Toxicology
Everything OPM FedScope (June 2026) reports about the Toxicology occupation series (code 0415): headcount, average salary, length of service, and pay comparison.
The verdict
In the Biological Sciences Group family, Toxicology counts 372 employees, a smaller, specialized federal occupation at 0.0% of the federal civilian workforce, and headcount declined from the prior period; pay averages $152,022, which pays well above the federal-wide average.
- Headcount change
- -1.3%
- Pay change
- +0.1%
- Avg tenure
- 12.3 yrs
- Rank in family
- #19 of 31
What the Numbers Say About Toxicology
For job seekers weighing career length: this series shows a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career. Headcount moved down versus the prior period, though at this small a headcount, year-to-year swings can reflect a handful of hires or departures rather than a broad hiring trend. As for pay, the latest move was a small shift, within the range of normal year-to-year rounding rather than a broad pay-table change.
Code 04, the Biological Sciences Group family, is where the federal government classifies Toxicology alongside 30 related occupations. Candidates browsing USAJOBS for Toxicology postings should also review these sibling occupations in the Biological Sciences Group family. Toxicology makes up 0.5% of the Biological Sciences Group family's 67,961 combined employees.
Salary context · rich-pay series
How Toxicology pay compares to the federal average
Occupation Average
$152,022
Federal Average
$117,339
vs. Federal Avg
+29.6%
Where Toxicology ranks on rich federal pay
Toxicology earns more on average than 89% of federal occupation series (482 of 541). The highlighted bar marks where Toxicology sits in the federal pay distribution.
Average-salary distribution across all 541 federal occupation series; the highlighted bar marks Toxicology.
Related Occupations in Biological Sciences Group
10 other occupations in the same family
| Occupation | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| General Natural Resources Management and Biological Sciences | 23,662 | $124,641 | 14 yrs |
| Forestry Technician | 11,090 | $61,659 | 8.7 yrs |
| Wildland Fire Management | 9,667 | $64,457 | 7 yrs |
| Biological Science Technician | 5,212 | $56,618 | 8.9 yrs |
| Soil Conservation | 4,101 | $89,391 | 13.8 yrs |
| Wildlife Biology | 1,868 | $95,468 | 16.3 yrs |
| Fish Biology | 1,629 | $116,550 | 16.2 yrs |
| Microbiology | 1,629 | $143,306 | 16.3 yrs |
| Forestry | 1,626 | $88,902 | 15.1 yrs |
| Ecology | 989 | $122,664 | 16.1 yrs |
Nationwide occupation series with similar scale or pay
Two peer sets for Toxicology outside the Biological Sciences Group family, on headcount and average salary axes that vary across all OPM occupation series.
Similar headcount
Nearest employee counts in other occupation families (372 here).
Similar rich average salary
Nearest average salaries in other occupation families ($152,022 here).
Key takeaways
- Place Toxicology pay in context with the pay-rank chart above, then compare it with another occupation.
- Turn an average salary into a grade: the GS pay grade tables show how grades and steps map to pay.
- Browse the Biological Sciences Group family occupations in the table above, or search current Toxicology postings on USAJOBS.
OPM FedScope and Federal Workforce Data figures are federal civilian headcounts, average salaries, and length-of-service statistics - not job-quality scores, hiring advice, or a live vacancy listing. A larger or higher-paid agency is not a better employer.