Environmental Sample

COGIS - Environmental Sample Site Information

#287290 Information

Sample Site ID	287290
FacilityType	Gas	Proj Number
County	GARFIELD - 045	Location	SWSE 28 6S96W
Elevation	5459	Lat/Long	39.48931/-108.110515
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-045-12952	Well Name:	WILLIAMS GM 424-28
Well Status:	SI	Operator Name:	TEP ROCKY MOUNTAIN LLC
Location:	SWSE 28 6S 96W

CECMC Water Quality Database Disclaimer
The analytical data And other information In this database are a compilation Of data collected by CECMC staff, Data submitted To CECMC from a variety Of third parties, And historical data. All analytical data collected by Or submitted To the CECMC Is Public information And CECMC posts the data To this database As a Public service. The data Is provided For informational purposes only. CECMC does Not conduct a detailed review Of quality control/quality assurance protocols, chain Of custody procedures, Or field Or laboratory methodologies On data received from third parties. The level Of review performed On historical data Is unknown. CECMC does Not regularly perform formal data validation For any Of the data posted To this database. The CECMC makes no warranties Or representations Of any kind, express Or implied, regarding the quality, accuracy, reliability, merchantability, Or fitness For a particular purpose Of the data provided herein.

Sample(s)

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668395

668396

Sample ID: 668395 Sample Date: 06/03/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 668395 Dolan Integration Group ID: DIG-039967
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1007	BTU/cuft
SOP	BUTANE	0.168	MOL %	0.005
SOP	C6+ (hexanes +)	0.046	MOL %	0.005
SOP	CARBON DIOXIDE	3.456	MOL %	0.005
SOP	DELTA 13C C1	-36.9	per mil
SOP	DELTA 13C C2	-25.5	per mil
SOP	DELTA 13C C3	-23.5	per mil
SOP	DELTA 13C CO2	-4.3	per mil
SOP	DELTA 13C iC4	-23.2	per mil
SOP	Delta 13C iC5	-23.1	per mil
SOP	DELTA 13C nC4	-23.7	per mil
SOP	DELTA D C1	-175	per mil
SOP	ETHANE	4.333	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.038	MOL %	0.005
SOP	ISOBUTANE	0.218	MOL %	0.005
SOP	ISOPENTANE	0.071	MOL %	0.005
SOP	METHANE	87.87	MOL %	0.005
SOP	NITROGEN (N2)	2.256	MOL %	0.005
SOP	OXYGEN + ARGON	0.563	MOL %	0.005
SOP	PENTANE	0.036	MOL %	0.005
SOP	PROPANE	0.944	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.639	No Unit

Sample ID: 668396 Sample Date: 06/03/2025 Matrix: GAS Collection Point: WellHead Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 668396 Dolan Integration Group ID: DIG-039968
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1024	BTU/cuft
SOP	BUTANE	0.195	MOL %	0.005
SOP	C6+ (hexanes +)	0.042	MOL %	0.005
SOP	CARBON DIOXIDE	3.242	MOL %	0.005
SOP	DELTA 13C C1	-36.7	per mil
SOP	DELTA 13C C2	-25.7	per mil
SOP	DELTA 13C C3	-23.4	per mil
SOP	DELTA 13C CO2	-4.1	per mil
SOP	DELTA 13C iC4	-23.2	per mil
SOP	Delta 13C iC5	-22.7	per mil
SOP	DELTA 13C nC4	-21.9	per mil
SOP	DELTA D C1	-175	per mil
SOP	ETHANE	4.829	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	ND	MOL %	0.005	ND
SOP	ISOBUTANE	0.266	MOL %	0.005
SOP	ISOPENTANE	0.087	MOL %	0.005
SOP	METHANE	87.875	MOL %	0.005
SOP	NITROGEN (N2)	1.842	MOL %	0.005
SOP	OXYGEN + ARGON	0.453	MOL %	0.005
SOP	PENTANE	0.045	MOL %	0.005
SOP	PROPANE	1.123	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.64	No Unit

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COGIS - Environmental Sample Site Information

Sample ID: 668395 Sample Date: 06/03/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample ID: 668396 Sample Date: 06/03/2025 Matrix: GAS Collection Point: WellHead Type: PRDG Lab: Dolan Integration Group