The Methanol (Methylalcohol, Methanol) test by gas chromatography with flame ionization detection (HSGC-FID) is used to determine methanol levels in liquid samples, such as blood or urine. Methanol is a toxic substance that can cause acute poisoning, making this test crucial for diagnosing poisoning cases. The analysis involves collecting a liquid sample, preparing it, and then sending it to the laboratory where gas chromatography techniques are used to separate methanol from other compounds. The results provide vital information about the methanol level in the body, helping doctors make quick decisions about appropriate treatment. This test is essential in medical emergencies and is also used in industrial settings to ensure the safety of employees who may be exposed to toxic chemicals.