Assessment of Spatial Variability of Heavy Metals in Metropolitan Zone of Toluca Valley, Mexico, Using the Biomonitoring Technique in Mosses and TXRF Analysis

Table 1

Description of sampling locations at the Metropolitan Zone of the Toluca Valley.

Reference	Sampling site	Geographic location		Altitude; masl	Description
		North; latitude	West; longitude
Alameda	1	19°17^′23^′′	99°39^′43^′′	2662	Urban park with high traffic
Reforma	2	19°17^′27^′′	99°38^′29^′′	2644	Urban park with high traffic
Hipico	3	19°15^′50^′′	99°37^′54^′′	2668	Urban park with high traffic
Pila	4	19°15^′36^′′	99°35^′15^′′	2623	Urban park with medium traffic
Santin	5	19°21^′9^′′	99°35^′31^′′	2596	Urban area with medium traffic
Tollocan	6	19°17^′10^′′	99°32^′49^′′	2589	Urban, industrial, and highway with the highest traffic
Cacalomacan	7	19°11^′57^′′	99°44^′04^′′	3100	Ecological park without urban settlements, nondisturbed by pollution
Ciervita	8	19°11^′17^′′	99°48^′35^′′	3317	Natural protected area without urban settlements, non-disturbed by pollution