IRS regulations require that tax-exempt fuel contain a level of Solvent Red 164 (SR164) dye that is spectrally equivalent to >11.1 mg/l. of a highly similar Solvent Red 26 dye (SR26) standard, which ...

In October 2015, Roland Gurney, 33, and his brother Stephen Gurney, 28, were convicted of laundering fuel in Northern Ireland. They had used a bleaching agent to strip red marker dye from 4,500 L of ...

CONCORD — The N.H. Department of Safety has begun a new enforcement program through the State Police and Road Toll Bureau in coordination with the United States Internal Revenue Service called the ...

Scientists from the University of the Philippines - Diliman are looking into an environment-friendly method to detect toxic dyes by synthesizing silver (Ag) nanoparticles using natural organic acids.