2019-10-21_REVISION - M2002004

• Permit No: M2002004
• IBM Index Class Name: REVISION
• Doc Date: 10/21/2019
• Doc Name: Request for Technical Revision
• From: GCC Rio Grande
• To: DRMS
• Type & Sequence: TR7
• Email Name: JPL
• Email Name: JLE
• Media Type: D
• Archive: No

Creation Date: Revision Date:
G C C 2/28/2003 10/18/2019
Control Number:
Page: 19 of 23
PU E.E N.D.026.03
Title: Sampling and Analysis Plan for Environmental Groundwater Monitoring
TABLE 1. GCC Groundwater Analytical Parameters
PARAMETER' STANDARD
Laboratory
Aluminum(Al)4 5 mg/I
Arsenic(As) 0.1 mg/I
Beryllium(Be) 0.1 mg/I
Boron(B) 0.75 mg/I
Cadmium(Cd) 0.01 mg/I
Chromium(Cr) 0.1 mg/I
Cobalt(Co) 0.05 mg/I
Copper(Cu) 0.2 mg/I
Fluoride(F) 2 mg/I
Iron(Fe) 5 mg/I
Lead(Pb)4 0.1 mg/I
Lithium(Li) 2.5 mg/I
Manganese(Mn)5 0.2 mg/I
Mercury(Hg)4 0.01 mg/I
Nickel(Ni) 0.2 mg/I
Nitrite(NO2-N)4 10 mg/I
Nitrite&Nitrate(NO2+NO3-N) 100 mg/I
Selenium(Se) 0.02 mg/I
Vanadium(V) 0.1 mg/I
Zinc(Zn) 2 mg/I
PH 6.5-8.5
Total Dissolved Solids
Field
pH 6.5-8.5
Specific Conductance
Temperature
Notes:
1-Laboratory analyses are dissolved concentrations
2-Colorado Table Value Standard for Agricultural Use
3-Only if field pH is not measured
4-These more stringent levels are necessary to protect
5-This standard is only appropriate where irrigation water is