Predicting Meter Readings

/Predicting Meter Readings
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Predicting Meter Readings 21

Predicting meter readings: Use the NIOSH Pocket Guide, WISER, this App or some other reference to look up values for isopropyl alcohol (2-propanol). This meter's manufacturer indicates PID CF is 6.0 & LEL CF is 2.2. Which of the following is the correct predicted PID, O2 and LEL meter readings for isopropyl alcohol (IPA)?

By |March 28th, 2017|Predicting Meter Readings|0 Comments

Predicting Meter Readings 22

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 [...]

By |March 30th, 2017|Predicting Meter Readings|0 Comments

Predicting Meter Readings 23

In reference to question #22, you have determined that the predicted LEL is 234%. TEA has an LEL of 1.2% and a UEL of 8%. Which of the following is correct? 2.5 CF x 1.2 PLELx 234% ÷ 100 = 7.02% 1. 7% is below the LEL 2. 7% is above the UEL 3. 7% [...]

By |April 3rd, 2017|Predicting Meter Readings|0 Comments

Predicting Meter Readings 24

In refernece to question 23, conditions are in the flammable range. What strategies must be employed? 1. vent and burn 2. personal protective controls 3. administrative controls 4. engineering controls

By |April 3rd, 2017|Predicting Meter Readings|0 Comments

Predicting Meter Readings 25

LEL Meter Prediction Conclusion: Triethylamine's (TEA) vp = 54 mmHg, LEL CF = 2.5, PLEL = 1.2%. 1300 x 54 = 70,200 PPM Headspace Concentration (LEL 1.2%, UEL 8% - see 1300 charts for TEA values) LEL CF of 2.5 PLEL of 1.2 x 100 = 300 70,200 ÷ 300 = 234% LEL A science [...]

By |March 30th, 2017|Predicting Meter Readings|0 Comments