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

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

Huffman Hazen Labs
Phone (303) 278 4455 / Fax (303) 278 1528  
4630 Indiana Street
Golden, Colorado 80403
Directions

Lobby Hours: 8:00 AM to 5:00 PM