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Table 1 Exposure dose and effects of urinary biological indices of methanol

From: Estimations of the lethal and exposure doses for representative methanol symptoms in humans

Methanol in respiratory air (mg/L) Urinary methanol concentration (mg/L) References
Occupational exposure
 66.6 23 [18]
 70 21.8 [17]
 152 40 [17]
 181.4 74 [37]
 200 40 [17]
 200 42 [14]
 200 26 [18]
Background exposure
 0.06–0.32 (μg/l) 0.73 [1]
 - 1.1 [17] (as control group)
  1. The exposure period was 8 h following the end of a work shift for occupational exposure and 24-h exposure for environmental exposure