Technician Information for Dorell Harper

First NameDorell
Last NameHarper
Technician ID00902

Associated Labs

Lab NameLab Lab Manager NameFull AddressLab Lab DistrictPage Alias
No results found.

Test Methods

California Test (CT) Certifications

Total 37 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 557 Temperature - PCC (JTCP - PCC)2020-02-212025-02-21ExpiredJackie Treat(No lab)(No comments)
CT 556 Slump - PCC (JTCP - PCC)2020-02-212025-02-21ExpiredJackie Treat(No lab)(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2020-02-212025-02-21ExpiredJackie Treat(No lab)(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2020-02-212025-02-21ExpiredJackie Treat(No lab)(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2020-02-212025-02-21ExpiredJackie Treat(No lab)(No comments)
CT 533 Ball Penetration - PCC 2023-05-052024-05-05ExpiredRabiul Hyder(No lab)(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2023-01-262024-01-26ExpiredDonya Heidari(No lab)(No comments)
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2020-02-212025-02-21ExpiredDalton LaBoskey(No lab)(No comments)
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2023-01-262024-01-26ExpiredDonya Heidari(No lab)
Created based on CT521 certificate ID88511
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2023-01-262024-01-26ExpiredDonya Heidari(No lab) Created based on CT521 certificate ID88511
CT 518 Unit Weight - PCC (JTCP - PCC)2020-02-212025-02-21ExpiredJackie Treat(No lab)(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2020-02-212025-02-21ExpiredJackie Treat(No lab)(No comments)
CT 384 Combined Grade for HMA using up to 25% RAP 2018-08-282020-08-28ExpiredNatalie Rivinius(No lab)(No comments)
CT 382 AC Content by Ignition Oven 2017-05-032018-05-03ExpiredPedro Reyes(No lab)(No comments)
CT 370 Moisture Content by Microwave 2018-08-282020-08-28ExpiredNatalie Rivinius(No lab)(No comments)
CT 309 Max SpG and Density - HMA 2018-03-212019-03-21ExpiredJessa Dhaliwal(No lab)(No comments)
CT 308 Bulk SpG and Density - HMA 2018-08-282020-08-28ExpiredNatalie Rivinius(No lab)(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2021-11-192024-11-19ExpiredSoroosh Amelian(No lab)(No comments)
CT 234 Uncompacted void - Fine Aggregates 2018-01-182019-01-18ExpiredJessa Dhaliwal(No lab)(No comments)
CT 231 Relative Compaction - Nuclear Gage 2022-05-112024-05-11ExpiredShaya Meisamifard(No lab)(No comments)
CT 229 Durability (JTCP - S&A)2022-04-152025-04-15ExpiredAvinash Ralla(No lab)(No comments)
CT 227 Cleanness Value (JTCP - S&A)2022-04-152025-04-15ExpiredAvinash Ralla(No lab)(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2022-04-152025-04-15ExpiredAvinash Ralla(No lab)(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2022-04-152025-04-15ExpiredAvinash Ralla(No lab)(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2022-04-152025-04-15ExpiredAvinash Ralla(No lab)(No comments)
CT 211 LA Rattler 2017-05-032018-05-03ExpiredPedro Reyes(No lab)(No comments)
CT 207 SpG & Absorption - Fine Aggregates 2018-08-282020-08-28ExpiredNatalie Rivinius(No lab)(No comments)
CT 206 SpG & Absorption - Coarse Aggregates 2018-08-282020-08-28ExpiredNatalie Rivinius(No lab)(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2022-04-152025-04-15ExpiredAvinash Ralla(No lab)(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2022-04-152025-04-15ExpiredAvinash Ralla(No lab)(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2022-04-152025-04-15ExpiredAvinash Ralla(No lab)(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2021-11-192024-11-19ExpiredSoroosh Amelian(No lab)(No comments)
CT 125 GEN Sampling - GENERAL 2020-07-212022-07-21ExpiredLoren Lee(No lab)(No comments)
CT 125 BIT Sampling - BITUMINOUS 2020-07-212022-07-21ExpiredLoren Lee(No lab)(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2021-11-192024-11-19ExpiredSoroosh Amelian(No lab)(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2017-11-292023-06-30ExpiredJessa Dhaliwal(No lab)(No comments)
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2021-11-192024-11-19ExpiredSoroosh Amelian(No lab)(No comments)

AASHTO/ASTM Proficiencies

Total 18 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
ASTM D7741 AR Field Viscosity 2018-08-282020-08-28ExpiredNatalie Rivinius(No lab)(No comments)
AASHTO T85 SpG & Absorption - Coarse Aggregates 2018-03-212020-03-21ExpiredJessa Dhaliwal(No lab)(No comments)
AASHTO T84 SpG & Absorption - Fine Aggregates 2018-03-212020-03-21ExpiredJessa Dhaliwal(No lab)(No comments)
AASHTO T335 Percentage of Fracture (JTCP - HMA I)2021-11-192024-11-19ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)2021-11-192024-11-19ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T324 Hamburg Wheel-Track 2017-07-062019-07-06ExpiredPedro Reyes(No lab)(No comments)
AASHTO T312 Gyratory Compactor 2018-08-282020-08-28ExpiredNatalie Rivinius(No lab)(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)2021-12-022024-12-02ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)2021-11-192024-11-19ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)2021-12-022024-12-02ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)2021-12-022024-12-02ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)2021-11-192024-11-19ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)2021-12-022024-12-02ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)2021-11-192024-11-19ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)2021-12-022024-12-02ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)2021-11-192024-11-19ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)2021-11-192024-11-19ExpiredSoroosh Amelian(No lab)(No comments)
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)2021-11-192024-11-19ExpiredSoroosh Amelian(No lab)(No comments)