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. Author manuscript; available in PMC: 2024 Aug 1.
Published in final edited form as: Regul Toxicol Pharmacol. 2023 Jun 9;142:105434. doi: 10.1016/j.yrtph.2023.105434

Table 3.

Comparison of inhalation TTC values derived from the ToxValDB evaluation with those from Escher et al. (2010) and Carthew et al. (2009).

Cramer Class 1
 Cramer Class 2
 Cramer Class 3
TTC mg/m3 (No. of chemicals) TTC μg/person/day (No. of chemicals) TTC mg/m3 (No. of chemicals) TTC μg/person/day (No. of chemicals) TTC mg/m3 (No. of chemicals) TTC μg/person/day (No. of chemicals)
ToxValDB 4.14 × 10−4 (244) 8.27 (244) 2.975 × 10−3 (14) 59.5 (14) 2.14 × 10−4 (261) 4.28 (261
Escher et al. 3.6 × 10−3 (58) 71 (58) 4.8 × 10−4 (7) 10 (7) 1.8 × 10−4 (138) 4 (138)
Carthew et al. 1.4 (38) 1400 (38) 0.47 (50) 470 (50)