Aggregates Manager

Let's go for 500 hours* between oil drains. How do we do it? Delo® products utilize our specialized ISOSYN® Technology, which combines premium base oils, high performance additives and Chevron formulating expertise to provide superb diesel parts protection that rivals synthetic performance. All at an outstanding value. Delo products with ISOSYN Technology help provide extended service protection, maximize engine durability and minimize operating costs. Learn how Delo's family of products can help you go further, visit ChevronDelo.com Fan us on Facebook * Several major construction equipment OEMs support maximum engine oil drain intervals of up to 500 hours. Delo 400 has been utilized by construction and mining customers to achieve 500 hour oil drains in large Caterpillar 3516 and 3600 series engines along with Cummins off-road industrial engines such as KTA and QSK. Always follow OEM maintenance recommendations and utilize used oil analysis testing for any extended oil drain programs. Write 175 on Reader Service Card or visit www.AggMan.com/info ©22012 C© 012© 2 2C © 202 12 Chevrovrron 2 Chevvhevron U.S.A. InA.In All r InI c. All rightshtts reservrved All tra emtradtrademaa ksmarks are prope erved. A tr raddemarks ares are prope y o rope ty ow operty t owned by C ron Intellectuaal Property L d Chevr ty LC..

• Cover Page
• Information Library - Educational materials for aggregate industry professionals
• EDITORIAL: Romancing the Stone
• AGGBEAT: The latest information on the future of highway funding, and other industry news.
• STATE AND PROVINCE NEWS: A roundup of the latest news in North America.
• SAFETY WATCH: Define boundaries and establish clear communication standards for miners within a workzone.
• FEATURE- Main Highlights MSHA Milestones: During our recent conversation, Joe Main touted MSHAs work wih aggregate associations to bring about safety improvements.
• ROLLOUTS: McCloskeys R230 mobile screener and other new equipment for the aggregate market.
• FEATURE- Opening Its Doors: Through a variety of community relations programs, Silvi Group Strives to be an asset to the communities in which it operates.
• OPERATIONS ILLUSTRATED: Alternative Energy Sources- Finding alternative sources of energy makes sense from an enviromental and a financial viewpoint.
• FEATURE- Maintenance Guide for Air Classifiers: A service technician should check these 10 items to help identify and fix problems with air classifiers.
• FEATURE- The Big Boys of Crushing: These extra-large cruushers, with production capacities of 700 tons per hour or greater, are not for the faint of heart.
• ROCK LAW: Sixth Circuit overrides Secretary of Labor on temporary reinstatement of terminated miners.
• DATA MINING: The latest financial analysis of issues impacting in the industry.
• Classified ADS: Aggregate industry classifieds.
• ADVERTISER INDEX: See whos who and where to find their products.
• CARVED IN STONE: It is important to know how much aggregate will swell when It is excavated in order to determine hauling and stockpiling requirements.