Which chemical is not advisable for cleaning lead dust?

Trisodium phosphate is often used in cleaning applications due to its ability to effectively remove grease and dirt, but it is not the best choice for cleaning lead dust. When it comes to lead abatement and cleaning lead dust, it is crucial to use chemicals that are less likely to react with lead or create additional hazards.

Sodium bicarbonate and acetic acid are generally safer choices because they are milder compounds that don't pose significant risks related to lead contamination. Hydrochloric acid, while strong and effective for certain mineral deposits, can react with lead and create toxic fumes or lead compounds that pose further health and safety risks.

Thus, trisodium phosphate, although effective as a cleaner in many situations, isn't advisable for cleaning lead dust due to its potential for creating hazardous reactions with lead and not being specifically formulated to address lead contamination safely.