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Page Title:
Figure 1.2 Applicability of the PSM Rule |
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|  DOE-HDBK-1101-96
Compliance is Required if You . . .
No
Have a process
Yes
Located in an
with ≥ TQ quantities
unoccupied remote
of HHCs?
location?
Yes
No
Used as
Have
site fuel, stored in
Compliance
Yes
No
>10,000 lbs of
atm. tanks below BP,
with PSM
flammable liquids of gases
oil/ gas well drilling/
Rule is
in one location?
servicing, or in un-
required
occupied remote
location?
No
Yes
No
Manufacture
Compliance with PSM
Explosives or
Rule is not required
Yes
Figure 1.2 Applicability of the PSM Rule
No. A plant may have some process areas that are covered by the PSM Rule and others that
are not. PSM provisions are invoked for covered processes only. However, DOE contractors
may choose to implement certain PSM elements in areas not covered by the Rule if they
believe activities in these areas pose a significant hazard. To avoid regulatory confusion,
contractors should document those parts of their plants that are covered processes.
3.
Can a facility contain more than one process?
A facility can contain several processes. If multiple processes are interconnected, they may be
considered a single process under the PSM Rule.
4.
To determine whether a process is covered, should DOE contractors compare the OSHA
TQ for an HHC to the amount of the chemical annually consumed by the process, or to
the maximum intended inventory?
DOE contractors should determine whether a process is covered based on the maximum in-
tended inventory that the process can contain (tank or vessel capacity plus interconnected
piping capacity), rather than on its cumulative, annual use.
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