Technician Information for Richard Robertson

First NameRichard
Last NameRobertson
Technician ID02443

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
Universal Engineering SciencesClaudia Grisales3050 Industrial Boulevard, West Sacramento, CA 956913Lab 1

Test Methods

California Test (CT) Certifications

Total 11 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2018-01-242021-01-24ExpiredJessaneil PerezLab 1(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2018-01-242020-01-24ExpiredJessaneil Perez(No lab)(No comments)
CT 125 AGG Sampling - AGGREGATES 2022-12-072025-12-07ActiveAlexis EnglandLab 1(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2018-01-242020-01-24ExpiredJessaneil PerezLab 1(No comments)
CT 125 CEM Sampling - CEM 2018-01-242020-01-24ExpiredJessaneil PerezLab 1(No comments)
CT 125 GEN Sampling - GENERAL 2022-12-072025-12-07ActiveAlexis EnglandLab 1(No comments)
CT 125 HMA Sampling - HMA 2022-12-072025-12-07ActiveAlexis EnglandLab 1(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2018-01-242021-01-24ExpiredJessaneil PerezLab 1(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2018-01-242020-01-24ExpiredJessaneil PerezLab 1(No comments)
CT 231 Relative Compaction - Nuclear Gage 2022-12-072024-12-07ExpiredAlexis EnglandLab 1(No comments)
CT 375 AC Density by Nuclear Gage 2022-12-072024-12-07ExpiredAlexis EnglandLab 1(No comments)

AASHTO/ASTM Proficiencies