If you buy resin from a supplier, asking for certification to ASTM D5705 provides a legal benchmark. If your in-house GC test (following the same standard) shows a different result, you have grounds for rejection.
, notorious for its characteristic "rotten egg" smell at low concentrations. At higher levels, it rapidly causes olfactory fatigue, leading to a false sense of security just before it becomes immediately dangerous to life and health. In the heavy marine and industrial fuel oil industry, H₂S can accumulate to lethal levels in the vapor phase (the "headspace") of storage tanks and barges. ASTM D5705 was created specifically to provide a simple, reliable field test for this exact hazard, ensuring safety for personnel and compliance with strict health regulations. astm d5705 pdf