what’s classed and as a major peak
above 30%
whats classed as a minor peak
between 10 and 30%
whats classed as a trace peak
below 10%
“Characteristic of”
must contain: lead, antimony barium
“consistent with”
has one of the following: Ba, Ca, Si, Sb, Al, Pb
“commonly associated with”
has: lead with trace antimony, lead, Sb, Ba with no sulphur