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Wisconsin State Laboratory of Hygiene

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Labor Day – Holiday Observed

September 4, 2023

WSLH Proficiency Testing 2601 Agriculture Drive, Madison

Today is Labor Day. WSLH Proficiency Testing is closed in observance of this holiday.

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Wisconsin State Lab of Hygiene

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2601 Agriculture Drive
Room 233
Madison, WI 53718

Office Hours:
M-F 8:00AM - 4:30PM (CT-Chicago)
Email: ptservice@slh.wisc.edu
Phone: (800) 462-5261

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