Fig. 3

Required average heat-related rest minutes per work-hour for farmworkers in the Imperial and Coachella Valleys. Calculated based on the exceedance of (a, b) WBGT, c, d DBT, and (e, f) HI thresholds specified in three existing policy guidelines being compared (Table 1), considering all hours (left) and standard work hours (right) during the study period (April to October, 2020).