Syracuse, N.Y. — If you have some thoughts on how officials should gauge the environmental impacts of Micron Technology’s proposed chip-making plant in Clay, you have another week to let them know.

The Onondaga County Industrial Development Agency has extended the comment period on what is called a scoping document until Oct. 31. The original deadline was Oct. 20, but the agency pushed that back after environmental groups and state and federal agencies asked for more time, said Pat Hogan, OCIDA’s chairman.

Micron plans to build four large semiconductor fabrication plants, or fabs, in the town of Clay over the next 20 years at a cost of $100 billion. State and federal law require projects like that to undergo detailed environmental review. OCIDA has to study how the complex would affect the air, water and land.

One of the first steps in that review is to ask the public what the scope of the study should be, including what environmental impacts should be considered. OCIDA prepared a 35-page draft scoping document, then held a public meeting on the document Oct. 11, where about a dozen people spoke. The agency will also accept comments at [email protected] or 335 Montgomery St., Syracuse, N.Y. 13202. Label the email or letter with ATTN: Micron Project.

OCIDA will review the comments and incorporate them into the full environmental study, expected to be completed next year. Micron says it plans to break ground on the first fab in November 2024.

Hogan said the U.S. Fish and Wildlife Service, the New York State Department of Environmental Conservation, and the Sierra Club had asked OCIDA for more time.

At the public meeting earlier this month, several speakers urged OCIDA to conduct a broad and detailed study of how Micron will handle the highly toxic chemicals integral to the chip-making industry.

“Topics such as worker health and safety, supply chain transport, storage, security, air quality, spill release response, and residual disposal must be included,” John Przepiora, vice president and director of GreeningUSA, told OCIDA. “I urge you to create a final scope for the review to get this right and to protect the interests of today’s community and its members for generations to come.”