Table 3.

Concentration of chromium (Cr) in µg/g of e-liquid for the purchased cigalike ENDS cartridges.

Brand	Flavor	Purchases
		Chromium µg/g
		1	2	3	4	Average
Blu	Classic Tobacco	0.41 (0.03)a,b	0.65 (0.03)	0.20 (*)	0.47 (0.04)	0.49 (0.2)
	Carolina Bold	BLQd	BLQ	BLQ	N/Ac	UTDe
	Magnificent Menthol	0.55 (0.01)	BLQ	BLQ	0.22 (0.00)	0.42 (0.2)
	Cherry Crush	0.22 (0.01)	N/A	BLQ	0.35 (0.03)	0.29 (0.07)
Mark Ten	Classic	0.23 (0.01)	0.24 (0.01)	0.18 (*)	BLQ	0.22 (0.02)
	Menthol	BLQ	BLQ	BLQ	BLQ	UTD
	Summer Fusion	0.33 (*)	0.24 (*)	0.25 (*)	BLQ	0.27 (0.05)
	Winter Mint	BLQ	BLQ	BLQ	BLQ	UTD
Vuse Solo	Original	BLQ	BLQ	BLQ	BLQ	UTD
	Menthol	BLQ	BLQ	BLQ	BLQ	UTD
	Mint	1.0 (0.3)	0.25 (0.00)	BLQ	N/A	0.70 (0.5)
	Berry	0.45 (0.01)	0.58 (0.02)	0.42 (*)	0.31 (0.01)	0.45 (0.1)
	Chai	0.59 (0.1)	0.22 (*)	0.29 (*)	0.50 (0.1)	0.45 (0.2)
	Crema	0.50 (0.02)	1.21 (0.05)	0.52 (0.04)	BLQ	0.68 (0.3)
Vuse Vibe	Original	BLQ	BLQ	BLQ	BLQ	UTD
	Menthol	N/A	BLQ	N/A	BLQ	UTD
	Nectar	BLQ	BLQ	BLQ	BLQ	UTD
	Melon	BLQ	BLQ	0.18 (*)	BLQ	0.18 (*)
Blank	Propylene Glycol	BLQ
	Glycerol	BLQ

All samples for which the mean chromium concentration is equal to or exceeds the USP limits for Cr (0.3 μg/g) are bolded.

^aConcentrations are reported as mean (standard deviation), n = 3 unless otherwise noted by (*).

^bBold indicates the mean chromium concentration exceeded the USP limit for an inhaled product.

^cN/A indicates the brand and flavor combination was unavailable during the purchase attempt.

^dBelow lower limit of quantitation (BLQ).

^eUnable to determine (UTD).