2007-11-20_REVISION - M1982015 ‎(11)‎

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

TABLE 4
SURFACE WATER LABORATORY RESULTS
BAYSHORE PIPELINE SITE
FIRESTONE, COLORADO
F_91 PRAJFCT NA stAn

Sample ID
Date Benzene

(ug/l) Toluene

(ug/I) Ethyl-
Benzene
(ug/1) Xylenes

(ug/I) Methyl tert-
Butyl Ether
(u I) TVPH

(ug/I)
Colorado MCLs 5 1,000 700 1,400 20 NA
St. Wain Gauge Station #1 12/18/06 <0.050 <0.050 <0.050 <0.10 <0.050 <500
St. Wain Gauge Station #1 01/25/07 <0.050 <0.050 <0.050 <0.10 <0.050 <500
St. Wain Gauge Station #1 02/15/07 <1.0 <1.0 <1.0 <2.0 <1.0 <50.0
St. Wain Gauge Station #1 02/20/07 <1.0 <1.0 <1.0 <2.0 NA NA
St. Wain Gauge Station #1 02/27/07 <1.0 <1.0 <1.0 <2.0 NA NA
St. Vrain Gauge Station #1 03/12/07 <1.0 <1.0 <1.0 <2.0 NA NA
St. Vrain Gauge Station #1 04/21/07 <1.0 <1.0 <1.0 <2.0 NA <50
St. Wain Gauge Station #1 08/11/07 <1.0 0.0 <1.0 <2.0 <1.0 <50

St. Wain Gauge Station #2 12/18/06 <0.050 <0.050 <0.050 <0.10 <0.050 <500
St. Wain Gauge Station #2 01/25/07 <0.050 <0.050 <0.050 <0.10 <0.050 <500
St. Vrain Gauge Station #2 02/15/07 <1.0 <1.0 <1.0 <2.0 <1.0 <50.0
St. Wain Gauge Station #2 02/20/07 <1.0 <1.0 <1.0 <2.0 NA NA
St. Wain Gauge Station #2 02/27/07 <1.0 0.0 <1.0 <2.0 NA NA
St. Wain Gauge Station #2 03/12/07 0.0 <1.0 0.0 <2.0 NA NA
St. Vrain Gauge Station #2 04/21/07 <1.0 <1.0 <1.0 <2.0 NA <50
St. Wain Gauge Station #2 08/11/07 <1.0 <1.0 <1.0 <2.0 0.0 <50

St. Wain Upgradient 12/18/06 <0.050 <0.050 <0.050 <0.10 <0.050 <500
St. Wain Upgradient 01/25/07 <0.050 <0.050 <0.050 <0.10 <0.050 <500

OP-West 03/08/07 0.0 0.0 0.0 <2.0 NA NA
QP-West 03/12/07 <1.0 0.0 <1.0 <2.0 NA NA
Quarry Pond W-Effluent 03/12/07 0.0 <1.0 <1.0 <2.0 NA NA
Page 2 of 2 863 BAYSHORE TABLESALST3 - Surface Water Chem