Although few of you in the green industry use Migrant labor you may find several of the videos from NC Department of Labor useful.
Consider watching and sharing with your Spanish speaking labor force.
http://www.youtube.com/user/NCDeptofLabor/videos
The following videos are excellent for all employees during this time of extremely hot temperatures:
http://www.youtube.com/watch?v=8VD1pEIPZgg&feature=plcp (Spanish)
http://www.youtube.com/watch?v=zwMmAhx4nwk&feature=related (English- * not a duplicate of the above)
Regardless of your role on your farm, greenhouse range, or landscape project, you are susceptible to heat stress, heat stroke, and worse. Take frequent breaks, drink plenty of fluids but avoid alcohol, and highly carbonated beverages as these can increase dehydration not prevent it. While it may mean a change in your work day pattern- healthy employees are more productive.
For more information contact your local Cooperative Extension Center and ask for the Commercial Horticulture Agent.