2021-05-12_REVISION - M2012032 ‎(2)‎

• Permit No: M2012032
• IBM Index Class Name: REVISION
• Doc Date: 5/12/2021
• Doc Name: Adequacy Review Response
• From: Ouray Silver Mines, Inc.
• To: DRMS
• Type & Sequence: TR12
• Email Name: LJW
• Email Name: THM
• Media Type: D
• Archive: No

ACZ
Laboratories, Inc.
2773 Downhill Drive Steamboat Springs, CO 80487 [phone]
Ouray Silver Mines ACZ Sample ID: L65443-02
Project ID: Date Sampled: 04121121 11:20
Sample ID: GW-4 Date Received: 04/22/21
Sample Matrix: Surface Water
Chloroethane 75-00-3 <4 U 1 ug/L 4 4
Chloroform 67-66-3 <4 U 1 ug/L 4 4
Chloromethane 74-87-3 <4 U 1 ug/L 4 4
cis-1,2-Dichloroethene 156-59-2 <4 U 1 * ug/L 4 4
cis-1,3-Dichloropropene 10061-01-5 <4 U 1 ug/L 4 4
Dibromochloromethane 124-48-1 <4 U 1 * ug/L 4 4
Dibromomethane 74-95-3 <4 U 1 ug/L 4 4
Dichlorodifluoromethane 75-71-8 <5 U 1 ug/L 5 5
Ethylbenzene 100-41-4 <4 U 1 ug/L 4 4
Hexachlorobutadiene 87-68-3 <4 U 1 ug/L 4 4
Isopropylbenzene 98-82-8 <4 U 1 ug/L 4 4
m p Xylene 1330-20-7 <10 U 1 ug/L 10 10
Methyl Tert Butyl Ether 1634-04-4 <4 U 1 * ug/L 4 4
Methylene Chloride 75-09-2 <4 U 1 ug/L 4 4
Naphthalene 91-20-3 <4 U 1 ug/L 4 4
n-Butylbenzene 104-51-8 <4 U 1 ug/L 4 4
n-Propylbenzene 103-65-1 <4 U 1 ug/L 4 4
o Xylene 95-47-6 <4 U 1 ug/L 4 4
sec-Butyl benzene 135-98-8 <4 U 1 ug/L 4 4
Styrene 100-42-5 <4 U 1 * ug/L 4 4
tert-Butylbenzene 98-06-6 <4 U 1 ug/L 4 4
Tetrachloroethene 127-18-4 <4 U 1 ug/L 4 4
Toluene 108-88-3 <4 U 1 ug/L 4 4
trans-1,2-Dichloroethene 156-60-5 <4 U 1 ug/L 4 4
trans-1,3-Dichloropropene 10061-02-6 <3 U 1 * ug/L 3 3
Trichloroethene 79-01-6 <5 U 1 ug/L 5 5
Trichlorofluoromethane 75-69-4 <4 U 1 ug/L 4 4
Vinyl Acetate 108-05-4 <4 U 1 ug/L 4 4
Vinyl Chloride 75-01-4 <4 U 1 * ug/L 4 4
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Bromofluorobenzene 460-00-4 102.1 1 % 70 130
Dibromofluoromethane 1868-53-7 111.8 1 % 70 130
Toluene-d8 2037-26-5 93.1 1 % 70 130
REPOR.01.01.01.02 *Please refer to Qualifier Reports for details.
L65443-2105101543 Page 6 of 37