Environmental Sample

COGIS - Environmental Sample Site Information

#288765 Information

Sample Site ID	288765
FacilityType	Gas	Proj Number
County	RIO BLANCO - 103	Location	NWSE 32 1N98W
Elevation	6780	Lat/Long	40.01058/-108.41337
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-103-10974	Well Name:	YELLOW CREEK FEDERAL 32-33-1
Well Status:	SI	Operator Name:	QB ENERGY OPERATING LLC
Location:	NWSE 32 1N 98W

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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672454

672453

Sample ID: 672454 Sample Date: 09/19/2025 Matrix: GAS Collection Point: PRDC Type: PCS Lab: EMPACT

Sample Results for Sample # 672454 EMPACT ID: 202510008-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
AD6730	2,2,4-Trimethylpentane	ND	MOL %	0.0001	ND
AD6730	BENZENE	ND	MOL %	0.0001	ND
AD6730	BRITISH THERMAL UNITS	1154.4	BTU/cuft
AD6730	BUTANE	0.8093	MOL %	0.0001
AD6730	C11 (mixed isomers)	0.0001	MOL %	0.0001
AD6730	C12 (mixed isomers)	ND	MOL %	0.0001	ND
AD6730	C13 (mixed isomers)	0.0001	MOL %	0.0001
AD6730	CARBON DIOXIDE	0.19	MOL %	0.01
AD6730	CYCLOHEXANE	0.004	MOL %	0.0001
AD6730	Decane	ND	MOL %	0.0001	ND
AD6730	Decanes (mixed isomers)	0.0001	MOL %	0.0001
AD6730	ETHANE	7.0388	MOL %	0.0001
AD6730	ETHYLBENZENE	0.0001	MOL %	0.0001
AD6730	Helium	0.01	MOL %	0.01
AD6730	Heptane	0.0004	MOL %	0.0001
AD6730	HYDROGEN	0.02	MOL %	0.01
AD6730	ISOBUTANE	0.735	MOL %	0.0001
AD6730	ISOPENTANE	0.246	MOL %	0.0001
AD6730	METHANE	86.7522	MOL %	1e-005
AD6730	N-HEXANE	0.0345	MOL %	0.0001
AD6730	n-octane	ND	MOL %	0.0001	ND
AD6730	NITROGEN (N2)	0.59	MOL %	0.01
AD6730	NONANE	ND	MOL %	0.0001	ND
AD6730	Other Heptanes	0.0052	MOL %	0.0001
AD6730	Other Hexanes	0.0715	MOL %	0.0001
AD6730	Other Nonanes	ND	MOL %	0.0001	ND
AD6730	Other Octanes	ND	MOL %	0.0001	ND
AD6730	OXYGEN/ARGON RATIO	0.01	MOL %	0.01
AD6730	PENTANE	0.1648	MOL %	0.0001
AD6730	PROPANE	3.3172	MOL %	0.0001
AD6730	SPECIFIC GRAVITY	0.6564	RATIO_AIR
AD6730	Tetradecanes +	ND	MOL %	0.0001	ND
AD6730	TOLUENE	ND	MOL %	0.0001	ND
AD6730	TOTAL XYLENES	0.0007	MOL %	0.0001
SOP	DELTA 13C C1	-40.5	per mil
SOP	DELTA 13C C2	-29	per mil
SOP	DELTA 13C C3	-26.3	per mil
SOP	DELTA 13C iC4	-26.3	per mil
SOP	Delta 13C iC5	-25.8	per mil
SOP	DELTA 13C nC4	-25.6	per mil
SOP	DELTA D C1	-198	per mil

Sample ID: 672453 Sample Date: 09/19/2025 Matrix: GAS Collection Point: BDH Type: SCAS Lab: EMPACT

Sample Results for Sample # 672453 EMPACT ID: 202510008-02
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
AD6730	2,2,4-Trimethylpentane	ND	MOL %	0.0001	ND
AD6730	BENZENE	0.0001	MOL %	0.0001
AD6730	BRITISH THERMAL UNITS	1081.6	BTU/cuft
AD6730	BUTANE	1.4055	MOL %	0.0001
AD6730	C11 (mixed isomers)	0.0004	MOL %	0.0001
AD6730	C12 (mixed isomers)	0.0001	MOL %	0.0001
AD6730	C13 (mixed isomers)	0.0001	MOL %	0.0001
AD6730	CARBON DIOXIDE	0.04	MOL %	0.01
AD6730	CYCLOHEXANE	0.0011	MOL %	0.0001
AD6730	Decane	0.0001	MOL %	0.0001
AD6730	Decanes (mixed isomers)	0.0005	MOL %	0.0001
AD6730	ETHANE	3.9765	MOL %	0.0001
AD6730	ETHYLBENZENE	0.0001	MOL %	0.0001
AD6730	Helium	0.02	MOL %	0.01
AD6730	Heptane	0.0014	MOL %	0.0001
AD6730	HYDROGEN	0.01	MOL %	0.01
AD6730	ISOBUTANE	0.3991	MOL %	0.0001
AD6730	ISOPENTANE	0.1164	MOL %	0.0001
AD6730	METHANE	91.5063	MOL %	1e-005
AD6730	N-HEXANE	0.0135	MOL %	0.0001
AD6730	n-octane	0.0003	MOL %	0.0001
AD6730	NITROGEN (N2)	0.69	MOL %	0.01
AD6730	NONANE	0.0001	MOL %	0.0001
AD6730	Other Heptanes	0.005	MOL %	0.0001
AD6730	Other Hexanes	0.0347	MOL %	0.0001
AD6730	Other Nonanes	0.0003	MOL %	0.0001
AD6730	Other Octanes	0.0009	MOL %	0.0001
AD6730	OXYGEN/ARGON RATIO	0.01	MOL %	0.01
AD6730	PENTANE	0.0801	MOL %	0.0001
AD6730	PROPANE	1.6868	MOL %	0.0001
AD6730	SPECIFIC GRAVITY	0.6148	RATIO_AIR
AD6730	Tetradecanes +	ND	MOL %	0.0001	ND
AD6730	TOLUENE	0.0001	MOL %	0.0001
AD6730	TOTAL XYLENES	0.0005	MOL %	0.0001
SOP	DELTA 13C C1	-39.5	per mil
SOP	DELTA 13C C2	-26.7	per mil
SOP	DELTA 13C C3	-26.3	per mil
SOP	DELTA 13C CO2	-13.8	per mil
SOP	DELTA 13C iC4	-25.9	per mil
SOP	Delta 13C iC5	-25.5	per mil
SOP	DELTA 13C nC4	-26.3	per mil
SOP	Delta 13C nC5	-25.4	per mil
SOP	DELTA D C1	-176	per mil

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COGIS - Environmental Sample Site Information

Sample ID: 672454 Sample Date: 09/19/2025 Matrix: GAS Collection Point: PRDC Type: PCS Lab: EMPACT

Sample ID: 672453 Sample Date: 09/19/2025 Matrix: GAS Collection Point: BDH Type: SCAS Lab: EMPACT