410 IAC 32-1-16
410 IAC 32-1-16 "Concentration" defined
Cite as Ind. Admin. Code tit. 410, r. 32-1-16
Sec. 16. "Concentration" means the amount of a specific substance contained within a larger mass. For example, the amount of lead, in
micrograms per gram or parts per million by weight, in a sample of dust or soil is the concentration of lead in the sample.