Lab details for Group Delta

Basic Information

Lab NameGroup Delta
Manager NameJanice Krehbiel
Lab Emailjank@groupdelta.com
Lab Telephone858-536-1000
Lab Fax858-536-8311
Lab Full Address9245 Activity Road, San Diego, CA 92126
Zip92126
Lab TypePrivate
District11
Mobile Lab Full Address, ,
Mobile Lab Tel(not set)

RSP Information

9245 Acitivity Road, Suite 103, San Diego, CA 92126

Test Methods

California Test (CT) Accreditations

Total 44 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTechnician Certified?
CT 105: Calculations - Gradings (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 106: Definitions - Specific Gravity (SpG)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 125 ADMIX: Sampling - ADMIXTURE2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 125 AGG: Sampling - AGGREGATES (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 125 BIT: Sampling - BITUMINOUS2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 125 CEM: Sampling - CEM2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 125 GEN: Sampling - GENERAL2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 125 HMA: Sampling - HMA (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 204: LL, PL, PI2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 205: Percent Crushed Particles (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 206: SpG & Absorption - Coarse Aggregates2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 207: SpG & Absorption - Fine Aggregates2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 208: Apparent SpG - Fine Aggregates2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 209: SpG for Soil2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 213: Organic Impurities of PCC sand2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 217: Sand Equivalent (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 226: Moisture Content - Soils and Aggregates (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 227: Cleanness Value (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 229: Durability (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 231: Relative Compaction - Nuclear Gage2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 235: Flat and Elongated Particles2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 301: "R" Value2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 304: Sample Preparation - HMA2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 308: Bulk SpG and Density - HMA2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 309: Max SpG and Density - HMA2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 366: Stabilometer2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 367: OBC2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 370: Moisture Content by Microwave2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 371: Moisture Induced Damage (TSR)2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 375: AC Density by Nuclear Gage2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 382: AC Content by Ignition Oven2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 518: Unit Weight - PCC (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 533: Ball Penetration - PCC2023-10-192024-10-19ActiveRoy(Chip) DennerNo
CT 539: Sampling Fresh Concrete (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 540: Making Cylinders - PCC (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 556: Slump - PCC (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 557: Temperature - PCC (JTCP)2023-10-192024-10-19ActiveRoy(Chip) DennerYes
CT 643: Resistivity and pH Measurements2023-10-192024-10-19ActiveRoy(Chip) DennerNo

AASHTO/ASTM Proficiencies

Technicians in the Lab

Technician Summary

Total 3 items.
First NameLast NameActions
JanKrehbiel View
Robert (Chase)Valarde View
JustinEstes View

Technician Details

Details for Jan Krehbiel

First NameJan
Last NameKrehbiel
StatusActive
Total 23 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2017-02-282023-06-30ExpiredBrandt HouchenYes
CT 106: Definitions - Specific Gravity (SpG)2017-02-282023-06-30ExpiredBrandt HouchenYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2017-02-282023-06-30ExpiredBrandt HouchenYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2017-02-282019-02-28ExpiredBrandt HouchenYes
CT 204: LL, PL, PI2017-08-252019-08-25ExpiredRoy(Chip) DennerYes
CT 206: SpG & Absorption - Coarse Aggregates2017-08-252019-08-25ExpiredRoy(Chip) DennerYes
CT 207: SpG & Absorption - Fine Aggregates2017-08-252019-08-25ExpiredRoy(Chip) DennerYes
CT 211: LA Rattler2015-08-252017-08-25ExpiredRoy(Chip) DennerYes
CT 217: Sand Equivalent (JTCP)2017-02-282019-02-28ExpiredBrandt HouchenYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2017-02-282019-02-28ExpiredBrandt HouchenYes
CT 229: Durability (JTCP)2017-08-252019-08-25ExpiredRoy(Chip) DennerYes
CT 301: "R" Value2022-07-272024-07-27ActiveAnthony OrtizYes
CT 304: Sample Preparation - HMA2022-07-272024-07-27ActiveAnthony OrtizYes
CT 308: Bulk SpG and Density - HMA2022-07-272024-07-27ActiveAnthony OrtizYes
CT 309: Max SpG and Density - HMA2022-07-272024-07-27ActiveAnthony OrtizYes
CT 366: Stabilometer2022-07-272024-07-27ActiveAnthony OrtizYes
CT 370: Moisture Content by Microwave2020-07-142022-07-14ExpiredAfsaneh OstovarYes
CT 382: AC Content by Ignition Oven2022-07-272024-07-27ActiveAnthony OrtizYes
CT 417: Test for Sulfate Content2019-08-222021-08-22ExpiredAfsaneh OstovarYes
CT 422: Test for Chloride Content2019-08-222021-08-22ExpiredAfsaneh OstovarYes
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2017-09-192019-09-19ExpiredRoy(Chip) DennerNo
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2017-09-192019-09-19ExpiredRoy(Chip) DennerNo
CT 643: Resistivity and pH Measurements2023-07-182024-07-18ExpiredRoy(Chip) DennerYes
Total 8 items.
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2017-02-282019-02-28ExpiredBrandt HouchenYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2017-02-282019-02-28ExpiredBrandt HouchenYes
AASHTO T176: Sand Equivalent (JTCP)2017-02-282019-02-28ExpiredBrandt HouchenYes
AASHTO T209: Max SpG and Density - HMA (JTCP)2016-05-102018-05-10ExpiredBrandt HouchenYes
AASHTO T269: Percent Air Voids - HMA (JTCP)2016-05-102018-05-10ExpiredBrandt HouchenYes
AASHTO T275: Bulk SpG - HMA (JTCP)2016-05-102018-05-10ExpiredBrandt HouchenYes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2016-05-102018-05-10ExpiredBrandt HouchenYes
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2016-05-102018-05-10ExpiredBrandt HouchenYes

Details for Robert (Chase) Valarde

First NameRobert (Chase)
Last NameValarde
StatusActive
Total 16 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2016-03-102019-03-10ExpiredRobby RodriguezYes
CT 106: Definitions - Specific Gravity (SpG)2016-03-102018-03-10ExpiredRobby RodriguezYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2016-03-102019-03-10ExpiredRobby RodriguezYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2016-03-102017-03-10ExpiredBrandt HouchenYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2015-12-172017-12-17ExpiredBrandt HouchenYes
CT 217: Sand Equivalent (JTCP)2016-03-102017-03-10ExpiredBrandt HouchenYes
CT 304: Sample Preparation - HMA2016-05-102018-05-10ExpiredBrandt HouchenYes
CT 308: Bulk SpG and Density - HMA2016-05-102018-05-10ExpiredBrandt HouchenYes
CT 309: Max SpG and Density - HMA2016-05-102018-05-10ExpiredBrandt HouchenYes
CT 366: Stabilometer2016-05-102018-05-10ExpiredBrandt HouchenYes
CT 370: Moisture Content by Microwave2016-05-102018-05-10ExpiredBrandt HouchenYes
CT 382: AC Content by Ignition Oven2016-05-102018-05-10ExpiredBrandt HouchenYes
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2016-05-102018-05-10ExpiredBrandt HouchenNo
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2016-05-102018-05-10ExpiredBrandt HouchenNo
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2016-03-102017-03-10ExpiredBrandt HouchenYes
CT 523.2 Section B.3: Flexural Strength (Lab Test)2016-03-102017-03-10ExpiredBrandt HouchenNo
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Justin Estes

First NameJustin
Last NameEstes
StatusActive
Total 10 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 518: Unit Weight - PCC (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2019-01-312021-01-31ExpiredAfsaneh OstovarNo
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2019-01-312021-01-31ExpiredAfsaneh OstovarNo
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 539: Sampling Fresh Concrete (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 540: Making Cylinders - PCC (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 556: Slump - PCC (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 557: Temperature - PCC (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.