Table 2.

Studies evaluating air pollutants related to unconventional oil and national gas development (n=49).

Author	Measurements (n=27)	Modeling (n=19)	Descriptive (n=15)	Unconventional Fuel Type	Author	Measurements (n=27)	Modeling (n=19)	Descriptive (n=15)	Unconventional Fuel Type
Adgate et al. (2014)	.	.	x	Gas	McCawley (2015)	x	.	x	Gas
Ahmadi & John (2015)	x	.	.	Gas	McKenzie et al. (2012)	x	.	.	Gas
Allen et al. (2013)	.	.	x	Gas	Melikoglu (2014)	.	.	x	Gas
Allen (2014)	x	.	.	Gas	Moore et al. (2014)	.	.	x	Gas
Brown et al. (2014)	x	x	x	Gas	Nathan et al. (2015)	x	x	.	Gas
Brown et al. (2015)	.	x	.	Gas	Nduagu et al. (2015)	.	x	.	Oil
Bunch et al. (2014)	x	.	.	Gas	Newell et al. (2014)	.	.	x	Gas
Burnham et al. (2012)	.	x	.	Gas/Oil	Olaguer (2012)	.	x	.	Gas/Oil
Carlton et al. (2014)	.	.	x	Gas	O’Sullivan & Paltsev (2012)	.	x	.	Gas
Casey et al. (2015)	x	.	.	Gas/Oil	Pacsi et al. (2015)	.	x	.	Gas
Caulton et al. (2014)	x	.	.	Gas	Pekney et al. (2014)	x	.	.	Gas/Oil
Chang et al. (2014)	.	x	.	Gas	Rella et al. (2015)	x	.	.	Gas/Oil
Eapi et al. (2014)	x	.	.	Gas	Rich et al. (2014)	x	.	.	Gas
Edwards et al. (2014)	x	x	.	Gas/Oil	Roy et al. (2014)	.	x	.	Gas
Evans et al. (2015)	.	.	x	Gas/Oil	Rutter et al. (2015)	x	.	.	Gas/Oil
Field et al. (2014)	.	.	x	Gas/Oil	Shonkoff et al. (2014)	.	.	x	Gas
Goetz et al. (2015)	x	x	.	Gas	Swarthout et al. (2015)	x	.	.	Gas
Jackson et al. (2014)	x	x	x	Gas/Oil	Ternes (2012)	.	.	x	Gas/Oil
Karion et al. (2015)	x	x	.	Gas/Oil	Townsend-Small et al. (2015)	x	.	.	Gas
Kemball-Cook et al. (2010)	.	x	.	Gas	Vinciguerra et al. (2015)	x	.	.	Gas
Lampe & Stolz (2015)	.	.	x	Gas	Walters et al. (2015)	x	.	x	Gas/Oil
Lan et al. (2015)	x	x	.	Gas/Oil	Yacovitch et al. (2015)	x	x	.	Gas/Oil
Lavoie et al. (2015)	x	.	.	Gas	Zavala-Araiza et al. (2015)	.	x	.	Gas
Lyon et al. (2015)	.	x	.	Gas/Oil	Zielinska et al. (2014)	x	.	.	Gas
Macey et al. (2014)	x	.	.	Gas/Oil