sensor Pods

Sensor Pod	Number of Valid Hours	Measurement Range (μg/m3)	R2	Regression Period	Comments
Unit 1	2056	0 – 86	0.58	Post
Unit 2	648	0 – 93	0.14	Pre	Failed to operate nominally after 12/16/16
Unit 3	1663	0 – 75	0.20	Post
Unit 4	1475	0 – 42	0.57	Post
Unit 5	1470	0 – 24	0.81	Post
Unit 6	1659	0 – 71	0.43	Pre
Unit 7	1313	0 – 54	0.21	Pre	Failed to operate nominally after 2/12/17
Unit 8	1410	0 – 57	0.18	Pre	Failed to operate nominally after 1/10/17
Unit10	219	0 – 16	NA	NA	Never operated nominally, including during colocation
Unit 11	2116	0 – 146	0.52	Post
Unit 12	126	0 – 42	0.10	Pre	Never operated nominally
Unit 13	86	0 – 82	0.27	Pre	Failed to operate nominally after 12/3/16
Unit 14	1638	0 – 45	0.53	Post
Unit 16	1752	0 – 52	0.52	Post
Unit 18	1253	0 – 64	0.24	Post
Unit 19	NA	NA	0.47	Pre	Failed after initial collocation
Unit 20	798	1 – 94	0.17	Pre	Failed to operate nominally after 11/28/16