Environmental Sample

COGIS - Environmental Sample Site Information

#478977 Information

Sample Site ID	478977
FacilityType	OG	Proj Number
County	WELD - 123	Location	Lot2 7 5N66W
Elevation	4871	Lat/Long	40.414641/-104.827785
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-51449	Well Name:	Bost Farm 40N-8B-L2
Well Status:	PR	Operator Name:	PDC ENERGY INC
Location:	Lot2 7 5N 66W

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)

All

Sample ID: 672320 Sample Date: 09/24/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 672320 Dolan Integration Group ID: DIG-041558
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	973	BTU/cuft
SOP	BUTANE	0.89	MOL %	0.005
SOP	C6+ (hexanes +)	0.033	MOL %	0.005
SOP	CARBON DIOXIDE	0.999	MOL %	0.005
SOP	DELTA 13C C1	-40.1	per mil
SOP	DELTA 13C C2	-30	per mil
SOP	DELTA 13C C3	-27.6	per mil
SOP	DELTA 13C CO2	2.1	per mil
SOP	DELTA 13C iC4	-31	per mil
SOP	Delta 13C iC5	-28.5	per mil
SOP	DELTA 13C nC4	-27	per mil
SOP	Delta 13C nC5	-27.5	per mil
SOP	DELTA D C1	-249	per mil
SOP	ETHANE	8.984	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.956	MOL %	0.005
SOP	ISOBUTANE	0.413	MOL %	0.005
SOP	ISOPENTANE	0.135	MOL %	0.005
SOP	METHANE	65.655	MOL %	0.005
SOP	NITROGEN (N2)	14.507	MOL %	0.005
SOP	OXYGEN + ARGON	3.856	MOL %	0.005
SOP	PENTANE	0.123	MOL %	0.005
SOP	PROPANE	3.449	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.748	No Unit

Sample ID: 672319 Sample Date: 09/24/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 672319 Dolan Integration Group ID: DIG-041557
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	36	BTU/cuft
SOP	BUTANE	0.012	MOL %	0.005
SOP	C6+ (hexanes +)	ND	MOL %	0.005	ND
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-24.5	per mil
SOP	DELTA 13C C2	-25.2	per mil
SOP	DELTA 13C C3	-25.7	per mil
SOP	DELTA 13C nC4	-26.3	per mil
SOP	DELTA D C1	-248	per mil
SOP	ETHANE	0.22	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	16.404	MOL %	0.005
SOP	ISOBUTANE	0.006	MOL %	0.005
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	2.264	MOL %	0.005
SOP	NITROGEN (N2)	78.449	MOL %	0.005
SOP	OXYGEN + ARGON	2.578	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.062	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.961	No Unit

Sample ID: 646537 Sample Date: 02/07/2023 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 646537 Dolan Integration Group ID: DIG-030967
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	9	BTU/cuft
SOP	BUTANE	0.009	MOL %	0.005
SOP	C6+ (hexanes +)	0.006	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-47.4	per mil
SOP	DELTA D C1	-252	per mil
SOP	ETHANE	0.072	MOL %	0.005
SOP	ETHENE	0.011	MOL %	0.005
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.508	MOL %	0.005
SOP	ISOBUTANE	0.006	MOL %	0.005
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	0.523	MOL %	0.005
SOP	NITROGEN (N2)	98.413	MOL %	0.005
SOP	OXYGEN + ARGON	0.428	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.025	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.966	No Unit

Sample ID: 646538 Sample Date: 02/07/2023 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 646538 Dolan Integration Group ID: DIG-030968
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1164	BTU/cuft
SOP	BUTANE	1.095	MOL %	0.005
SOP	C6+ (hexanes +)	0.172	MOL %	0.005
SOP	CARBON DIOXIDE	2.003	MOL %	0.005
SOP	DELTA 13C C1	-47.2	per mil
SOP	DELTA 13C C2	-30.9	per mil
SOP	DELTA 13C C3	-27.4	per mil
SOP	DELTA 13C CO2	4.3	per mil
SOP	DELTA 13C nC4	-26.7	per mil
SOP	DELTA D C1	-247	per mil
SOP	ETHANE	11.238	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	0.488	MOL %	0.005
SOP	ISOPENTANE	0.22	MOL %	0.005
SOP	METHANE	77.423	MOL %	0.005
SOP	NITROGEN (N2)	2.415	MOL %	0.005
SOP	OXYGEN + ARGON	0.551	MOL %	0.005
SOP	PENTANE	0.248	MOL %	0.005
SOP	PROPANE	4.145	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.717	No Unit

Sample ID: 656634 Sample Date: 01/19/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 656634 Dolan Integration Group ID: DIG-034460
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	67	BTU/cuft
SOP	BUTANE	0.036	MOL %	0.005
SOP	C6+ (hexanes +)	0.009	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-47.6	per mil
SOP	DELTA 13C C2	-31.6	per mil
SOP	DELTA 13C C3	-28.9	per mil
SOP	DELTA 13C nC4	-29.4	per mil
SOP	DELTA D C1	-268	per mil
SOP	ETHANE	0.395	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	17.226	MOL %	0.005
SOP	ISOBUTANE	0.014	MOL %	0.005
SOP	ISOPENTANE	0.008	MOL %	0.005
SOP	METHANE	4.144	MOL %	0.005
SOP	NITROGEN (N2)	77.605	MOL %	0.005
SOP	OXYGEN + ARGON	0.443	MOL %	0.005
SOP	PENTANE	0.009	MOL %	0.005
SOP	PROPANE	0.112	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.949	No Unit

Sample ID: 656635 Sample Date: 01/19/2024 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 656635 Dolan Integration Group ID: DIG-034461
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1223	BTU/cuft
SOP	BUTANE	1.406	MOL %	0.005
SOP	C6+ (hexanes +)	0.111	MOL %	0.005
SOP	CARBON DIOXIDE	2.172	MOL %	0.005
SOP	DELTA 13C C1	-47.5	per mil
SOP	DELTA 13C C2	-31.6	per mil
SOP	DELTA 13C C3	-28.1	per mil
SOP	DELTA 13C CO2	2.8	per mil
SOP	DELTA 13C iC4	-30.1	per mil
SOP	Delta 13C iC5	-26.8	per mil
SOP	DELTA 13C nC4	-27	per mil
SOP	Delta 13C nC5	-27.5	per mil
SOP	DELTA D C1	-250	per mil
SOP	ETHANE	12.83	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	0.629	MOL %	0.005
SOP	ISOPENTANE	0.241	MOL %	0.005
SOP	METHANE	76.105	MOL %	0.005
SOP	NITROGEN (N2)	0.699	MOL %	0.005
SOP	OXYGEN + ARGON	0.138	MOL %	0.005
SOP	PENTANE	0.256	MOL %	0.005
SOP	PROPANE	5.413	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.735	No Unit

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