You are the science officer on a known spill of approximately 55 gallons of triethylamine. The material is in a confined room @68°F. All electrical, HVAC and ingress/egress have been secured. What are the predicted meter readings for PID, O2 and LEL?

1. PID 78,000 PPM O2 19.5% LEL 234%

2. PID 78,000 PPM O2 19.5% LEL 23.4%

3. PID 7,800 PPM O2 19.5% LEL 2.34%

4. PID 78,000 PPM O2 20.7 LEL 234%