Module 9: Control Techniques - International Association of Fire ...
Module 9: Control Techniques - International Association of Fire ...
Module 9: Control Techniques - International Association of Fire ...
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IAFF Training for Hazardous Materials: Technician©<br />
Student Text<br />
Sample Line<br />
Liquid or vapor leak Sample line valve not closed Close sample line valve<br />
from sample line orifice<br />
or from around plug Plug missing or loose Replace and/or tighten plug<br />
Thermometer Well<br />
Damaged sample line plug To be handled by a tank car<br />
specialist<br />
Liquid or vapor leak Loose cap with damaged Tighten cap; do not remove<br />
from thermometer well cap thermometer well pipe cap<br />
Missing or defective “O” ring<br />
in cap or on nipple with<br />
damaged thermometer well<br />
pipe<br />
Liquid leaking from Damaged thermometer well To be handled by a tank car<br />
between thermometer well pipe specialist; do not tighten<br />
nipple and manway cover thermometer well nipple<br />
Thermometer well Mechanical damage to To be handled by a tank car<br />
nipple broken <strong>of</strong>f with thermometer well nipple specialist<br />
no leak<br />
Heater Coil-Internal<br />
Corrective Actions for Tank Car Fittings<br />
Miscellaneous Fittings<br />
Location <strong>of</strong> Leak Probable Cause Basic Repair Method<br />
Liquid leak from inlet Condensation from material Tighten caps<br />
or outlet pipes at bottom <strong>of</strong><br />
used for heating contents<br />
tank<br />
Washout<br />
Liquid leaking from around Flange nuts loose Tighten flange nuts<br />
seal between tank and<br />
washout plate Defective gasket To be handled by a tank car<br />
specialist<br />
9-50 <strong>Module</strong> 9: <strong>Control</strong> <strong>Techniques</strong>
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