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 1

Juliet Ayvazian

Office Technician (Typing)/Toxic Substances Control

2024 total comp

$1,554

Base pay: $522
Overtime: $0
Other pay: $1,032
Benefits: $0
Total compensation: $1,554
Employment type: Full-Time
Union / bargaining unit: R04
Work county: Los Angeles

Source-specific fields

Base Pay: $4,518
Cs/csu: Cs
Position Number: 8105131139355
Salary Total: $4,518
Total Pay: $1,554

Juliet Ayvazian holds the role of Office Technician (Typing) at Toxic Substances Control. Their status is full-time. In 2024, their total compensation was $1,554. Their bargaining unit is R04.

Maria Elena Rios

Office Technician (Typing)/Toxic Substances Control

2024 total comp

$961

Base pay: $961
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $961
Employment type: Full-Time
Union / bargaining unit: R04
Work county: Los Angeles

Source-specific fields

Base Pay: $4,518
Cs/csu: Cs
Position Number: 8105541139105
Salary Total: $4,768
Total Pay: $961

Maria Elena Rios holds the role of Office Technician (Typing) at Toxic Substances Control. Their status is full-time. In 2024, their total compensation was $961. Union affiliation: R04.

Hanna Lu

Scientific Aid/Toxic Substances Control

2023 total comp

$897

Base pay: $747
Overtime: $0
Other pay: $150
Benefits: $0
Total compensation: $897
Employment type: Intermittent
Union / bargaining unit: R11
Work county: Sacramento
Middle name: W

Source-specific fields

Base Pay: $16
Cs/csu: Cs
Position Number: 8103401931901
Salary Total: $16
Total Pay: $897

Hanna Lu works as a Scientific Aid for Toxic Substances Control. Their status is intermittent. Hanna earned $897 in 2023. They are represented by R11.

Yousef Khaleq

Information Technology Specialist I/Toxic Substances Control

2023 total comp

$406

Base pay: $406
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $406
Employment type: Full-Time
Union / bargaining unit: R01
Work county: Sacramento
Middle name: Y

Source-specific fields

Base Pay: $5,960
Cs/csu: Cs
Position Number: 8105301402901
Salary Total: $5,960
Total Pay: $406

Yousef Khaleq is a Information Technology Specialist I at Toxic Substances Control. They work full-time. 2023 total compensation came to $406. Their bargaining unit is R01.

Ricky Donaldson

Office Technician (General)/Toxic Substances Control

2024 total comp

$340

Base pay: $86
Overtime: $0
Other pay: $254
Benefits: $0
Total compensation: $340
Employment type: Full-Time
Union / bargaining unit: R04
Work county: Sacramento
Middle name: R

Source-specific fields

Base Pay: $4,440
Cs/csu: Cs
Position Number: 8102601138001
Salary Total: $4,440
Total Pay: $340

Ricky Donaldson holds the role of Office Technician (General) at Toxic Substances Control. Their status is full-time. In 2024, their total compensation was $340. They are represented by R04.

Roxana Morfin

Associate Governmental Program Analyst/Toxic Substances Control

2024 total comp

$271

Base pay: $271
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $271
Employment type: Full-Time
Union / bargaining unit: R01
Work county: Los Angeles

Source-specific fields

Base Pay: $5,684
Cs/csu: Cs
Position Number: 8102235393001
Salary Total: $5,684
Total Pay: $271

At Toxic Substances Control, Roxana Morfin serves as a Associate Governmental Program Analyst. They work full-time. Their 2024 pay totaled $271. They are represented by R01.

Mariyah Duarte

Office Assistant (General)/Toxic Substances Control

2024 total comp

$137

Base pay: $126
Overtime: $0
Other pay: $11
Benefits: $0
Total compensation: $137
Employment type: Full-Time
Union / bargaining unit: R04
Work county: Sacramento

Source-specific fields

Base Pay: $3,281
Cs/csu: Cs
Position Number: 8108511441001
Salary Total: $3,281
Total Pay: $137

Mariyah Duarte works as a Office Assistant (General) for Toxic Substances Control. Their status is full-time. Mariyah earned $137 in 2024. Their bargaining unit is R04.

Sandra Mayorga

Staff Services Manager I/Toxic Substances Control

2024 total comp

$124

Base pay: $124
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $124
Employment type: Intermittent
Union / bargaining unit: E48
Work county: Sacramento
Middle name: A

Source-specific fields

Base Pay: $8,398
Cs/csu: Cs
Position Number: 8102604800901
Salary Total: $48
Total Pay: $124

At Toxic Substances Control, Sandra Mayorga serves as a Staff Services Manager I. They work intermittent. Their 2024 pay totaled $124. They are represented by E48.

Alicia Rl Philson

Associate Accounting Analyst/Toxic Substances Control

2025 total comp

$50

Base pay: $0
Overtime: $0
Other pay: $50
Benefits: $0
Total compensation: $50
Employment type: Full-Time
Union / bargaining unit: R01
Work county: Sacramento

Source-specific fields

Base Pay: $6,330
Cs/csu: Cs
Position Number: 8108204588039
Salary Total: $6,140
Total Pay: $50

Alicia Rl Philson is a Associate Accounting Analyst at Toxic Substances Control. They work full-time. 2025 total compensation came to $50. They are represented by R01.

Laura Radke

Senior Environmental Scientist(Specialist)/Toxic Substances Control

2025 total comp

$50

Base pay: $0
Overtime: $0
Other pay: $50
Benefits: $0
Total compensation: $50
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Orange
Middle name: E

Source-specific fields

Base Pay: $9,450
Cs/csu: Cs
Position Number: 8105040765002
Salary Total: $9,450
Total Pay: $50

Laura Radke holds the role of Senior Environmental Scientist(Specialist) at Toxic Substances Control. Their status is full-time. In 2025, their total compensation was $50. Union affiliation: R10.

Katherine Plank

Student Assistant/Toxic Substances Control

2023 total comp

$50

Base pay: $0
Overtime: $0
Other pay: $50
Benefits: $0
Total compensation: $50
Employment type: Intermittent
Union / bargaining unit: E
Work county: Sacramento
Middle name: J

Source-specific fields

Base Pay: $3,412
Cs/csu: Cs
Position Number: 8105814870901
Salary Total: $20
Total Pay: $50

Katherine Plank is a Student Assistant at Toxic Substances Control. They work intermittent. 2023 total compensation came to $50. They are represented by E.

John Quinn

Research Scientist Supervisor II (Chemical Sciences)/Toxic Substances Control

2025 total comp

Base pay: -$13,697
Overtime: $0
Other pay: $13,697
Benefits: $0
Total compensation: $0
Employment type: Full-Time
Union / bargaining unit: S10
Work county: Alameda
Middle name: F

Source-specific fields

Base Pay: $14,019
Cs/csu: Cs
Position Number: 8103575650002
Salary Total: $14,720

John Quinn works as a Research Scientist Supervisor II (Chemical Sciences) for Toxic Substances Control. Their status is full-time. John earned $0 in 2025. They are represented by S10.

Karen Ochoa

Staff Services Manager I/Toxic Substances Control

2023 total comp

Base pay: $0
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $0
Employment type: Full-Time
Union / bargaining unit: S01
Work county: Sacramento
Middle name: L

Source-specific fields

Base Pay: $8,153
Cs/csu: Cs
Position Number: 8105214800901
Salary Total: $8,153

At Toxic Substances Control, Karen Ochoa serves as a Staff Services Manager I. They work full-time. Their 2023 pay totaled $0. Their bargaining unit is S01.

Karen Dibiasio

Staff Toxicologist (Specialist)/Toxic Substances Control

2023 total comp

Base pay: $0
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $0
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento
Middle name: W

Source-specific fields

Base Pay: $10,751
Cs/csu: Cs
Position Number: 8105717978034
Salary Total: $11,074

Karen Dibiasio holds the role of Staff Toxicologist (Specialist) at Toxic Substances Control. Their status is full-time. In 2023, their total compensation was $0. They are represented by R10.

Allan Plaza

Supervising Hazardous Substances Engineer I/Toxic Substances Control

2023 total comp

Base pay: $0
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $0
Employment type: Full-Time
Union / bargaining unit: S09
Work county: Los Angeles
Middle name: G

Source-specific fields

Base Pay: $13,880
Cs/csu: Cs
Position Number: 8105133724023
Salary Total: $14,643

Allan Plaza is a Supervising Hazardous Substances Engineer I at Toxic Substances Control. They work full-time. 2023 total compensation came to $0. Their bargaining unit is S09.

Adam Daniels

Hazardous Substances Engineer/Toxic Substances Control

2025 total comp

-$4,596

Base pay: -$4,596
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: -$4,596
Employment type: Full-Time
Union / bargaining unit: R09
Work county: Los Angeles
Middle name: S

Source-specific fields

Base Pay: $10,500
Cs/csu: Cs
Position Number: 8106533726168
Salary Total: $10,500
Total Pay: -$4,596

Adam Daniels is a Hazardous Substances Engineer at Toxic Substances Control. They work full-time. 2025 total compensation came to -$4,596. Union affiliation: R09.

Ashley Blesio

Associate Governmental Program Analyst/Toxic Substances Control

2025 total comp

-$5,776

Base pay: -$6,108
Overtime: $0
Other pay: $332
Benefits: $0
Total compensation: -$5,776
Employment type: Full-Time
Union / bargaining unit: R01
Work county: Sacramento
Middle name: S

Source-specific fields

Base Pay: $6,147
Cs/csu: Cs
Position Number: 8107115393005
Salary Total: $6,147
Total Pay: -$5,776

At Toxic Substances Control, Ashley Blesio serves as a Associate Governmental Program Analyst. They work full-time. Their 2025 pay totaled -$5,776. Their bargaining unit is R01.