Key facts
Code summary
Code 3900
Official title Remediation Activities and other Waste Management Services
Version PSIC 2019
Source layer PSA / BSP
Ws
PSIC 2019 Navigation-first hub Class 3900 - Remediation Activities and other Waste Management Services
PSIC Class 3900 covers Remediation Activities and other Waste Management Services. Current child subclasses include Remediation Activities and other Waste Management Services. This four-digit layer is useful when...
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Child codes
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About this level
Practical summary
Class 3900 sits in the PSIC 2019 hierarchy under E Water Supply; Sewerage, Waste Management and Remediation Activities > 39 Remediation Activities and other Waste Management Services > 390 Remediation Activities and other Waste Management Services. This class usually fans out into more specific subclasses such as Remediation Activities and other Waste Management Services. It is the level people use when they already know the activity family but still need the exact five-digit match.
Administrative context
Where this code is used
This class is used when a business can already narrow the activity family and only needs to compare the final subclasses such as Remediation Activities and other Waste Management Services. It is the level most often checked before a five-digit decision is finalized.
Selection note
How to choose it
Use this class to choose between its final subclasses such as Remediation Activities and other Waste Management Services. If two options look close, compare the exact activity, the outputs and the way the business actually earns revenue.
FAQ
What does PSIC Class 3900 cover?
PSIC Class 3900 is the four-digit layer that sits just above the final subclasses and usually defines the activity family for Remediation Activities and other Waste Management Services.
How do I compare Class 3900 with the sibling classes?
Read the neighboring classes and compare the exact wording of the child subclasses. Nearby options include nearby sibling codes.
Why does Class 3900 matter for a filing decision?
It is usually the last broad checkpoint before the five-digit subclass choice, so it is the right place to catch near-miss classifications.