Auro Liquid Gold Hexavalent Chromium Test Report

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ENVIROTEK LABORATORIES, INC.
Bordentown, New Jersey 08505
PHONE 856-478-0010 www.enviroteklab.com
EPA ID # NJ01298 NJ DEP ID # 03048

Report #: 15-157 (Auro Solution)
Report Date: 07/03/2015
Customer Name: Auro, LLC

Auro Solution (1:100)

Test Parameter  Auro Solution  Results  Standard  Exceeded (Yes/No)  Date of  Analysis  Analytical Method  EPA Maximum  Contaminant Level (MCL) 
Auro Solution unspiked sample Hexavalent Chromium test 
Hexavalent Chromium  <0.5 µg/L  No  06/06/15  Standard Method 3500 CR  100 µg/L 
Total Chromium  <0.5  No  06/06/15  EPA 200.9  100 µg/L 

Note: The Auro Solution was prepared diluting 1 mL of Auro in 99 mL of DI water.

Auro Solution Spiked Solution (1:100)

Test Parameter  Auro Mineral  Solution Results  Standard  Exceeded (Yes/No)  Date of  Analysis  Analytical Method  EPA Maximum  Contaminant Level (MCL) 
Auro Solution spiked with 75 µg/L of Hexavalent Chromium 
Hexavalent Chromium  <0.5 µg/L  No  06/06/15  Standard Method 3500 CR  100 µg/L 
Total Chromium  74.5 µg/L  No  06/06/15  EPA 200.9  100 µg/L 

Note: The Auro Solution was prepared diluting 1 mL of Auro Solution in 99 mL of DI water, spiked with 75 µg/L of Hexavalent Chromium. The Auro Solution converted the Hexavalent Chromium to Trivalent Chromium; the Trivalent Chromium is still in the solution.

 

Jaime A. Young
Lab Director