Environmental Engineering Reference
In-Depth Information
1.
Occurrence
with
Undesirable
Consequence
5.
4.
Analyze Differences
for Effect on
Undesirable
Consequence
Compare
Set Down
Differences
3.
Comparable
Activity without
Undesirable
Consequence
Integrate Information
Relevant to the Causes
of the Undesirable
Consequence
2.
6.
FIgure 10.1 Six.steps.involved.in.change.analysis..( Source: .Courtesy.of.the.United.States.
Department.of.Energy.)
questions.to.ensure.that.all.items.are.addressed..Several.key.elements.for.addressing.
any.change.in.the.standard.operating.process.include
•. Consider.the.event.containing.the.undesirable.consequences.
•. Consider. a. comparable. activity. that. did. not. have. the. undesirable.
consequences.
•. Compare.the.condition.containing.the.undesirable.consequences.with.the.
reference.activity.
•. Set.down.all.known.differences.whether.or.not.they.appear.to.be.relevant.
•. Analyze.the.differences.for.their.effects.in.producing.the.undesirable.con-
sequences..This.must.be.done.with.careful.attention.to.detail,.ensuring.that.
obscure.and.indirect.relationships.are.identiied.(e.g.,.a.change.in.color.or.
inish. may. change. the. heat. transfer. parameters. and. consequently. affect.
.system.temperature).
•.
Integrate. information. into. the. investigative. process. relevant. to. the. causes.
of,.or.the.contributors.to,.the.undesirable.consequences.
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