Beware of yellow jackets! (Watch where you step)
Bring bug spray.
Wear long sleeves and long pants. (make sure the material is not too heavy!)
Avoid contamination by washing off the soil extractor after each sample.
Bring a hat or sunscreen.
Wear gloves, especially when chemical testing or reading bacteria plates.
Reuse the labels for serial dilutions so you don't have to keep remaking them.
Wash tubes between serial dilutions or chemical tests.
Keep your hair tied back.
Wear goggles to protect your eyes.