Table 3: Toxic element contaminants in teas.

TEASSteeped 3-4 minutesSteeped 15–17 minutes
Average μg/LHgPbAlAsCdHgPbAlAsCd

Organic green
None detected1.64
SD ± 0.58
MX 2.57
3897
SD ± 2027
MX 8324
0.31
SD ± 0.09
MX 0.44
0.021
SD ± 0.01
MX .036
None detected2.147
SD ± 0.58
MX 3.11
5210
SD ± 2360
MX 10100
0.39
SD ± 0.14
MX 0.68
0.031
SD ± 0.015
MX 0.068

Regular green
None detected1.37
SD ± 0.47
MX 1.89
2342
SD ± 1401
MX 5635
0.43
SD ± 0.18
MX 0.62
0.012
SD ± 0.008
MX 0.027
None detected1.51
SD ± 0.55
MX 2.55
4798
SD ± 1970
MX 7417
0.4
SD ± 0.23
MX 0.82
0.02
SD ± 0.012
MX 0.044

Organic oolong
None detected1.965624
MX 5939
0.600.01None detected2.26
MX 3.12
8808
MX 11449
0.8850.014

Standard oolong
None detected3.05
MX 4.13
41500.880.06None detected3.45
MX 4.93
28760.950.065

Organic white
None detected1.14
MX 1.95
28750.450.02None detected1.3240780.560.03

Organic black
None detected0.785341014None detectedNone detected0.7980960.23None detected

Standard black
None detected0.86
MX 1.03
4503
MX 8076
0.3360.026None detected0.93
MX 1.33
5261.4
MX 8987
0.280.02

SD is standard of deviation. None detected is below the limit of detection or <0.005 ng/L and MX is maximum level detected.