Section 410IAC32-1-16. "Concentration" defined

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"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. (Indiana State Department of Health; 410 IAC 32-1-16; filed Sep 10, 2003, 4:24 p.m.: 27 IR 461; readopted filed Jul 14, 2011, 11:42 a.m.: 20110810-IR-410110253RFA) NOTE: Transferred from the Air Pollution Control Board (326 IAC 23-1-11.5) to the Indiana State Department of Health (410 IAC 32-1-16) by P.L.57-2009, SECTION 17, effective July 1, 2009.

                    
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