What is an Initial Study (IS)?
An initial study (IS) is a preliminary analysis prepared by the lead agency to determine whether an EIR or a negative declaration must be prepared or to identify the significant environmental effects to be analyzed in an EIR.

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1. What is CEQA?
2. What projects are subject to CEQA?
3. Who is exempt from CEQA?
4. What is an EIR, and when is it required?
5. What is a Negative Declaration and when is it required?
6. What is an Initial Study (IS)?
7. What constitutes "significance"?
8. How do I process an ADU (Accessory Dwelling Units)?