Hazen Research
Phone (303) 279 4501 / Fax (303) 278 1528  
4601 Indiana Street
Golden, Colorado 80403

Lobby Hours: 7:30 AM to 5:00 PM
Radon Sample Drop-Off: 7:30 AM to 3:00 PM  
Holiday Weekend Radon Drop-Off: 7:30 AM to 12:00 noon on the day before a holiday weekend


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