Table 1: Results of the quantitative determination using chromotropic acid.

Sample categoryTotal number testedPositive samplesAverage (mg/L)Standard deviation (mg/L)P90 (mg/L)P95 (mg/L)P99 (mg/L)Maximum (mg/L)Samples above limit (2.6 mg/L)

Beer600%0
Wine2241%0.130.290.370.541.031.150
Vodka1150%0
Fruit spirits8544%0.200.610.390.681.775.391
Tequila4083%0.701.221.772.875.266.062
Asian spirits2359%2.264.609.7513.4414.2114.374
Marc1354%0.490.861.662.202.642.751
Whiskey1331%0.200.460.551.031.501.620
Brandy1050%0.090.611.151.411.621.670
Cachaça1020%0.100.260.210.510.760.990
Unrecorded11729%0.220.710.721.081.566.711

Total sample50826%0.271.210.701.116.1414.379