Tester Information for Robert Clevenger

Basic Information

First NameRobert
Last NameClevenger
StatusActive

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
Twining LaboratoriesRyan Powney15950 Bernardo Center Drive, Suite J, San Diego, CA 9212711Lab 1

Test Methods

California Test (CT) Certifications

Total 42 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 371 Moisture Induced Damage (TSR) 2017-11-27ExpiredRoy(Chip) DennerLab 1(No comments)
CT 533 Ball Penetration - PCC 2018-06-16ExpiredRoy(Chip) DennerLab 1(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2022-10-21ExpiredJasdeep SandhuLab 1(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2022-10-21ExpiredJasdeep SandhuLab 1(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2022-10-21ExpiredJasdeep SandhuLab 1(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2022-10-21ExpiredJasdeep SandhuLab 1(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2022-10-21ExpiredJasdeep SandhuLab 1(No comments)
CT 556 Slump - PCC (JTCP - PCC)2022-10-21ExpiredJasdeep SandhuLab 1(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2022-10-21ExpiredJasdeep SandhuLab 1(No comments)
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2023-01-17ActiveSarbjit GrewalLab 1(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2023-01-17ActiveSarbjit GrewalLab 1(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2023-01-17ActiveSarbjit GrewalLab 1(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2023-01-17ActiveSarbjit GrewalLab 1(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2023-01-17ActiveSarbjit GrewalLab 1(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2023-01-17ActiveSarbjit GrewalLab 1(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2023-01-17ActiveSarbjit GrewalLab 1(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2023-01-17ActiveSarbjit GrewalLab 1(No comments)
CT 227 Cleanness Value (JTCP - S&A)2023-01-17ActiveSarbjit GrewalLab 1(No comments)
CT 229 Durability (JTCP - S&A)2023-01-17ActiveSarbjit GrewalLab 1(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2023-06-30ActiveRoy(Chip) DennerLab 1(No comments)
CT 204 LL, PL, PI 2023-08-05ActiveRoy(Chip) DennerLab 1(No comments)
CT 214 Sodium Sulfate Soundness 2023-08-05ActiveRoy(Chip) DennerLab 1(No comments)
CT 235 Flat and Elongated Particles 2023-08-05ActiveRoy(Chip) DennerLab 1(No comments)
CT 521 Compressive Strength - PCC 2023-08-05ActiveRoy(Chip) DennerLab 1(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2023-08-05ActiveRoy(Chip) DennerLab 1(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2023-08-05ActiveRoy(Chip) Denner(No lab)(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2023-08-05ActiveRoy(Chip) DennerLab 1(No comments)
CT 231 Relative Compaction - Nuclear Gage 2023-10-19ActiveRoy(Chip) DennerLab 1(No comments)
CT 301 "R" Value 2023-10-19ActiveRoy(Chip) DennerLab 1(No comments)
CT 382 AC Content by Ignition Oven 2023-10-19ActiveRoy(Chip) DennerLab 1(No comments)
CT 234 Uncompacted void - Fine Aggregates 2024-04-21ActiveRoy(Chip) DennerLab 1(No comments)
CT 366 Stabilometer 2024-04-21ActiveRoy(Chip) DennerLab 1(No comments)
CT 367 OBC 2024-04-21ActiveRoy(Chip) DennerLab 1(No comments)
CT 384 Combined Grade for HMA using up to 25% RAP 2024-04-21ActiveRoy(Chip) DennerLab 1(No comments)
CT 515 Relative Mortar Strength PCC Sand 2024-04-21ActiveRoy(Chip) DennerLab 1(No comments)
CT 206 SpG & Absorption - Coarse Aggregates 2024-10-14ActiveRoy(Chip) DennerLab 1(No comments)
CT 207 SpG & Absorption - Fine Aggregates 2024-10-14ActiveRoy(Chip) DennerLab 1(No comments)
CT 208 Apparent SpG - Fine Aggregates 2024-10-14ActiveRoy(Chip) DennerLab 1(No comments)
CT 304 Sample Preparation - HMA 2024-10-14ActiveRoy(Chip) DennerLab 1(No comments)
CT 308 Bulk SpG and Density - HMA 2024-10-14ActiveRoy(Chip) DennerLab 1(No comments)
CT 309 Max SpG and Density - HMA 2024-10-14ActiveRoy(Chip) DennerLab 1(No comments)
CT 370 Moisture Content by Microwave 2024-10-14ActiveRoy(Chip) DennerLab 1(No comments)

AASHTO/ASTM Proficiencies