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Sample Drop Off Instructions – Buffalo Grove, IL

1390 Busch Parkway, Buffalo Grove, IL 60089

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Follow yellow the arrow to the loading docks. Once parked in the loading dock follow the green arrow to our office (Second Office from the loading dock). Once contact with a Geocomp employee is made, return to the dock and the unload sample. Please bring any paperwork you may have including Test Assignment/Chain of Custody Forms.

GeoTesting Illinois

Questions regarding sample drop off?

Call: 224-676-1372 or 224-676-1373


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We are happy to schedule drop off appointments if you know you will be in the area. Otherwise, our loading dock is open from 7:30 AM to 4:00 PM CST. There is no after hours sample receiving at this location without a scheduled appointment.

Please label the samples with as much information as possible and leave them with a Test Assignment/Chain of Custody Form.

PDFIllinois Drop Location