California / Toxic Substances Control

Agency file

Toxic Substances Control

Source file: California — State Employee Compensation (SCO Payroll Data Warehouse, CPRA) / ingested Jul 4, 2026

The Toxic Substances Control is a government agency that delivers public services and programs within its jurisdiction.

In 2025, this agency had 1,309 employees with median total compensation of $102,059; the highest distinct record was $298,588.

Year: 2025
Total payroll: $138.7M
Employees: 1,309
Median total: $102,059
Highest record: $298,588

What the records show

Compensation analytics

These summaries compare pay within the agency before listing individual records.

Salary distribution

-$5,776$188,507+

Hover a bar for its range; click to filter the list below.

How 2025 total compensation is spread across the 1,309 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($102,059) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

Base — $103,477 (98%)
Overtime — $334 (0%)
Other — $2,155 (2%)
Benefits — $0 (0%)

What an average paycheck here is made of — base salary versus overtime, other pay (bonuses, allowances), and benefits. A large overtime or other-pay share means take-home often exceeds base salary.

Pay percentiles

10th

25th

Median

75th

90th

$56,104

$77,309

$102,059

$135,141

$165,574

The pay ladder for this department. Someone at the 90th percentile earns $165,574 — more than 90% of the department; the 10th percentile earns $56,104. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Associate Governmental Program Analyst

149 · $76,436

Environmental Scientist

122 · $81,358

Hazardous Substances Engineer

112 · $113,353

Senior Environmental Scientist(Specialist)

98 · $106,889

Senior Hazardous Substances Engineer

59 · $145,219

The most common job titles in this department by headcount, with the median total compensation for each. Click a title to see everyone who holds it.

Trend

Year over year

How this department's total payroll, headcount, and median pay changed across the 3 published years.

Year	Total payroll	Employees	Median pay
2023	$120.6M —	1,261 —	$93,236 —
2024	$133.5M ▲ 10.8%	1,360 ▲ 7.9%	$92,612 ▼ 0.7%
2025	$138.7M ▲ 3.9%	1,309 ▼ 3.8%	$102,059 ▲ 10.2%

Compare

Similar departments

Departments elsewhere with the most similar mix of roles — a proxy for the same kind of agency, matched by workforce composition rather than name. Pay is not cost-of-living adjusted.

Department Resources Recycle/Recvry California70% match
Department of Environmental Quality Utah39% match

Record list

Employees

Page 2

Timothy Lee

Information Technology Manager I/Toxic Substances Control

2025 total comp

$150,169

Base pay: $146,499
Overtime: $0
Other pay: $3,670
Benefits: $0
Total compensation: $150,169
Employment type: Full-Time
Union / bargaining unit: M01
Work county: Sacramento
Middle name: B

Source-specific fields

Base Pay: $12,579
Cs/csu: Cs
Position Number: 8102501405003
Salary Total: $12,202
Total Pay: $150,169

Timothy Lee is a Information Technology Manager I at Toxic Substances Control. They work full-time. 2025 total compensation came to $150,169. Union affiliation: M01.

Taryn Stokell Buck

Supervising Hazardous Substances Engineer I/Toxic Substances Control

2025 total comp

$150,127

Base pay: $149,777
Overtime: $0
Other pay: $350
Benefits: $0
Total compensation: $150,127
Employment type: Full-Time
Union / bargaining unit: S09
Work county: Alameda
Middle name: K

Source-specific fields

Base Pay: $12,603
Cs/csu: Cs
Position Number: 8106523724122
Salary Total: $12,475
Total Pay: $150,127

Taryn Stokell Buck holds the role of Supervising Hazardous Substances Engineer I at Toxic Substances Control. Their status is full-time. In 2025, their total compensation was $150,127. Union affiliation: S09.

Vu Nguyen

Supervising Hazardous Substances Engineer I/Toxic Substances Control

2025 total comp

$150,040

Base pay: $149,690
Overtime: $0
Other pay: $350
Benefits: $0
Total compensation: $150,040
Employment type: Full-Time
Union / bargaining unit: S09
Work county: Los Angeles
Middle name: T

Source-specific fields

Base Pay: $12,272
Cs/csu: Cs
Position Number: 8105133724023
Salary Total: $12,579
Total Pay: $150,040

Vu Nguyen holds the role of Supervising Hazardous Substances Engineer I at Toxic Substances Control. Their status is full-time. In 2025, their total compensation was $150,040. They are represented by S09.

Christine Brown

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp

$149,757

Base pay: $149,407
Overtime: $0
Other pay: $350
Benefits: $0
Total compensation: $149,757
Employment type: Full-Time
Union / bargaining unit: R09
Work county: Orange
Middle name: P

Source-specific fields

Base Pay: $12,152
Cs/csu: Cs
Position Number: 8105443726014
Salary Total: $12,456
Total Pay: $149,757

Christine Brown works as a Hazardous Substances Engineer for Toxic Substances Control. Their status is full-time. Christine earned $149,757 in 2025. Union affiliation: R09.

Michael Darrett

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp

$149,757

Base pay: $149,407
Overtime: $0
Other pay: $350
Benefits: $0
Total compensation: $149,757
Employment type: Full-Time
Union / bargaining unit: R09
Work county: Sacramento
Middle name: R

Source-specific fields

Base Pay: $12,152
Cs/csu: Cs
Position Number: 8105913726185
Salary Total: $12,456
Total Pay: $149,757

Michael Darrett holds the role of Hazardous Substances Engineer at Toxic Substances Control. Their status is full-time. In 2025, their total compensation was $149,757. They are represented by R09.

Franklin Mark

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp

$149,582

Base pay: $149,407
Overtime: $0
Other pay: $175
Benefits: $0
Total compensation: $149,582
Employment type: Full-Time
Union / bargaining unit: R09
Work county: Sacramento
Middle name: P

Source-specific fields

Base Pay: $12,152
Cs/csu: Cs
Position Number: 8105113726003
Salary Total: $12,456
Total Pay: $149,582

Franklin Mark is a Hazardous Substances Engineer at Toxic Substances Control. They work full-time. 2025 total compensation came to $149,582. Their bargaining unit is R09.

Farrukh Ahmad

Senior Hazardous Substances Engineer/Toxic Substances Control

2025 total comp

$148,889

Base pay: $148,539
Overtime: $0
Other pay: $350
Benefits: $0
Total compensation: $148,889
Employment type: Full-Time
Union / bargaining unit: R09
Work county: Orange

Source-specific fields

Base Pay: $13,227
Cs/csu: Cs
Position Number: 8105443725009
Salary Total: $12,830
Total Pay: $148,889

At Toxic Substances Control, Farrukh Ahmad serves as a Senior Hazardous Substances Engineer. They work full-time. Their 2025 pay totaled $148,889. Their bargaining unit is R09.

Jessica Tibor

Senior Engineering Geologist/Toxic Substances Control

2025 total comp

$148,739

Base pay: $148,389
Overtime: $0
Other pay: $350
Benefits: $0
Total compensation: $148,739
Employment type: Full-Time
Union / bargaining unit: R09
Work county: Alameda
Middle name: A

Source-specific fields

Base Pay: $12,826
Cs/csu: Cs
Position Number: 8105423751001
Salary Total: $12,691
Total Pay: $148,739

Jessica Tibor works as a Senior Engineering Geologist for Toxic Substances Control. Their status is full-time. Jessica earned $148,739 in 2025. Their bargaining unit is R09.

Jansson Stout

Information Technology Specialist III/Toxic Substances Control

2025 total comp

$148,722

Base pay: $148,372
Overtime: $0
Other pay: $350
Benefits: $0
Total compensation: $148,722
Employment type: Full-Time
Union / bargaining unit: M01
Work county: Sacramento
Middle name: E

Source-specific fields

Base Pay: $12,740
Cs/csu: Cs
Position Number: 8102501415006
Salary Total: $12,358
Total Pay: $148,722

Jansson Stout is a Information Technology Specialist III at Toxic Substances Control. They work full-time. 2025 total compensation came to $148,722. Their bargaining unit is M01.

Joseph Ernest

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp

$148,536

Base pay: $148,361
Overtime: $0
Other pay: $175
Benefits: $0
Total compensation: $148,536
Employment type: Full-Time
Union / bargaining unit: R09
Work county: Fresno

Source-specific fields

Base Pay: $11,131
Cs/csu: Cs
Position Number: 8105853726002
Salary Total: $11,409
Total Pay: $148,536

Joseph Ernest is a Hazardous Substances Engineer at Toxic Substances Control. They work full-time. 2025 total compensation came to $148,536. Their bargaining unit is R09.

Vandana Mistry

Senior Hazardous Substances Engineer/Toxic Substances Control

2025 total comp

$148,278

Base pay: $147,928
Overtime: $0
Other pay: $350
Benefits: $0
Total compensation: $148,278
Employment type: Full-Time
Union / bargaining unit: R09
Work county: Los Angeles
Middle name: C

Source-specific fields

Base Pay: $13,227
Cs/csu: Cs
Position Number: 8105363725901
Salary Total: $12,830
Total Pay: $148,278

Vandana Mistry holds the role of Senior Hazardous Substances Engineer at Toxic Substances Control. Their status is full-time. In 2025, their total compensation was $148,278. Their bargaining unit is R09.

Michael Siembab

Senior Industrial Hygienist/Toxic Substances Control

2025 total comp

$148,247

Base pay: $147,922
Overtime: $0
Other pay: $325
Benefits: $0
Total compensation: $148,247
Employment type: Full-Time
Union / bargaining unit: S10
Work county: Sacramento
Middle name: T

Source-specific fields

Base Pay: $12,920
Cs/csu: Cs
Position Number: 8102213852002
Salary Total: $12,468
Total Pay: $148,247

Michael Siembab works as a Senior Industrial Hygienist for Toxic Substances Control. Their status is full-time. Michael earned $148,247 in 2025. They are represented by S10.

Cindy Chain-Britton

Hazardous Substances Engineer/Toxic Substances Control

2023 total comp

$148,147

Base pay: $127,246
Overtime: $0
Other pay: $20,900
Benefits: $0
Total compensation: $148,147
Employment type: Full-Time
Union / bargaining unit: R09
Work county: Sacramento

Source-specific fields

Base Pay: $10,595
Cs/csu: Cs
Position Number: 8105113726105
Salary Total: $11,019
Total Pay: $148,147

Cindy Chain-Britton works as a Hazardous Substances Engineer for Toxic Substances Control. Their status is full-time. Cindy earned $148,147 in 2023. Union affiliation: R09.

Brian Whalen

Senior Engineering Geologist/Toxic Substances Control

2025 total comp

$148,044

Base pay: $147,591
Overtime: $0
Other pay: $453
Benefits: $0
Total compensation: $148,044
Employment type: Full-Time
Union / bargaining unit: S09
Work county: Sacramento
Middle name: M

Source-specific fields

Base Pay: $12,826
Cs/csu: Cs
Position Number: 8105913751100
Salary Total: $12,441
Total Pay: $148,044

Brian Whalen works as a Senior Engineering Geologist for Toxic Substances Control. Their status is full-time. Brian earned $148,044 in 2025. Union affiliation: S09.