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 Rd, San Diego, CA 92126
Zip92126
Lab TypePrivate
District11

RSP Information

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

Test Methods

California Test (CT) Accreditations

Total 45 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTester Certified?
CT 105: Calculations - Gradings (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 106: Definitions - Specific Gravity (SpG)2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 125 ADMIX: Sampling - ADMIXTURE2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 125 AGG: Sampling - AGGREGATES (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 125 BIT: Sampling - BITUMINOUS2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 125 CEM: Sampling - CEM2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 125 GEN: Sampling - GENERAL2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 125 HMA: Sampling - HMA (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 204: LL, PL, PI2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 205: Percent Crushed Particles (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 206: SpG & Absorption - Coarse Aggregates2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 207: SpG & Absorption - Fine Aggregates2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 208: Apparent SpG - Fine Aggregates2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 209: SpG for Soil2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 213: Organic Impurities of PCC sand2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 217: Sand Equivalent (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 226: Moisture Content - Soils and Aggregates (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 227: Cleanness Value (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 229: Durability (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 231: Relative Compaction - Nuclear Gage2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 235: Flat and Elongated Particles2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 301: "R" Value2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 304: Sample Preparation - HMA2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 308: Bulk SpG and Density - HMA2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 309: Max SpG and Density - HMA2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 366: Stabilometer2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 367: OBC2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 370: Moisture Content by Microwave2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 371: Moisture Induced Damage (TSR)2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 375: AC Density by Nuclear Gage2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 382: AC Content by Ignition Oven2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 518: Unit Weight - PCC (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 521: Compressive Strength - PCC2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 533: Ball Penetration - PCC2021-10-272022-10-27ActiveRoy(Chip) DennerNo
CT 539: Sampling Fresh Concrete (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 540: Making Cylinders - PCC (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 556: Slump - PCC (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 557: Temperature - PCC (JTCP)2021-10-272022-10-27ActiveRoy(Chip) DennerYes
CT 643: Resistivity and pH Measurements2021-10-272022-10-27ActiveRoy(Chip) DennerYes

AASHTO/ASTM Proficiencies

Testers in the Lab

Tester Summary

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

Tester Details

Details for Jan Krehbiel

First NameJan
Last NameKrehbiel
StatusActive
Total 22 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2017-02-282023-06-30ActiveBrandt HouchenYes
CT 106: Definitions - Specific Gravity (SpG)2017-02-282023-06-30ActiveBrandt HouchenYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2017-02-282023-06-30ActiveBrandt 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" Value2020-07-142022-07-14ActiveAfsaneh OstovarYes
CT 304: Sample Preparation - HMA2020-07-142022-07-14ActiveAfsaneh OstovarYes
CT 308: Bulk SpG and Density - HMA2020-07-142022-07-14ActiveAfsaneh OstovarYes
CT 309: Max SpG and Density - HMA2020-07-142022-07-14ActiveAfsaneh OstovarYes
CT 366: Stabilometer2020-07-142022-07-14ActiveAfsaneh OstovarYes
CT 370: Moisture Content by Microwave2020-07-142022-07-14ActiveAfsaneh OstovarYes
CT 382: AC Content by Ignition Oven2020-07-142022-07-14ActiveAfsaneh OstovarYes
CT 417: Test for Sulfate Content2019-08-222021-08-22ExpiredAfsaneh OstovarYes
CT 422: Test for Chloride Content2019-08-222021-08-22ExpiredAfsaneh OstovarYes
CT 521: Compressive Strength - PCC2017-09-192019-09-19ExpiredRoy(Chip) DennerYes
CT 643: Resistivity and pH Measurements2021-07-262023-07-26ActiveRoy(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 15 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2016-03-102023-06-30ActiveBrandt HouchenYes
CT 106: Definitions - Specific Gravity (SpG)2016-03-102023-06-30ActiveBrandt HouchenYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2016-03-102023-06-30ActiveBrandt HouchenYes
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: Compressive Strength - PCC2016-05-102018-05-10ExpiredBrandt HouchenYes
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 8 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 504: Air Content of PCC - Pressure Method (JTCP)2019-06-152024-06-15ActiveJackie TreatYes
CT 518: Unit Weight - PCC (JTCP)2019-06-152024-06-15ActiveJackie TreatYes
CT 521: Compressive Strength - PCC2019-01-312021-01-31ExpiredAfsaneh OstovarYes
CT 539: Sampling Fresh Concrete (JTCP)2019-06-152024-06-15ActiveJackie TreatYes
CT 540: Making Cylinders - PCC (JTCP)2019-06-152024-06-15ActiveJackie TreatYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2019-06-152024-06-15ActiveJackie TreatYes
CT 556: Slump - PCC (JTCP)2019-06-152024-06-15ActiveJackie TreatYes
CT 557: Temperature - PCC (JTCP)2019-06-152024-06-15ActiveJackie TreatYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.