Agriculture Reference
In-Depth Information
Table 7.3
Approach for setting work/rest periods and amount of drinking water for workers wearing chemical-resistant suits*
(EPA,
A Guide to Heat Stress in Agriculture,
1994).
Work/Rest Periods
Air Tem-
pera-
ture
Light Work
Moderate Work
Heavy Work
Minimum Water to
Drink**
Full Sun
Partly
Cloudy
No Sun
Full Sun
Partly
Cloudy
No Sun
Full Sun
Partly
Cloudy
No Sun
75
0
F
Normal
schedule
Normal
schedule
Normal
schedule
Normal
schedule
Normal
schedule
Normal
schedule
Normal
schedule
Normal
schedule
One half pint every 30
minutes
35/25
80
0
F
30/30
Normal
schedule
Normal
schedule
20/40
Normal
schedule
Normal
schedule
10/50
40/20
Normal
schedule
One to 1.5 pints every
30 minutes
85
0
F
15/45
40/20
Normal
schedule
10/50
25/35
Normal
schedule
15/45
40/20
One pint or more every
15 minutes
Caution
90
0
F
15/45
40/20
25/35
Stop work
15/45
Same as above
Caution
Caution
Caution
Caution
95
0
F
Stop work
Stop
work
15/45
Stop
work
Stop
work
Stop
work
Stop work
Stop work
Stop work
Same as above
* This table is taken in part from
A Guide to Heat Stress in Agriculture
, EPA, 1994.
** Varies from person to person and increases in heavier work and hotter conditions.
Indicates very high levels of heat stress.
45/15 = 45 minutes work and 15 minutes rest during each hour.
