Caltrans SIAD -

Certificates for Jeff Lehti

Basic Information

First Name	Jeff
Last Name	Lehti
Status	Active

Associated Labs

Lab Name	Lab Lab Manager Name	Full Address	Lab Lab District	Page Alias
No results found.

Test Methods

California Test (CT) Certifications

Total 20 items.

Test Method	Expiration Date	Status	IA Responsible	Within Lab(s) Scope	Comments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)	2023-06-30	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 106 Definitions - Specific Gravity (SpG)	2020-04-27	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)	2023-05-06	Expired	Loren Lee	(No lab)	(No comments)
CT 125 BIT Sampling - BITUMINOUS	2021-05-06	Expired	Loren Lee	(No lab)	(No comments)
CT 125 GEN Sampling - GENERAL	2021-05-06	Expired	Loren Lee	(No lab)	(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)	2023-05-06	Expired	Loren Lee	(No lab)	(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)	2023-06-30	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)	2018-03-25	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 211 LA Rattler	2020-04-27	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)	2018-03-25	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 217 Sand Equivalent (JTCP - S&A)	2018-03-25	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)	2018-03-25	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 229 Durability (JTCP - S&A)	2018-03-25	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 231 Relative Compaction - Nuclear Gage	2021-05-06	Expired	Loren Lee	(No lab)	(No comments)
CT 308 Bulk SpG and Density - HMA	2020-04-27	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 309 Max SpG and Density - HMA	2020-04-27	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 370 Moisture Content by Microwave	2020-04-27	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 375 AC Density by Nuclear Gage	2021-05-06	Expired	Loren Lee	(No lab)	(No comments)
CT 382 AC Content by Ignition Oven	2020-04-27	Expired	Natalie Rivinius	(No lab)	(No comments)
CT 384 Combined Grade for HMA using up to 25% RAP	2020-04-27	Expired	Natalie Rivinius	(No lab)	(No comments)

AASHTO/ASTM Proficiencies

Total 9 items.

Test Method	Expiration Date	Status	IA Responsible	Within Lab(s) Scope	Comments
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)	2018-03-25	Expired	Natalie Rivinius	(No lab)	(No comments)
AASHTO T96 L.A. Rattler	2020-04-27	Expired	Natalie Rivinius	(No lab)	(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)	2018-03-25	Expired	Natalie Rivinius	(No lab)	(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)	2018-03-25	Expired	Natalie Rivinius	(No lab)	(No comments)
AASHTO T210 Aggregate Durability Index	2020-04-27	Expired	Natalie Rivinius	(No lab)	(No comments)
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)	2018-03-25	Expired	Natalie Rivinius	(No lab)	(No comments)
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)	2018-03-25	Expired	Natalie Rivinius	(No lab)	(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)	2018-03-25	Expired	Natalie Rivinius	(No lab)	(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)	2018-03-25	Expired	Natalie Rivinius	(No lab)	(No comments)