Assay One  is a fire assaying lab that specializes in:
fire assayingfire assaying
material analysismaterial analysis
quality control testing of metalsquality control testing of metals
analysis of gold samplesanalysis of gold samples
analysis of silver samplesanalysis of silver samples
sterling silver analysissterling silver analysis
ion exchange resin analysision exchange resin analysis
monitoring of plating solutionmonitoring of plating solution
Umpire analysisUmpire analysis