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- Quality Control
- Safety Team and JOBSITE
- Concrete In Practice
- Concrete Calculator
- Frequently Asked Questions
- Weather
- Associations
Spokane, WA 99212
(509) 534-6221
CPM East Region
Spokane, WA (Dispatch)
(509) 536-3355
(855) 536-3355
Coeur d'Alene, ID (Store)
(208) 664-2111
CPM Central Region
Boardman, OR
(541) 481-3140
Hermiston, OR
(541) 564-8005
Mattawa, WA
(509) 932-4525
Pasco, WA
(509) 545-8405
Sunnyside, WA
(509) 837-5171
Toppenish, WA
(509) 865-2975
Yakima, WA
(509) 248-2041
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Quality Control
Central Pre-Mix Concrete Co. has certified, trained and knowledgeable professionals with many years of experience in ready-mixed concrete, aggregates, and asphalt quality control. Producing quality products has always been a top priority at all CPM locations.
CPM offers state-of-the art lab testing facilities and field testing equipment.
For QC questions, project needs and mix design information, please contact the CPM QC team.
Meet the Quality Control Team
Steve Wittstock Email
Oldcastle Materials Northwest Division (NWD) Director of Quality Assurance
35 years in building materials quality control experience
Certifications:
- NRMCA Concrete Technologist Level 4
- NRMCA Pervious Concrete Tech
- ACI Concrete Strength Testing Tech
- ACI Concrete Flatwork Tech
- ACI Field Testing Technician Grade 1
-
ACI Laboratory Tech
Craig Matteson Email
CPM Quality Control Manager
39 years concrete and aggregates quality control experience
Certifications:
- NRMCA Concrete Technologist Level 3
- NRMCA Pervious Concrete Tech
- ACI Concrete Flatwork Tech
- ACI Concrete Strength Testing Tech
- ACI Field Testing Technician Grade 1
- Concrete Production Facilitities Inspection Asst.
- ICBO Reinforced Concrete Inspector
Clay Allen Email
CPM Quality Control Aggregates Manager
34 years concrete and aggregates quality control experience
Certifications:
- WAQTC AsTT Asphalt Testing
- WAQTC Aggregate Testing
- Concrete Technologist Level 3
- ACI Concrete Strength Testing Tech
- ACI Field Testing Technician Grade 1
- ACI Concrete Masonry Testing Procedures
- ACI Concrete Flatwork Tech
- NRMCA Pervious Concrete Tech
- Concrete Production Facilities Inspection Asst
- Radiation Safety
Trevor Baker Email
CPM Quality Control Technician
5 years concrete quality control and 9 years construction industry experience, including fleet
dispatching
Certifications:
- ACI Level I Field Technician
- ACI Strength Testing Tech
- ACI Strength Testing Technician Grade 1
- WAQTC Aggregate Testing
Scott Thomas Email
CPM Quality Control Technician
10 years of concrete and asphalt quality control experience
Certifications:
- WAQTC Aggregate Testing
- WAQTC AsTT Asphalt Testing
- WAQTC Density Testing
- WAQTC Embankment Testing
- ACI Concrete Strength Testing Tech
- ACI Field Testing Technician Grade 1
Lonnie Ellis Email
CPM Aggregate Quality Control Technician
17 years aggregate quality control
Certifications:
- WAQTC Aggregate Testing
Michael Liniger Email
CPM Central Region Quality Control Technician
8 years of concrete and aggregate quality contol experience
Certifications:
- NRMCA Certified Concrete Technologist Level 3
- NRMCA Pervious Concrete Tech
- NRMCA Approved Plant Inspector
- ACI Concrete Flatwork Tech
- ACI Concrete Strength Testing Tech
- ACI Concrete Field Testing Tech Grade 1
- ACI Aggregate Testing Tech Level 1
- ACI Concrete Laboratory Testing Tech Level 1
- Nuclear Safety Certified to run a nuclear source density meter
Nick Martinez Email
CPM Central Region Quality Control Technician
9 years of concrete and aggregate quality control experience
Certifications:
- ACI Aggregate Testing Tech Level 1
- ACI Concrete Field Testing Tech Grade 1
- ACI Concrete Flatwork Tech
- ACI Concrete Laboratory Testing Tech Level 1
- ACI Concrete Strength Testing Tech
- NRMCA Pervious Concrete Tech
- NRMCA Concrete Technologist Level 3
