To avoid the possibility of such an ineffective situation, we provide a Rough Order-of-Magnitude (ROM) Estimate of costs and time when Requirements are not specified in the early stages of the project. The ROM Estimate is based on Vision document that includes a list of Features. Parameter.
Continued on next page. If your water smells like rotten eggs, it may. be contaminated with hydrogen sulfide (H 2S). Though H 2 S contamination at the concentrations. found in domestic drinking water supplies usually. does not pose a health risk, it is still a nuisance. and gives water a rotten egg smell and taste.
A rotten egg smell is usually caused by an animal in the ventilation system. Sometimes a small rodent or bird will crawl into the vent while sick, or become trapped inside. Once the animal dies, the decomposing carcass gives off the smell. Once you turn on your HVAC system, the smell fills the entire house. Ventilation and duct cleaning is the best method to solve this smell.