Lab details for Twining Laboratories

Basic Information

Lab NameTwining Laboratories
Manager NameRobert Clevenger
Lab Emailrclevenger@twininginc.com
Lab Telephone858-974-3750
Lab Fax858-974-3752
Lab Full Address15950 Bernardo Center Dr., Suite J, San Diego, CA 92127
Zip92127
Lab TypePrivate
District11

RSP Information

15950 Bernardo Center Dr., Suite J, San Diego, CA 92127

Test Methods

California Test (CT) Accreditations

Total 59 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTester Certified?
CT 301: "R" Value2020-06-162021-06-16InactiveRoy(Chip) DennerNo
CT 371: Moisture Induced Damage (TSR)2020-06-162021-06-16InactiveRoy(Chip) DennerNo
CT 105: Calculations - Gradings (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 106: Definitions - Specific Gravity (SpG)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 125 ADMIX: Sampling - ADMIXTURE2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 125 BIT: Sampling - BITUMINOUS2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 125 CEM: Sampling - CEM2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 125 GEN: Sampling - GENERAL2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 125 HMA: Sampling - HMA (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 204: LL, PL, PI2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 205: Percent Crushed Particles (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 206: SpG & Absorption - Coarse Aggregates2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 207: SpG & Absorption - Fine Aggregates2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 208: Apparent SpG - Fine Aggregates2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 209: SpG for Soil2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 211: LA Rattler2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 212: Unit Weight of Aggregates2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 213: Organic Impurities of PCC sand2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 214: Sodium Sulfate Soundness2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 217: Sand Equivalent (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 223: Surface Moisture in PCC Aggregates2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 224: Bulk SpG - Coarse Agg (S.S.D.)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 225: Bulk SpG - Fine Agg (S.S.D.)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 226: Moisture Content - Soils and Aggregates (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 227: Cleanness Value (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 229: Durability (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 231: Relative Compaction - Nuclear Gage2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 234: Uncompacted void - Fine Aggregates2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 235: Flat and Elongated Particles2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 302: Film Stripping - HMA2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 304: Sample Preparation - HMA2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 305: Swell Test - HMA (DELETED)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 308: Bulk SpG and Density - HMA2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 309: Max SpG and Density - HMA2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 366: Stabilometer2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 367: OBC2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 370: Moisture Content by Microwave2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 375: AC Density by Nuclear Gage2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 382: AC Content by Ignition Oven2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 384: Combined Grade for HMA using up to 25% RAP2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 504: Air Content of PCC - Pressure Method (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 515: Relative Mortar Strength PCC Sand2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 518: Unit Weight - PCC (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 521: Compressive Strength - PCC2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 524: Flexural Strength of Rapid Strength - PCC2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 529: Proportions in PCC - Coarse Aggregates2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 531: Core Length - PCC2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 533: Ball Penetration - PCC2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 539: Sampling Fresh Concrete (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 540: Making Cylinders - PCC (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 541: Flow Cone2021-04-222022-04-22ActiveRoy(Chip) DennerNo
CT 543: Air Content of PCC - Volumetric Method (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 556: Slump - PCC (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 557: Temperature - PCC (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerYes

AASHTO/ASTM Proficiencies

Total 16 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTester Certified?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T84: SpG & Absorption - Fine Aggregates2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T85: SpG & Absorption - Coarse Aggregates2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T176: Sand Equivalent (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T209: Max SpG and Density - HMA (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T269: Percent Air Voids - HMA (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T275: Bulk SpG - HMA (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T283: Moisture Induced Damage (TSR)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T304: Uncompacted Void - Fine Aggregate2021-04-222022-04-22ActiveRoy(Chip) DennerYes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T312: Gyratory Compactor2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T324: Hamburg Wheel-Track2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
AASHTO T335: Percentage of Fracture (JTCP)2021-04-222022-04-22ActiveRoy(Chip) DennerNo
ASTM D4791: Flat and Elongated Particles2021-04-222022-04-22ActiveRoy(Chip) DennerYes

Testers in the Lab

Tester Summary

Total 16 items.
First NameLast NameActions
DavidScherer View
JefferyRichardson View
JosephWallen View
JasonBarron View
JoseFranco-Casas View
RobertClevenger View
CliftonHawk View
FidencioViramontes View
MattArcos View
RichardWilliams View
ScottJessup View
MarkOsuna View
SteveCappello View
RobertCypher View
FreagMessiha View
JamesPacker View

Tester Details

Details for David Scherer

First NameDavid
Last NameScherer
StatusActive
Total 28 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2020-03-062023-06-30ActiveSarbjit GrewalYes
CT 125 ADMIX: Sampling - ADMIXTURE2020-04-272021-04-27ExpiredMajid FahrtoshYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2020-03-062023-03-06ActiveSarbjit GrewalYes
CT 125 BIT: Sampling - BITUMINOUS2020-04-272021-04-27ExpiredMajid FahrtoshYes
CT 125 CEM: Sampling - CEM2020-04-272021-04-27ExpiredMajid FahrtoshYes
CT 125 GEN: Sampling - GENERAL2020-04-272021-04-27ExpiredMajid FahrtoshYes
CT 125 HMA: Sampling - HMA (JTCP)2020-04-272021-04-27ExpiredMajid FahrtoshYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2020-03-062023-06-30ActiveSarbjit GrewalYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2020-03-062023-03-06ActiveSarbjit GrewalYes
CT 205: Percent Crushed Particles (JTCP)2020-03-062023-03-06ActiveSarbjit GrewalYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2020-03-062023-03-06ActiveSarbjit GrewalYes
CT 217: Sand Equivalent (JTCP)2020-03-062023-03-06ActiveSarbjit GrewalYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2020-03-062023-03-06ActiveSarbjit GrewalYes
CT 227: Cleanness Value (JTCP)2020-03-062023-03-06ActiveSarbjit GrewalYes
CT 229: Durability (JTCP)2020-03-062023-03-06ActiveSarbjit GrewalYes
CT 231: Relative Compaction - Nuclear Gage2021-10-142022-10-14ActiveBrandt HouchenYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2019-07-132024-07-13ActiveJackie TreatYes
CT 518: Unit Weight - PCC (JTCP)2019-07-132024-07-13ActiveJackie TreatYes
CT 521: Compressive Strength - PCC2021-06-102023-06-10ActiveBrandt HouchenYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2021-06-102023-06-10ActiveBrandt HouchenYes
CT 523.2 Section B.3: Flexural Strength (Lab Test)2021-06-102023-06-10ActiveBrandt HouchenNo
CT 524: Flexural Strength of Rapid Strength - PCC2021-06-102023-06-10ActiveBrandt HouchenYes
CT 533: Ball Penetration - PCC2021-06-102023-06-10ActiveBrandt HouchenYes
CT 539: Sampling Fresh Concrete (JTCP)2019-07-132024-07-13ActiveJackie TreatYes
CT 540: Making Cylinders - PCC (JTCP)2019-07-132024-07-13ActiveJackie TreatYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2019-07-132024-07-13ActiveJackie TreatYes
CT 556: Slump - PCC (JTCP)2019-07-132024-07-13ActiveJackie TreatYes
CT 557: Temperature - PCC (JTCP)2019-07-132024-07-13ActiveJackie TreatYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Jeffery Richardson

First NameJeffery
Last NameRichardson
StatusActive
Total 21 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 ADMIX: Sampling - ADMIXTURE2017-08-312019-08-31ExpiredRoy(Chip) DennerYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2019-08-232021-08-23ExpiredRoy(Chip) DennerYes
CT 125 BIT: Sampling - BITUMINOUS2017-08-312019-08-31ExpiredRoy(Chip) DennerYes
CT 125 CEM: Sampling - CEM2017-08-312019-08-31ExpiredRoy(Chip) DennerYes
CT 125 GEN: Sampling - GENERAL2019-08-232021-08-23ExpiredRoy(Chip) DennerYes
CT 125 HMA: Sampling - HMA (JTCP)2017-08-312019-08-31ExpiredRoy(Chip) DennerYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2017-08-312019-08-31ExpiredRoy(Chip) DennerYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2017-08-312019-08-31ExpiredRoy(Chip) DennerYes
CT 231: Relative Compaction - Nuclear Gage2019-08-232021-08-23ExpiredRoy(Chip) DennerYes
CT 375: AC Density by Nuclear Gage2020-12-092021-12-09ExpiredRoy(Chip) DennerYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2021-04-162026-04-16ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2021-04-162026-04-16ActiveSarbjit GrewalYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2017-12-122019-12-12ExpiredRoy(Chip) DennerYes
CT 523.2 Section B.3: Flexural Strength (Lab Test)2017-12-122019-12-12ExpiredRoy(Chip) DennerNo
CT 524: Flexural Strength of Rapid Strength - PCC2017-12-122019-12-12ExpiredRoy(Chip) DennerYes
CT 533: Ball Penetration - PCC2017-12-122019-12-12ExpiredRoy(Chip) DennerYes
CT 539: Sampling Fresh Concrete (JTCP)2021-04-162026-04-16ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2021-04-162026-04-16ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2021-04-162026-04-16ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2021-04-162026-04-16ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2021-04-162026-04-16ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Joseph Wallen

First NameJoseph
Last NameWallen
StatusActive
Total 26 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2021-06-042024-06-04ActiveSoroosh AmelianYes
CT 125 ADMIX: Sampling - ADMIXTURE2021-04-232023-04-23ActiveMajid FahrtoshYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2021-06-042024-06-04ActiveSoroosh AmelianYes
CT 125 BIT: Sampling - BITUMINOUS2021-04-232023-04-23ActiveMajid FahrtoshYes
CT 125 CEM: Sampling - CEM2021-04-232023-04-23ActiveMajid FahrtoshYes
CT 125 GEN: Sampling - GENERAL2021-04-232023-04-23ActiveMajid FahrtoshYes
CT 125 HMA: Sampling - HMA (JTCP)2018-04-302021-04-30ExpiredAshley ShawYes
CT 125 HMA: Sampling - HMA2021-04-232023-04-23ActiveMajid FahrtoshNo
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2021-06-042024-06-04ActiveSoroosh AmelianYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2021-06-042024-06-04ActiveSoroosh AmelianYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2021-06-042024-06-04ActiveSoroosh AmelianYes
CT 217: Sand Equivalent (JTCP)2021-06-042024-06-04ActiveSoroosh AmelianYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2021-06-042024-06-04ActiveSoroosh AmelianYes
CT 227: Cleanness Value (JTCP)2021-06-042024-06-04ActiveSoroosh AmelianYes
CT 231: Relative Compaction - Nuclear Gage2021-02-042022-02-04ActiveChad ClaxtonYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-07-212023-07-21ActiveRichard HibbardYes
CT 518: Unit Weight - PCC (JTCP)2018-07-212023-07-21ActiveRichard HibbardYes
CT 521: Compressive Strength - PCC2021-04-232022-04-23ActiveMajid FahrtoshYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2019-12-122021-12-12ExpiredMajid FahrtoshYes
CT 523.2 Section B.3: Flexural Strength (Lab Test)2019-12-122021-12-12ExpiredMajid FahrtoshNo
CT 533: Ball Penetration - PCC2019-12-122021-12-12ExpiredMajid FahrtoshYes
CT 539: Sampling Fresh Concrete (JTCP)2018-07-212023-07-21ActiveRichard HibbardYes
CT 540: Making Cylinders - PCC (JTCP)2018-07-212023-07-21ActiveRichard HibbardYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-07-212023-07-21ActiveRichard HibbardYes
CT 556: Slump - PCC (JTCP)2018-07-212023-07-21ActiveRichard HibbardYes
CT 557: Temperature - PCC (JTCP)2018-07-212023-07-21ActiveRichard HibbardYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Jason Barron

First NameJason
Last NameBarron
StatusActive
Total 15 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2017-06-232019-06-23ExpiredRoy(Chip) DennerYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2017-06-232019-06-23ExpiredRoy(Chip) DennerYes
CT 231: Relative Compaction - Nuclear Gage2019-08-212021-08-21ExpiredRoy(Chip) DennerYes
CT 375: AC Density by Nuclear Gage2019-08-212021-08-21ExpiredRoy(Chip) DennerYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2019-10-262024-10-26ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2019-10-262024-10-26ActiveSarbjit GrewalYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2016-02-242018-02-24ExpiredRoy(Chip) DennerYes
CT 523.2 Section B.3: Flexural Strength (Lab Test)2020-12-092022-12-09ActiveRoy(Chip) DennerNo
CT 524: Flexural Strength of Rapid Strength - PCC2020-12-092022-12-09ActiveRoy(Chip) DennerYes
CT 533: Ball Penetration - PCC2020-12-092022-12-09ActiveRoy(Chip) DennerYes
CT 539: Sampling Fresh Concrete (JTCP)2019-10-262024-10-26ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2019-10-262024-10-26ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2019-10-262024-10-26ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2019-10-262024-10-26ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2019-10-262024-10-26ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Jose Franco-Casas

First NameJose
Last NameFranco-Casas
StatusActive
Total 29 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2018-09-282021-09-28ExpiredBiplab BhattacharyaYes
CT 106: Definitions - Specific Gravity (SpG)2013-08-162023-06-30ActiveRoy(Chip) DennerYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2018-09-282021-09-28ExpiredBiplab BhattacharyaYes
CT 125 AGG: Sampling - AGGREGATES2020-08-172022-08-17ActiveRoy(Chip) DennerNo
CT 125 CEM: Sampling - CEM2016-09-022018-09-02ExpiredRoy(Chip) DennerYes
CT 125 GEN: Sampling - GENERAL2020-08-172022-08-17ActiveRoy(Chip) DennerYes
CT 125 HMA: Sampling - HMA (JTCP)2016-09-022018-09-02ExpiredRoy(Chip) DennerYes
CT 125 HMA: Sampling - HMA2020-08-172022-08-17ActiveRoy(Chip) DennerNo
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2018-09-282021-09-28ExpiredBiplab BhattacharyaYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2018-09-282021-09-28ExpiredBiplab BhattacharyaYes
CT 205: Percent Crushed Particles (JTCP)2018-09-282021-09-28ExpiredBiplab BhattacharyaYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2018-09-282021-09-28ExpiredBiplab BhattacharyaYes
CT 217: Sand Equivalent (JTCP)2018-09-282021-09-28ExpiredBiplab BhattacharyaYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2018-09-282021-09-28ExpiredBiplab BhattacharyaYes
CT 227: Cleanness Value (JTCP)2018-09-282021-09-28ExpiredBiplab BhattacharyaYes
CT 229: Durability (JTCP)2018-09-282021-09-28ExpiredBiplab BhattacharyaYes
CT 231: Relative Compaction - Nuclear Gage2020-08-172022-08-17ActiveRoy(Chip) DennerYes
CT 375: AC Density by Nuclear Gage2020-08-172022-08-17ActiveRoy(Chip) DennerYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2017-04-292022-04-29ActiveBiplab BhattacharyaYes
CT 518: Unit Weight - PCC (JTCP)2017-04-292022-04-29ActiveBiplab BhattacharyaYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2016-09-022018-09-02ExpiredRoy(Chip) DennerYes
CT 523.2 Section B.3: Flexural Strength (Lab Test)2016-09-022018-09-02ExpiredRoy(Chip) DennerNo
CT 524: Flexural Strength of Rapid Strength - PCC2021-10-262022-10-26ActiveBrandt HouchenYes
CT 533: Ball Penetration - PCC2021-10-262022-10-26ActiveBrandt HouchenYes
CT 539: Sampling Fresh Concrete (JTCP)2017-04-292022-04-29ActiveBiplab BhattacharyaYes
CT 540: Making Cylinders - PCC (JTCP)2017-04-292022-04-29ActiveBiplab BhattacharyaYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2017-04-292022-04-29ActiveBiplab BhattacharyaYes
CT 556: Slump - PCC (JTCP)2017-04-292022-04-29ActiveBiplab BhattacharyaYes
CT 557: Temperature - PCC (JTCP)2017-04-292022-04-29ActiveBiplab BhattacharyaYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Robert Clevenger

First NameRobert
Last NameClevenger
StatusActive
Total 40 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2020-01-172023-01-17ActiveSarbjit GrewalYes
CT 106: Definitions - Specific Gravity (SpG)2017-03-122023-06-30ActiveRoy(Chip) DennerYes
CT 125 AGG: Sampling - AGGREGATES (JTCP)2020-01-172023-01-17ActiveSarbjit GrewalYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2020-01-172023-01-17ActiveSarbjit GrewalYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2020-01-172023-01-17ActiveSarbjit GrewalYes
CT 204: LL, PL, PI2021-08-052023-08-05ActiveRoy(Chip) DennerYes
CT 205: Percent Crushed Particles (JTCP)2020-01-172023-01-17ActiveSarbjit GrewalYes
CT 206: SpG & Absorption - Coarse Aggregates2020-08-042022-08-04ActiveRoy(Chip) DennerYes
CT 207: SpG & Absorption - Fine Aggregates2020-08-042022-08-04ActiveRoy(Chip) DennerYes
CT 208: Apparent SpG - Fine Aggregates2020-08-042022-08-04ActiveRoy(Chip) DennerYes
CT 214: Sodium Sulfate Soundness2021-08-052023-08-05ActiveRoy(Chip) DennerYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2020-01-172023-01-17ActiveSarbjit GrewalYes
CT 217: Sand Equivalent (JTCP)2020-01-172023-01-17ActiveSarbjit GrewalYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2020-01-172023-01-17ActiveSarbjit GrewalYes
CT 227: Cleanness Value (JTCP)2020-01-172023-01-17ActiveSarbjit GrewalYes
CT 229: Durability (JTCP)2020-01-172023-01-17ActiveSarbjit GrewalYes
CT 234: Uncompacted void - Fine Aggregates2020-08-042021-08-04ExpiredRoy(Chip) DennerYes
CT 235: Flat and Elongated Particles2021-08-052023-08-05ActiveRoy(Chip) DennerYes
CT 304: Sample Preparation - HMA2020-08-042022-08-04ActiveRoy(Chip) DennerYes
CT 308: Bulk SpG and Density - HMA2020-08-042022-08-04ActiveRoy(Chip) DennerYes
CT 309: Max SpG and Density - HMA2020-08-042022-08-04ActiveRoy(Chip) DennerYes
CT 366: Stabilometer2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 367: OBC2021-04-222022-04-22ActiveRoy(Chip) DennerYes
CT 370: Moisture Content by Microwave2020-08-042022-08-04ActiveRoy(Chip) DennerYes
CT 371: Moisture Induced Damage (TSR)2015-11-272017-11-27ExpiredRoy(Chip) DennerYes
CT 382: AC Content by Ignition Oven2020-08-042022-08-04ActiveRoy(Chip) DennerYes
CT 384: Combined Grade for HMA using up to 25% RAP2020-08-042021-08-04ExpiredRoy(Chip) DennerYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2017-10-212022-10-21ActiveJasdeep SandhuYes
CT 515: Relative Mortar Strength PCC Sand2019-08-262021-08-26ExpiredRoy(Chip) DennerYes
CT 518: Unit Weight - PCC (JTCP)2017-10-212022-10-21ActiveJasdeep SandhuYes
CT 521: Compressive Strength - PCC2021-08-052023-08-05ActiveRoy(Chip) DennerYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2021-08-052023-08-05ActiveRoy(Chip) DennerYes
CT 523.2 Section B.3: Flexural Strength (Lab Test)2021-08-052023-08-05ActiveRoy(Chip) DennerNo
CT 524: Flexural Strength of Rapid Strength - PCC2021-08-052023-08-05ActiveRoy(Chip) DennerYes
CT 533: Ball Penetration - PCC2016-06-162018-06-16ExpiredRoy(Chip) DennerYes
CT 539: Sampling Fresh Concrete (JTCP)2017-10-212022-10-21ActiveJasdeep SandhuYes
CT 540: Making Cylinders - PCC (JTCP)2017-10-212022-10-21ActiveJasdeep SandhuYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2017-10-212022-10-21ActiveJasdeep SandhuYes
CT 556: Slump - PCC (JTCP)2017-10-212022-10-21ActiveJasdeep SandhuYes
CT 557: Temperature - PCC (JTCP)2017-10-212022-10-21ActiveJasdeep SandhuYes
Total 13 items.
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2018-02-092020-02-09ExpiredRoy(Chip) DennerYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2018-02-092020-02-09ExpiredRoy(Chip) DennerYes
AASHTO T84: SpG & Absorption - Fine Aggregates2017-10-092019-10-09ExpiredRoy(Chip) DennerYes
AASHTO T85: SpG & Absorption - Coarse Aggregates2017-10-092019-10-09ExpiredRoy(Chip) DennerYes
AASHTO T176: Sand Equivalent (JTCP)2018-02-092020-02-09ExpiredRoy(Chip) DennerYes
AASHTO T209: Max SpG and Density - HMA (JTCP)2017-02-222019-02-22ExpiredRoy(Chip) DennerYes
AASHTO T269: Percent Air Voids - HMA (JTCP)2017-10-092019-10-09ExpiredRoy(Chip) DennerYes
AASHTO T304: Uncompacted Void - Fine Aggregate2021-08-052023-08-05ActiveRoy(Chip) DennerYes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2017-10-092019-10-09ExpiredRoy(Chip) DennerYes
AASHTO T312: Gyratory Compactor2015-11-042017-11-04ExpiredRoy(Chip) DennerYes
AASHTO T324: Hamburg Wheel-Track2017-12-122019-12-12ExpiredRoy(Chip) DennerYes
AASHTO T335: Percentage of Fracture (JTCP)2017-10-092019-10-09ExpiredRoy(Chip) DennerYes
ASTM D4791: Flat and Elongated Particles2021-08-052023-08-05ActiveRoy(Chip) DennerYes

Details for Clifton Hawk

First NameClifton
Last NameHawk
StatusActive
Total 8 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 204: LL, PL, PI2015-09-012017-09-01ExpiredRoy(Chip) DennerYes
CT 205: Percent Crushed Particles (JTCP)2015-09-012017-09-01ExpiredRoy(Chip) DennerYes
CT 206: SpG & Absorption - Coarse Aggregates2015-09-012017-09-01ExpiredRoy(Chip) DennerYes
CT 207: SpG & Absorption - Fine Aggregates2015-09-012017-09-01ExpiredRoy(Chip) DennerYes
CT 208: Apparent SpG - Fine Aggregates2015-09-012017-09-01ExpiredRoy(Chip) DennerYes
CT 229: Durability (JTCP)2015-09-012017-09-01ExpiredRoy(Chip) DennerYes
CT 234: Uncompacted void - Fine Aggregates2015-09-012017-09-01ExpiredRoy(Chip) DennerYes
CT 235: Flat and Elongated Particles2015-09-012017-09-01ExpiredRoy(Chip) DennerYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Fidencio Viramontes

First NameFidencio
Last NameViramontes
StatusActive
Total 11 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2020-02-082025-02-08ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2020-02-082025-02-08ActiveSarbjit GrewalYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2017-06-062019-06-06ExpiredRoy(Chip) DennerYes
CT 523.2 Section B.3: Flexural Strength (Lab Test)2017-06-062019-06-06ExpiredRoy(Chip) DennerNo
CT 524: Flexural Strength of Rapid Strength - PCC2017-06-062019-06-06ExpiredRoy(Chip) DennerYes
CT 533: Ball Penetration - PCC2017-06-062019-06-06ExpiredRoy(Chip) DennerYes
CT 539: Sampling Fresh Concrete (JTCP)2020-02-082025-02-08ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2020-02-082025-02-08ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2020-02-082025-02-08ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2020-02-082025-02-08ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2020-02-082025-02-08ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Matt Arcos

First NameMatt
Last NameArcos
StatusActive
Total 15 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES2020-09-092022-09-09ActiveRoy(Chip) DennerNo
CT 125 GEN: Sampling - GENERAL2020-09-092022-09-09ActiveRoy(Chip) DennerYes
CT 125 HMA: Sampling - HMA2020-09-092022-09-09ActiveRoy(Chip) DennerNo
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2017-08-312019-08-31ExpiredRoy(Chip) DennerYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2017-08-312019-08-31ExpiredRoy(Chip) DennerYes
CT 231: Relative Compaction - Nuclear Gage2020-09-092022-09-09ActiveRoy(Chip) DennerYes
CT 375: AC Density by Nuclear Gage2020-09-092022-09-09ActiveRoy(Chip) DennerYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-04-212023-04-21ActiveJackie TreatYes
CT 518: Unit Weight - PCC (JTCP)2018-04-212023-04-21ActiveJackie TreatYes
CT 533: Ball Penetration - PCC2017-06-062019-06-06ExpiredRoy(Chip) DennerYes
CT 539: Sampling Fresh Concrete (JTCP)2018-04-212023-04-21ActiveJackie TreatYes
CT 540: Making Cylinders - PCC (JTCP)2018-04-212023-04-21ActiveJackie TreatYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-04-212023-04-21ActiveJackie TreatYes
CT 556: Slump - PCC (JTCP)2018-04-212023-04-21ActiveJackie TreatYes
CT 557: Temperature - PCC (JTCP)2018-04-212023-04-21ActiveJackie TreatYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Richard Williams

First NameRichard
Last NameWilliams
StatusActive
Total 17 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)2017-07-192019-07-19ExpiredRoy(Chip) DennerYes
CT 125 AGG: Sampling - AGGREGATES2020-09-162022-09-16ActiveRoy(Chip) DennerNo
CT 125 GEN: Sampling - GENERAL2020-09-162022-09-16ActiveRoy(Chip) DennerYes
CT 125 HMA: Sampling - HMA (JTCP)2017-07-192019-07-19ExpiredRoy(Chip) DennerYes
CT 125 HMA: Sampling - HMA2020-09-162022-09-16ActiveRoy(Chip) DennerNo
CT 231: Relative Compaction - Nuclear Gage2020-09-162022-09-16ActiveRoy(Chip) DennerYes
CT 375: AC Density by Nuclear Gage2020-09-162022-09-16ActiveRoy(Chip) DennerYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-06-232023-06-23ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2018-06-232023-06-23ActiveSarbjit GrewalYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2017-07-192019-07-19ExpiredRoy(Chip) DennerYes
CT 523.2 Section B.3: Flexural Strength (Lab Test)2017-07-192019-07-19ExpiredRoy(Chip) DennerNo
CT 533: Ball Penetration - PCC2017-07-192019-07-19ExpiredRoy(Chip) DennerYes
CT 539: Sampling Fresh Concrete (JTCP)2018-06-232023-06-23ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2018-06-232023-06-23ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-06-232023-06-23ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2018-06-232023-06-23ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2018-06-232023-06-23ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Scott Jessup

First NameScott
Last NameJessup
StatusActive
Total 5 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)2017-09-052018-09-05ExpiredAfsaneh OstovarYes
CT 125 GEN: Sampling - GENERAL2017-09-052018-09-05ExpiredAfsaneh OstovarYes
CT 125 HMA: Sampling - HMA (JTCP)2017-09-052018-09-05ExpiredAfsaneh OstovarYes
CT 231: Relative Compaction - Nuclear Gage2017-09-052018-09-05ExpiredAfsaneh OstovarYes
CT 375: AC Density by Nuclear Gage2017-09-052018-09-05ExpiredAfsaneh OstovarYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Mark Osuna

First NameMark
Last NameOsuna
StatusActive
Total 5 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)2017-09-262018-09-26ExpiredAfsaneh OstovarYes
CT 125 GEN: Sampling - GENERAL2017-09-262018-09-26ExpiredAfsaneh OstovarYes
CT 125 HMA: Sampling - HMA (JTCP)2017-09-262018-09-26ExpiredAfsaneh OstovarYes
CT 231: Relative Compaction - Nuclear Gage2017-09-262018-09-26ExpiredAfsaneh OstovarYes
CT 375: AC Density by Nuclear Gage2017-09-262018-09-26ExpiredAfsaneh OstovarYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Steve Cappello

First NameSteve
Last NameCappello
StatusActive
Total 7 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2020-10-182025-10-18ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2020-10-182025-10-18ActiveSarbjit GrewalYes
CT 539: Sampling Fresh Concrete (JTCP)2020-10-182025-10-18ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2020-10-182025-10-18ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2020-10-182025-10-18ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2020-10-182025-10-18ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2020-10-182025-10-18ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Robert Cypher

First NameRobert
Last NameCypher
StatusActive
Total 7 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-08-182023-08-18ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2018-08-182023-08-18ActiveSarbjit GrewalYes
CT 539: Sampling Fresh Concrete (JTCP)2018-08-182023-08-18ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2018-08-182023-08-18ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-08-182023-08-18ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2018-08-182023-08-18ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2018-08-182023-08-18ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Freag Messiha

First NameFreag
Last NameMessiha
StatusActive
Total 7 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2019-06-292024-06-29ActiveSarbjit GrewalYes
CT 518: Unit Weight - PCC (JTCP)2019-06-292024-06-29ActiveSarbjit GrewalYes
CT 539: Sampling Fresh Concrete (JTCP)2019-06-292024-06-29ActiveSarbjit GrewalYes
CT 540: Making Cylinders - PCC (JTCP)2019-06-292024-06-29ActiveSarbjit GrewalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2019-06-292024-06-29ActiveSarbjit GrewalYes
CT 556: Slump - PCC (JTCP)2019-06-292024-06-29ActiveSarbjit GrewalYes
CT 557: Temperature - PCC (JTCP)2019-06-292024-06-29ActiveSarbjit GrewalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for James Packer

First NameJames
Last NamePacker
StatusActive
Total 2 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 524: Flexural Strength of Rapid Strength - PCC2021-10-262022-10-26ActiveBrandt HouchenYes
CT 533: Ball Penetration - PCC2021-10-262022-10-26ActiveBrandt HouchenYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.