2007-11-20_REVISION - M1982015 ‎(13)‎

• Permit No: M1982015
• IBM Index Class Name: REVISION
• Doc Date: 11/20/2007
• Doc Name: August 2007 Groundwater Monitoring Report
• From: E-21 Engineering
• To: CDPHE
• Type & Sequence: TR3
• Media Type: D
• Archive: No

I I
I ~ I N
BIG LAKE
B-<1.0 T=<1:0
E=<1.0
I I / TVPH=<50
SUNSET LAKE B=411 / I T-2.1 B-450 B-450
E T=4.7 E-120 T=4.7 E-120
/ / / 1VPH=1,210 X=151 X=151
TVPH 8=1,300 TVPHo<50
' T-110 E=110 8-<1.0
X-134 T-<1.0 p 7VPH-4,400 E-<1.0
x=<2.0 MW-28 TVPH-<50 B-2 740 *MW
(D?~ ' B-. MW/ 25 I r=3,as0 MW-24
T-<.0 E=256 / E-<<I1.0 B=271 2 X-1,463 OND i MW-~9
X=<2.0 T-2.8 B-1,500 TVPH-<50 E = 14 T-14 TVPH-3,420 -160 #2 ' I W J
X-<1.0 E-40 MW-22 T=21 TVPH-1.500 X-2.0 B-1,200 -53
QUARRY POND T-14 x-74 TVPH-3,400 I E_240 TVPH-750 i / MW-23
/ X-234 '
B-51 / i MW-17 TVPH-3,600 MW-5R T-5.7 \
BT-<3.o X-8.4 / MW-6R - AV MW-4R
B=35 E=9.3 TVPH-230 " T=<1.0 X-<2.0
E-12 r./PH-170 MW-2 MW 3R MW-21
' X-<2.0 B=3.8 TVPH-180 MW-2R MW-24 '
T=<1.0 MWr- 16 MW-1R e-<1.0 B-<1.0 ST. VRAIN T-<1.0 GAUGE STATION
' E=<1.0 - / / MW-19 - T-<1 0 X=<2.0 / I / 8=370 E=<1,0 TVPH-<50 J T-8.4 X=<2.0 E=<1.0 #2 X=<2.0
mw/L- 15 MW-18 =uo 1VPH-<50 B=1 <.7 MW-27 MW- 8-14 1.0 1 / / - B=<:o RIVER TVPH- <50
T- E-3.5 5 x-'T3 ' ` ` / TvPH=1,800 T-<1.0 $T• VRAIN X1
x-<2.0 MW-13 / E-<1.0 TVPH=<50 TVPH-2c>0 "v1yU-9R/ / x-<2.o
ST. VRAIN TVPH-<50
MW 8R GAUGE STATION
MW- 10 MW-1y #1 0 60
60 120
' SLURRY MW- 12 WALL E=4.9
x-2.s SCALE IN FEET
B_500 TVPH-170 SCALE IN / T=<1.0
E=70
' i l r ,l TVPH==1'811 LEGEND: FIGUR FIGURE 3
- - - - 8' GASOLINE PIPELINE
' B-<1.0 MW_1R GROUNDWATER LAB( VATER LABORATORY RESULTS
B=<1.0 T=<1.0 8-<1.0 NEW MONITORING WELL LOCATION p T-<1.0 E=<1.0 T=<I.0 U/ 8/11/07
E-<1.0 X-<2.0 E=<1.0 B=<1.0 X-<2.0 TVPH-<50 X=<2.0 SURFACE WATER STAFF GAUGE
' T-<1.0 TVPH-<50 TVPH-<50 BAYSHORE PIPE E-<1<2.0.0 SHORE PIPELINE RELEASE
B-<1.0 X= ABANDONED MONITORING WELL LOCATION LONGMONT, _ONGMONT, COLORADO
T-<1.0 TVPH-<50 ESTIMATED EXTENT OF BENZENE IN GROUNDWATER >5 ppb E=<1.0
' X-<2.0 B-BENZENE (ug/1) TVPH-<50 T=TOLUENE (ug/1) E-21 ngineerim igineering Inc.
E-ETHYL-BENZENE (ug/I) Environmental Engineering for the 2 X-XYLENES (ug/1) TVPH-TOTAL VOLATILE PETROLEUM HYDROCARBONS 2695 S. Raritan Street ngineering for the 21st Century
ug/1=MICROGRAMS PER LITER Englewood, Colorado 80110 Street "ado 80110 09/09/07