How should I practice Domain 6?

Anticipate, recognize, evaluate, and control occupational exposures using measurement and sampling. Translate toxicology and epidemiology concepts into practical exposure-control decisions. Use chemistry and physics concepts for containment, storage, energy, force, and other calculations. Then open the lesson list above and check the worked case before you move on. No practice product can guarantee a CSP result.

What is the basic exposure-assessment sequence?

Anticipate and recognize hazards, characterize exposure, evaluate it using suitable measurements or calculations, select controls, and verify the resulting exposure.

Why is dimensional analysis important?

It helps catch setup and conversion errors by showing whether the combined units can produce the quantity being requested.

Do formulas provide the entire safety decision?

No. Formulas quantify part of the problem; assumptions, uncertainty, operating conditions, control reliability, and professional judgment still matter.

CSP-11 Domain 6 · 10%

Occupational Health and Applied Science: Measure, Calculate, Control

This domain combines occupational hygiene with applied science: exposure assessment, public health, toxicology, ergonomics, chemistry, and physics.

Updated 25 September 2026. Independent CSP-11 practice. Not BCSP-endorsed. No pass guarantee.

This domain contains 6 Master objectives and 25 detailed lessons. The objective layer organizes the blueprint; the lesson layer provides focused study and practice.

Domain overview

Occupational Health and Applied Science

Occupational Health and Applied Science combines exposure assessment with the scientific tools used to interpret and control hazards. The work begins with anticipation and recognition of chemical, physical, biological, ergonomic, and environmental exposures, followed by evaluation of who is exposed, by what route, at what intensity, and for how long.

Sampling, toxicology, epidemiology, noise, ventilation, ergonomics, chemistry, and physics each answer different questions. Quantitative problems may involve units, airflow, dose, force, energy, containment volume, or statistical interpretation. Dimensional consistency and reasonableness checks are essential because a precise numerical result can still be wrong if the setup or assumptions are wrong.

Control follows the hierarchy. Substitution, enclosure, isolation, local exhaust, process change, work-practice controls, and PPE may all be appropriate, but the control must be matched to the exposure and verified after implementation.

BLUEPRINT WEIGHT

10%

MASTER OBJECTIVES

DETAILED LESSONS

What Domain 6 asks you to do

Measure the exposure before choosing the control. Study the published tasks below, then open a class for the decision rule and exam traps.

Exposure assessment
Industrial hygiene
Public health
Toxicology
Ergonomics
Chemistry & physics

Evaluate occupational exposures using measurement, sampling, and analysis for chemical, physical, biological, and environmental hazards.
Apply public-health principles including epidemiology, infectious disease, risk factors, and statistical interpretation.
Use toxicology concepts and exposure information to develop control and risk-mitigation plans.
Evaluate ergonomics and human factors including body mechanics, lifting, vibration, anthropometrics, visual acuity, and fatigue.
Apply chemistry to containment-volume and hazardous-material storage calculations.
Apply physics concepts involving forms of energy, weights, forces, and stresses.

Decision rule

How to reason in Domain 6

Characterize the hazard, exposure route, intensity, duration, and population before selecting the measurement method or formula. Keep units consistent, test reasonableness, and verify exposure after controls are implemented.

Blueprint note: CSP-11 Domain 6 covers occupational exposure assessment, public health, toxicology, ergonomics, chemistry, physics, and applied quantitative reasoning.

Field case

Apply the domain under real constraints

A ventilation problem gives duct velocity in feet per minute and duct diameter in inches. The losing answer is to multiply the numerical diameter directly by velocity and report cubic feet per minute. Diameter must be converted to a compatible length, cross-sectional area calculated, and then Q = VA applied. The result should be checked for physical plausibility and interpreted separately from hood-capture performance.

Exam traps

Common reasoning errors to avoid

Using area measurements to represent personal exposure without checking whether the sampling strategy matches the decision.
Substituting numbers into a formula before confirming variables, units, assumptions, and the physical meaning of the result.
Assuming PPE, ventilation, or another control is effective without fit, airflow, maintenance, or post-control exposure verification.

Curriculum map

Master objectives

Open all 47 objectives

D6.01

Occupational Exposure Assessment

16 mapped lessons · open full mapping →

D6.02

Public Health and Epidemiology

2 mapped lessons · open full mapping →

D6.03

Toxicology and Exposure Controls

2 mapped lessons · open full mapping →

D6.04

Ergonomics and Human Factors

3 mapped lessons · open full mapping →

D6.05

Chemistry and Containment Calculations

1 mapped lesson · open full mapping →

D6.06

Physics

1 mapped lesson · open full mapping →

Study layer