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4.3.10.3.(4) | Application | Intent |
| OS1 | OS1 | OH5 | OH5 |
| Objective | OH5 Hazardous Substances Containment |
| Attribution |
[F20,F81-OH5]
Applies to portion of Code text: “Vent piping shall enter
the storage tank through the top of the tank
and shall not extend into the tank more than 25 mm …”
|
| Application | Application 1: Entry location and maximum extension into the tank
of normal vent piping for underground storage tanks for flammable liquids or combustible
liquids.
Exceptions:
except:
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| Intent | Intent 1: To limit the probability that blocking or obstruction of
the vent pipe by liquid will lead to overpressurization or back pressure,
which could lead to failure of the tank and the escape of liquid--or blowback
of liquid at the fill opening--which could lead to harm to the public.
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