OPEN FILE REPORT NO. 85


Table 5. Gainer Springs Group water quality analyses.


 Vent #1 Vent #2 Vent #3
 Analytes 1962 1972 2001 1962 1972 2001 1962 1972 2001
 Unfilt. Filter Unfilt. Filter Unfilt. Filter
Field Measures
Temperature 21.0 21.5 21.1 22.0 21.4 21.1 21.5 21.6
DO 2.8 2.12 2.5 2.27 3.0 2.18
pH 7.4 7.9 8.00 7.3 7.8 8.19 7.2 7.8 8.20
Sp. Cond. 115 127 142 82 108 113 115 125 121
Lab Analytes
BOD 0.2 U 0.2 U 0.2 U
Turbidity 0.25 0.2 0.1
Color 2 5 5U 7 5 5U 2 10 5 U
Alkalinity 57 55 66 67 38 48 52 52 A 53 54 56 56
Sp. Cond. 160 130 A 130
TDS 79 60 61
TSS 4U 4U 4U
Cl 2.5 2.5 2.5 2.5 1.5 2.0 2.3 2.3 3.0 3.0 2.9 2.8
SO4 1.6 0.0 2.4 2.5 0.4 0.0 2.3 2.3 0.8 0.0 2.1 2
F 0.1 0.1 0.0341 0.0351 0.1 0.1 0.031 0.0291 0.2 0.1 0.031 0.0291
Nutrients
TOC 1.1 I 0.0 1.21 1U
NO3+NO,2 0.10 0.17 0.16 0.19 0.21 0.21 0.09 0.19 0.18
NH3+NH4 0.038 0.01U 0.035 0.01 U 0.01U 0.01 U
TKN 0.06 U 0.06 U 0.06 U 0.06 U 0.06 U 0.06 U
P 0.014 0.014 0.02 .013A 0.013 0.013 0.012
PO4 0.08 0.015 0.48 0.02 0.012 0.15 0.012
Metals
Ca 19 19 22.7 22.5 13 16 17.5 17.2 18 17 18.1 17.8
K 0.2 0.3 0.26 0.26 0.2 0.2 0.25 0.25 0.1 0.2 0.24 0.25
Na 2.0 1.8 1.64 1.44 1.7 1.4 1.45 1.34 1.9 1.8 1.68 1.61
Mg 2.8 2.9 2.7 2.8 1.8 2.4 2.4 2.4 3.2 2.8 2.9 2.9
As 3U 3U 10 3U 3U 3U 3U
Al 75 U 75U 75 U
B 10U 10U 10U
Cd 0.75 U 0.5U 0 0.75 U 0.5U 0.75 U 0.5 U
Co 0.75 U 0 0.75 U 0.75 U
Cr 0.7 U 0.5U 0 0.7U 0.5U 0.7U 0.5 U
Cu 2U 2U 0 2U 2U 2U 2U
Fe 25U 20 U 30 25U 20U 25 U 20 U
n 0.5 U 0.5U 0 0.5 U 0.5U 0.5 U 0.5 U
Ni 1.5U 1.5U 1.5U 1.5U 1.5U 1.5U
Pb 5U 3U 2 5U 3U 5U 3U
Se 3.5 U 3.5U 3.5U 3.5U 3.5U 3.5U
Sn 9U 9U 9U
Sr 80 76.1 70 41.5 50 42.4
Zn 4U 3.5 U 30 4U 3.5 U 4U 3.5U
A=Average Value U,K=Compound not detected, value shown is the method detection limit
I=Value is less than practical quantitation limit J=Estimated value Q=exceeding holding time limit