California / Envirnmtl Health Hazrd Assess

Agency file

Envirnmtl Health Hazrd Assess

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

The Envirnmtl Health Hazrd Assess is a government agency that delivers public services and programs within its jurisdiction.

In 2025, this agency had 165 employees with median total compensation of $109,925; the highest distinct record was $237,594.

Year: 2025
Total payroll: $17.2M
Employees: 165
Median total: $109,925
Highest record: $237,594

What the records show

Compensation analytics

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

Salary distribution

$50$213,742+

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

How 2025 total compensation is spread across the 165 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($109,925) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

Base — $101,499 (97%)
Overtime — $51 (0%)
Other — $2,607 (3%)
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

$9,859

$77,409

$109,925

$142,863

$163,164

The pay ladder for this department. Someone at the 90th percentile earns $163,164 — more than 90% of the department; the 10th percentile earns $9,859. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Staff Toxicologist (Specialist)

42 · $131,336

Member, Science Advisory Board/Office of Environmental Health Hazard Assessment

13 · $1,146

Senior Toxicologist

11 · $168,097

Research Scientist III (Epidemiology/Biostatistics)

11 · $101,146

Supervising Toxicologist (Managerial)

5 · $208,644

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	$15.4M —	156 —	$106,817 —
2024	$16.9M ▲ 10.0%	169 ▲ 8.3%	$105,325 ▼ 1.4%
2025	$17.2M ▲ 1.5%	165 ▼ 2.4%	$109,925 ▲ 4.4%

Record list

Employees

Page 1

John Johnston

Staff Toxicologist (Specialist)/Envirnmtl Health Hazrd Assess

2025 total comp

$141,514

Base pay: $140,964
Overtime: $0
Other pay: $550
Benefits: $0
Total compensation: $141,514
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Alameda
Middle name: J

Source-specific fields

Base Pay: $11,852
Cs/csu: Cs
Position Number: 8111607978037
Salary Total: $11,793
Total Pay: $141,514

John Johnston is a Staff Toxicologist (Specialist) at Envirnmtl Health Hazrd Assess. They work full-time. 2025 total compensation came to $141,514. Their bargaining unit is R10.

Shannon Murphy

Staff Toxicologist (Specialist)/Envirnmtl Health Hazrd Assess

2025 total comp

$141,514

Base pay: $140,964
Overtime: $0
Other pay: $550
Benefits: $0
Total compensation: $141,514
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento
Middle name: R

Source-specific fields

Base Pay: $11,852
Cs/csu: Cs
Position Number: 8111607978034
Salary Total: $11,793
Total Pay: $141,514

At Envirnmtl Health Hazrd Assess, Shannon Murphy serves as a Staff Toxicologist (Specialist). They work full-time. Their 2025 pay totaled $141,514. They are represented by R10.

James Nakashima

Staff Toxicologist (Specialist)/Envirnmtl Health Hazrd Assess

2025 total comp

$141,514

Base pay: $140,964
Overtime: $0
Other pay: $550
Benefits: $0
Total compensation: $141,514
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento
Middle name: M

Source-specific fields

Base Pay: $11,852
Cs/csu: Cs
Position Number: 8111607978032
Salary Total: $11,793
Total Pay: $141,514

James Nakashima is a Staff Toxicologist (Specialist) at Envirnmtl Health Hazrd Assess. They work full-time. 2025 total compensation came to $141,514. They are represented by R10.

Rona Silva

Staff Toxicologist (Specialist)/Envirnmtl Health Hazrd Assess

2025 total comp

$141,514

Base pay: $140,964
Overtime: $0
Other pay: $550
Benefits: $0
Total compensation: $141,514
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento
Middle name: M

Source-specific fields

Base Pay: $11,852
Cs/csu: Cs
Position Number: 8111507978008
Salary Total: $11,793
Total Pay: $141,514

Rona Silva works as a Staff Toxicologist (Specialist) for Envirnmtl Health Hazrd Assess. Their status is full-time. Rona earned $141,514 in 2025. Their bargaining unit is R10.

Ida Flores-Avila

Staff Toxicologist (Specialist)/Envirnmtl Health Hazrd Assess

2025 total comp

$141,042

Base pay: $140,492
Overtime: $0
Other pay: $550
Benefits: $0
Total compensation: $141,042
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento
Middle name: J

Source-specific fields

Base Pay: $11,852
Cs/csu: Cs
Position Number: 8111607978035
Salary Total: $11,793
Total Pay: $141,042

Ida Flores-Avila works as a Staff Toxicologist (Specialist) for Envirnmtl Health Hazrd Assess. Their status is full-time. Ida earned $141,042 in 2025. Their bargaining unit is R10.

May Bhetraratana

Senior Toxicologist/Envirnmtl Health Hazrd Assess

2025 total comp

$139,682

Base pay: $139,507
Overtime: $0
Other pay: $175
Benefits: $0
Total compensation: $139,682
Employment type: Full-Time
Union / bargaining unit: S10
Work county: Sacramento

Source-specific fields

Base Pay: $12,725
Cs/csu: Cs
Position Number: 8111307943002
Salary Total: $12,661
Total Pay: $139,682

May Bhetraratana holds the role of Senior Toxicologist at Envirnmtl Health Hazrd Assess. Their status is full-time. In 2025, their total compensation was $139,682. Their bargaining unit is S10.

Kristina Chialton

Director of Environmental Health Hazard Assessment/Envirnmtl Health Hazrd Assess

2025 total comp

$139,437

Base pay: $120,746
Overtime: $0
Other pay: $18,691
Benefits: $0
Total compensation: $139,437
Employment type: Full-Time
Union / bargaining unit: E99
Work county: Sacramento
Middle name: A

Source-specific fields

Base Pay: $18,625
Cs/csu: Cs
Position Number: 8111109956002
Salary Total: $18,067
Total Pay: $139,437

Kristina Chialton holds the role of Director of Environmental Health Hazard Assessment at Envirnmtl Health Hazrd Assess. Their status is full-time. In 2025, their total compensation was $139,437. They are represented by E99.

Susannah Cohen

Research Scientist IV (Epidemiology/Biostatistics)/Envirnmtl Health Hazrd Assess

2025 total comp

$139,207

Base pay: $138,657
Overtime: $0
Other pay: $550
Benefits: $0
Total compensation: $139,207
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento
Middle name: S

Source-specific fields

Base Pay: $11,826
Cs/csu: Cs
Position Number: 8111305609001
Salary Total: $11,767
Total Pay: $139,207

Susannah Cohen holds the role of Research Scientist IV (Epidemiology/Biostatistics) at Envirnmtl Health Hazrd Assess. Their status is full-time. In 2025, their total compensation was $139,207. They are represented by R10.

Nuno Miguel Da Silva Almeida

Research Scientist IV (Chemical Sciences)/Envirnmtl Health Hazrd Assess

2025 total comp

$138,676

Base pay: $138,126
Overtime: $0
Other pay: $550
Benefits: $0
Total compensation: $138,676
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento

Source-specific fields

Base Pay: $11,753
Cs/csu: Cs
Position Number: 8111145608001
Salary Total: $11,694
Total Pay: $138,676

Nuno Miguel Da Silva Almeida is a Research Scientist IV (Chemical Sciences) at Envirnmtl Health Hazrd Assess. They work full-time. 2025 total compensation came to $138,676. Union affiliation: R10.

Victor Tam

Information Technology Supervisor II/Envirnmtl Health Hazrd Assess

2025 total comp

$136,477

Base pay: $132,707
Overtime: $0
Other pay: $3,770
Benefits: $0
Total compensation: $136,477
Employment type: Full-Time
Union / bargaining unit: S01
Work county: Sacramento
Middle name: W

Source-specific fields

Base Pay: $11,395
Cs/csu: Cs
Position Number: 8111231404002
Salary Total: $11,053
Total Pay: $136,477

Victor Tam holds the role of Information Technology Supervisor II at Envirnmtl Health Hazrd Assess. Their status is full-time. In 2025, their total compensation was $136,477. They are represented by S01.

Xiangmei Wu

Research Scientist IV (Epidemiology/Biostatistics)/Envirnmtl Health Hazrd Assess

2025 total comp

$136,105

Base pay: $134,459
Overtime: $0
Other pay: $1,646
Benefits: $0
Total compensation: $136,105
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Alameda

Source-specific fields

Base Pay: $12,394
Cs/csu: Cs
Position Number: 8111355609002
Salary Total: $11,759
Total Pay: $136,105

At Envirnmtl Health Hazrd Assess, Xiangmei Wu serves as a Research Scientist IV (Epidemiology/Biostatistics). They work full-time. Their 2025 pay totaled $136,105. They are represented by R10.

Lori Miyasato

Staff Toxicologist (Specialist)/Envirnmtl Health Hazrd Assess

2025 total comp

$135,448

Base pay: $132,699
Overtime: $0
Other pay: $2,750
Benefits: $0
Total compensation: $135,448
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento
Middle name: E

Source-specific fields

Base Pay: $10,970
Cs/csu: Cs
Position Number: 8111607978036
Salary Total: $11,354
Total Pay: $135,448

At Envirnmtl Health Hazrd Assess, Lori Miyasato serves as a Staff Toxicologist (Specialist). They work full-time. Their 2025 pay totaled $135,448. Their bargaining unit is R10.

Andrew Slocombe

Research Scientist Supervisor I(Epidemiology/Biostatistics)/Envirnmtl Health Hazrd Assess

2025 total comp

$134,546

Base pay: $134,271
Overtime: $0
Other pay: $275
Benefits: $0
Total compensation: $134,546
Employment type: Full-Time
Union / bargaining unit: S10
Work county: Sacramento
Middle name: J

Source-specific fields

Base Pay: $11,492
Cs/csu: Cs
Position Number: 8111305643001
Salary Total: $11,320
Total Pay: $134,546

Andrew Slocombe holds the role of Research Scientist Supervisor I(Epidemiology/Biostatistics) at Envirnmtl Health Hazrd Assess. Their status is full-time. In 2025, their total compensation was $134,546. Their bargaining unit is S10.

Poorni Iyer

Staff Toxicologist (Specialist)/Envirnmtl Health Hazrd Assess

2024 total comp

$134,063

Base pay: $72,242
Overtime: $0
Other pay: $61,822
Benefits: $0
Total compensation: $134,063
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento
Middle name: R

Source-specific fields

Base Pay: $10,751
Cs/csu: Cs
Position Number: 8111407978005
Salary Total: $11,074
Total Pay: $134,063

Poorni Iyer holds the role of Staff Toxicologist (Specialist) at Envirnmtl Health Hazrd Assess. Their status is full-time. In 2024, their total compensation was $134,063. They are represented by R10.