Sartorius Stedim Biotech BIOSTAT STR Operating Instructions Manual page 59

6. Close the tube clamp on the sampling tubing.
7. Turn the syringe counterclockwise, take the syringe from the tubing end and
dispose of the syringe in accordance with Chapter "10. Disassembly and Disposal."
The syringe must be neutralized (e.g., through heat sterilization) before it can be
properly disposed of.
8. Repeat this procedure and take a representative sample of any volume.
9. Close the sampling tubing with the sterile cap.
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