According to our records, this business is located at 1226 E 8th St. in Tucson (in Pima County), Arizona 85719, the location GPS coordinates are: 32.224745 (latitude), -110.952602 (longitude). Zelen Environmental is categorized under Research and Development Laboratories (SIC code 8731). Current estimates show that the unit has a sales volume of $1,056,000 and staff of approximately 6 people. You can contact the company by phone at (520) 884-1846.