Tester Information for Leif Ayres

Basic Information

First NameLeif
Last NameAyres
StatusActive

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
District 1 Main LabLeif Ayres1726 Albee St., Eureka, CA 955011Lab 1

Test Methods

California Test (CT) Certifications

Total 46 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2022-09-13ActiveSarbjit GrewalLab 1No longer IA
CT 106 Definitions - Specific Gravity (SpG) 2023-05-19ActiveLoren LeeLab 1(No comments)
CT 125 ADMIX Sampling - ADMIXTURE 2021-11-20ExpiredLoren LeeLab 1No longer IA
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2022-09-13ActiveSarbjit GrewalLab 1No longer IA
CT 125 BIT Sampling - BITUMINOUS 2021-11-20ExpiredLoren LeeLab 1No longer IA
CT 125 CEM Sampling - CEM 2021-02-01ExpiredLoren LeeLab 1No longer IA
CT 125 GEN Sampling - GENERAL 2021-11-20ExpiredLoren LeeLab 1No longer IA
CT 125 HMA Sampling - HMA (JTCP - HMA I)2022-09-13ActiveSarbjit GrewalLab 1No longer IA
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2020-01-17ExpiredLoren LeeLab 1No longer IA
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2020-01-17ExpiredLoren LeeLab 1No longer IA
CT 203 TEST FOR MECHANICAL ANALYSIS OF SOILS 2024-05-31ActiveAlexis EnglandLab 1(No comments)
CT 204 LL, PL, PI 2023-05-19ActiveLoren LeeLab 1(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2020-01-17ExpiredLoren LeeLab 1No longer IA
CT 206 SpG & Absorption - Coarse Aggregates 2023-05-19ActiveLoren LeeLab 1(No comments)
CT 207 SpG & Absorption - Fine Aggregates 2023-05-19ActiveAlexis EnglandLab 1No longer IA
CT 211 LA Rattler 2023-05-19ActiveLoren LeeLab 1(No comments)
CT 212 Unit Weight of Aggregates 2023-05-19ActiveLoren LeeLab 1(No comments)
CT 213 Organic Impurities of PCC sand 2023-05-19ActiveLoren LeeLab 1(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2020-01-17ExpiredLoren LeeLab 1No longer IA
CT 217 Sand Equivalent (JTCP - S&A)2020-01-17ExpiredLoren LeeLab 1No longer IA
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2020-01-17ExpiredLoren LeeLab 1No longer IA
CT 227 Cleanness Value (JTCP - S&A)2020-01-17ExpiredLoren LeeLab 1No longer IA
CT 229 Durability (JTCP - S&A)2020-01-17ExpiredLoren LeeLab 1No longer IA
CT 231 Relative Compaction - Nuclear Gage 2023-05-19ActiveLoren LeeLab 1(No comments)
CT 234 Uncompacted void - Fine Aggregates 2021-11-25ExpiredLoren LeeLab 1(No comments)
CT 235 Flat and Elongated Particles 2021-11-25ExpiredLoren LeeLab 1(No comments)
CT 301 "R" Value 2023-05-19ActiveAlexis EnglandLab 1(No comments)
CT 304 Sample Preparation - HMA 2021-11-25ExpiredLoren LeeLab 1No longer IA
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2024-05-19ActiveLoren LeeLab 1(No comments)
CT 308 Bulk SpG and Density - HMA 2021-11-25ExpiredLoren LeeLab 1(No comments)
CT 309 Max SpG and Density - HMA 2021-11-25ExpiredLoren LeeLab 1No longer IA
CT 368 OBC of OGAC 2023-05-19ActiveLoren LeeLab 1(No comments)
CT 382 AC Content by Ignition Oven 2024-05-31ActiveAlexis EnglandLab 1No longer IA
CT 384 Combined Grade for HMA using up to 25% RAP 2023-05-19ActiveLoren LeeLab 1(No comments)
CT 385 RHMA Crumb Rubber Modifier (CRM) 2023-05-31ActiveAlexis England(No lab)(No comments)
CT 387 Inertial Profilers 2020-08-07ExpiredLoren LeeLab 1(No comments)
CT 389 Hamburg Wheel-Track 2023-05-19ActiveLoren LeeLab 1(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2019-02-03ExpiredLoren Lee(No lab)No longer IA
CT 518 Unit Weight - PCC (JTCP - PCC)2016-01-01ExpiredLoren Lee(No lab)No longer IA
CT 521 Compressive Strength - PCC 2023-05-19ActiveLoren LeeLab 1(No comments)
CT 533 Ball Penetration - PCC 2021-11-25ExpiredLoren Lee(No lab)No longer IA
CT 539 Sampling Fresh Concrete (JTCP - PCC)2016-01-01ExpiredLoren Lee(No lab)No longer IA
CT 540 Making Cylinders - PCC (JTCP - PCC)2016-01-01ExpiredLoren Lee(No lab)No longer IA
CT 556 Slump - PCC (JTCP - PCC)2016-01-01ExpiredLoren LeeLab 1No longer IA
CT 557 Temperature - PCC (JTCP - PCC)2016-01-01ExpiredLoren LeeLab 1No longer IA
CT 643 Resistivity and pH Measurements 2023-06-11ActiveLoren LeeLab 1(No comments)

AASHTO/ASTM Proficiencies

Total 23 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)2022-09-13ActiveSarbjit GrewalLab 1No longer IA
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)2022-09-13ActiveSarbjit GrewalLab 1(No comments)
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)2022-09-13ActiveSarbjit GrewalLab 1No longer IA
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)2022-11-21ActiveShaya MeisamifardLab 1No longer IA
AASHTO T176 Sand Equivalent (JTCP - HMA I)2022-09-13ActiveSarbjit GrewalLab 1No longer IA
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)2022-11-21ActiveShaya MeisamifardLab 1No longer IA
AASHTO T210 Aggregate Durability Index 2023-05-19ActiveLoren LeeLab 1(No comments)
AASHTO T248 Reducing Samples of Agg. (JTCP - HMA I)2022-09-13ActiveLoren LeeLab 1No longer IA
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)2022-09-13ActiveSarbjit GrewalLab 1No longer IA
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)2022-11-21ActiveShaya MeisamifardLab 1No longer IA
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)2022-11-21ActiveShaya MeisamifardLab 1No longer IA
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)2022-09-13ActiveSarbjit GrewalLab 1No longer IA
AASHTO T283 Moisture Induced Damage (TSR) 2023-05-19ActiveLoren LeeLab 1(No comments)
AASHTO T304 Uncompacted Void - Fine Aggregate 2023-05-19ActiveLoren LeeLab 1(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)2022-11-21ActiveShaya MeisamifardLab 1No longer IA
AASHTO T312 Gyratory Compactor 2023-05-19ActiveLoren LeeLab 1(No comments)
AASHTO T324 Hamburg Wheel-Track 2023-05-19ActiveLoren LeeLab 1(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)2022-09-13ActiveSarbjit GrewalLab 1No longer IA
AASHTO T335 Percentage of Fracture (JTCP - HMA I)2022-09-13ActiveSarbjit GrewalLab 1No longer IA
AASHTO T84 SpG & Absorption - Fine Aggregates 2023-05-19ActiveLoren LeeLab 1(No comments)
AASHTO T85 SpG & Absorption - Coarse Aggregates 2023-05-19ActiveLoren LeeLab 1(No comments)
AASHTO T96 L.A. Rattler 2023-05-19ActiveLoren LeeLab 1(No comments)
ASTM D4791 Flat and Elongated Particles 2023-05-19ActiveLoren LeeLab 1(No comments)