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COATINGSPRO SURFACE PREP 2017 11 educational session and written exam for the educational component, and w ith the addition of a live performance exam covering four applicable ASTM International tests, the program makes up the full certification program," explained Lozen. ASTM International is a worldw ide standards organi- zation that develops and publishes voluntar y consensus technical standards for a w ide range of materials, products, systems, and ser vices. It is also important to note that ASTM International recently provided a 2016 update to ASTM F2170: Standard Test Method for Determining Relative Humidit y in Concrete Floor Slabs Using in situ Probes. According to Spangler, this standard ser ves as a valuable guide for contractors and moisture inspectors for obtaining accurate infor- mation about the moisture condition of concrete slabs. Delmhorst and Tramex also offer moisture meters for concrete. Creating a Profile As mentioned previously, creating the proper surface profile is another critical component to the surface preparation process. A surface profile acts as an anchor for a coating Creating a profile, including abrasive blasting, is another major part of surface prep. Switching between wet and dry abrasive blasting, such as with Clemco's WetBlast FLEX, is fairly new to the industry and offers flexibility. Blast pots, such as Marco's Blastmaster, hold and distribute the blast material using a metering valve into the compressed air stream before entering the blast hose, according to Don Thompson of Marco. VENDOR TEAM Abrasives Incorporated Material manufacturer Glen Ullin, ND 58631 (800) 584-7524 American Concrete Institute (ACI) Education Farmington Hills, MI 48331 (248) 848-3700 AquaFlow by Flow International Corporation Equipment manufacturer Kent, WA 98302 (253) 850-3500 www.aquaflowwaterblasting. com ARS Recycling Systems Equipment manufacturer Lowellville, OH 44436 (330) 536-8210 ASTM International Education West Conshohocken, PA 19428 (877) 909-2786 Aurand Equipment manufacturer Cincinnati, OH 45223 (800) 860-2872 Axxiom Manufacturing/ Schimdt Blasting Equipment Equipment manufacturer Fresno, TX 77545 (800) 231-2085 Barton International Material manufacturer Glens Falls, NY 12801 (800) 741-7756 BlastPro Manufacturing, Inc. Equipment manufacturer Oklahoma City, OK 73127 (405) 491-6464 Blastrac, NA Equipment manufacturer Oklahoma City, OK 73114 (800) 256-3440 Bullard Safety equipment manufacturer Cynthiana, KY 41031 (877) 285-5273 CHLOR*RID International, Inc. Material manufacturer Chandler, AZ 85244 (800) 422-3217 Clemco Industries Corp. Equipment manufacturer Washington, MO 63090 (636) 239-0300 DeFelsko Corporation Equipment manufacturer Ogdensburg, NY 13669 (800) 448-3835 Delmhorst Instrument Co. Equipment manufacturer Towaco, NJ 07082 (877) 335-6467 Diamatic USA Equipment manufacturer San Diego, CA 92110 (866) 295-5512 Surface Preparation

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