We have an underground storage tank for #2 diesel fuel that is connected to an underground pipe with a fuel pump. Just before the fuel pump is a suction strainer that is examined every 18 months. A small amount (5oz.) of black, easily broken up material was found in the strainer and I was asked...
I have an corrosion mechanism in a machineable brass Swagelok fitting (copper,30%zinc,2.5% lead). The fitting has was in use 20+ years in a PH 10 steam environment with <10ppm of hydrazine (which decomposes to ammonia). The part failed at the first thread of the fitting. The fitting appears to...
