Sudan Testing Context: No Information Provided

The provided source material does not specify what Sudan tests for. The query appears to reference a specific context—perhaps medical screening, agricultural inspection, oil quality control, or educational assessment—that is not addressed in the available text.

To answer accurately, additional context is needed. Common testing programs in Sudan include:

• Public health: Malaria, HIV, tuberculosis, cholera surveillance
• Agriculture: Sorghum/millet quality, pesticide residues, aflatoxin in groundnuts
• Oil industry: Crude assay (API gravity, sulfur), water cut, BS&W
• Education: Sudan School Certificate, university entrance exams
• Water quality: Nitrate, fluoride, microbial contamination in Nile/groundwater

Please clarify the specific testing program or domain of interest for a precise answer.