Staker & Parson Companies dba Western Rock Products
Cedar City,
Utah
View Accreditation Certificate
Jeff
Burton
1405 N Bulldog Road
Cedar City
,
Utah
84720
Phone: (435) 773-2318
Fax: (435) 688-1889
jeff.burton@westernrock.com
https://http://www.westernrock.com
Quality Management System - accredited since 8/23/2016
R18, D3666 (Aggregate), D3666 (Asphalt Mixture)
Asphalt Mixture - accredited since 8/23/2016
R30, R47, R68, R97, T30, T166, T209, T245, T269, T308, T312, T324, T329, D979, D1188, D2041, D2726, D3203, D3549, D3665, D5444, D6307, D6925, D6926, D6927
Aggregate - accredited since 8/23/2016
R76, R90, T11, T19, T27, T84, T85, T112, T176, T255, T304, T335, C29, C117, C127, C128, C136, C142, C566, C702, C1252, D75, D2419, D4791, D5821
Please note that our accreditations do not include an expiration date. An accreditation only expires when the laboratory fails to comply with our accreditation requirements.
* This information is only valid as of 10/27/2026. Please visit https://aashtoresource.org for current accreditation status.
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