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.Grace Consulting, Inc.
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Main Office Location:
PO Box 58, 510 Dickson St., Wellington, OH 44090

Mailing Address:
(Same As Above)

Additional Office Locations:
1309 Kelly, Nixa, MO 65721
6668 Southeast 110th Street, Belleview, FL 34420

Phone: (440) 647-6672

Toll Free:
(877) GCI-TEST

Fax: (440) 647-6673

Web Address:

Contact: Darryl Christy

Contact's e-Mail:

Additional Office Locations:
1855 Sipe Road, Conover, NC 28613
Phone: (828) 345-0309    Fax: (828) 345-0359

684 Tower Road, Plainfield, IN 46168
Phone: (317) 838 7101 Fax: (317) 838 7131

Year Established:

Testing Staff Size: 30

Certified V.E. Readers: 5

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U.S. EPA Test Methodologies: 1-4, 5, 5A-H, 6, 6A-C, 7, 7A-E, 8, 9, 10, 11, 12, 13A-B, 17, 18, 19, 20, 23, 24, 24A, 25, 25A-B, 26, 26A, 29, 30B, 101, 101A, 104, 201A, 202, 316, 318, 320, 323, NIOSH, CTM, NCASI, CARB, VOST and ASTM Methods including Ontario Hydro for HG, 2F, 2G, 2H for stack and rectangular ducts and Cascade Impactor.

Gaseous Monitoring:
O2, CO2, CO, NOX, SO2, VOC, FTIR, Particle Size Distribution, Ash Resistivity,Controlled Condensate SO3, Pressure Drop, Electronic Flow

On Site Sample Analysis/Titration: Pm, SO2, SO3, PM10, and HCl

Gaseous Monitoring Dilution System: Yes

Mobile Labs: 12

Isokinetic Sampling Trains: 25+

Geographic Testing Area: National & International Bids

International Mobility: Yes

Industries Served: All Industries Including - Asphalt, Soil Remediation, Cement, Misc. Manufacturers (Glass, Steel Foundries, etc.) Food & Beverage, Pulp/Paper, Power Generation, Medical/Municipal/Sewage Waste Incinerators, Petroleum/Fuel, Printing/Packaging, Sugar Mills, Lime, Chemical, Polymers, Coke, Coatings, Mineral Processing, Aluminum, etc.

GCI is devoted to providing our clients with superior technical expertise in air emissions sampling. Our staff consists of specialists in the latest sampling techniques and technical advancements. GCI s extensive inventory of sampling equipment allows our staff to perform tests at numerous locations simultaneously, while maintaining adequate backup equipment to prevent delays due to malfunction. GCI operates in compliance with the ASTM D 7036-04 Standard Practice for Competence of Air Emissions Testing Bodies and is one of only 20 AETB s that holds interim accreditation from an outside source.


We specialize in stack testing, with an average Crew Chief experience level of over 18 years. In addition, a QI/QSTI having passed one, or all, of the group tests will be present on every job site. We provide emissions testing to all types of industry with an emphasis in coal fired power plants, coordinating and performing a variety of tests, including (but not limited to) performance testing of SCR and SNCR systems, emissions testing of Mercury from coal fired plants, CEMS RATAs, PS 11 PM CEMs Specifications and Sorbent Injection Studies. GCI performs flow RATAs using Methods 2F, 2G and 2H and also has the capability to use electronic flow measurement for the highest accuracy and repeatability.


GCI's Specialties Include:

  • RATAs ( 11 Mobile CEMS Labs with Electronic Flow Capability )
  • Mercury Emissions Tests (using USEPA Method 30B or ASTM Method D6784-02 (Ontario Hydro)
  • SCR Performance Tests with NOx, Ammonia, Controlled Condensate for SO3 Testing
  • Scubber and Precipitator Performance Testing
  • Boiler Efficiency Testing
  • Particle Size Distribution and Fly Ash Resistivity Testing
  • Compliance Testing
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Visit Our Website ... PO Box 58, 510 Dickson St., Wellington, OH 44090...
Phone: (440) 647-6672  
Toll Free: (877) GCI-TEST   Fax: (440) 647-6673

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