Environmental Sample

COGIS - Environmental Sample Site Information

#478974 Information

Sample Site ID	478974
FacilityType	OG	Proj Number
County	WELD - 123	Location	Lot2 7 5N66W
Elevation	4873	Lat/Long	40.414642/-104.827929
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-51446	Well Name:	Bost Farm 9N-8C-L
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)

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Sample ID: 672613 Sample Date: 09/23/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 672613 Dolan Integration Group ID: DIG-041527
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	56	BTU/cuft
SOP	BUTANE	0.018	MOL %	0.005
SOP	C6+ (hexanes +)	ND	MOL %	0.005	ND
SOP	CARBON DIOXIDE	0.015	MOL %	0.005
SOP	DELTA 13C C1	-29.9	per mil
SOP	DELTA 13C C2	-27	per mil
SOP	DELTA 13C C3	-26.7	per mil
SOP	DELTA 13C iC4	-29.5	per mil
SOP	DELTA 13C nC4	-26.8	per mil
SOP	DELTA D C1	-239	per mil
SOP	ETHANE	0.316	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	6.966	MOL %	0.005
SOP	ISOBUTANE	0.009	MOL %	0.005
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	4.249	MOL %	0.005
SOP	NITROGEN (N2)	80.772	MOL %	0.005
SOP	OXYGEN + ARGON	7.567	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.088	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.961	No Unit

Sample ID: 672614 Sample Date: 09/23/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 672614 Dolan Integration Group ID: DIG-041528
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1126	BTU/cuft
SOP	BUTANE	1.469	MOL %	0.005
SOP	C6+ (hexanes +)	0.141	MOL %	0.005
SOP	CARBON DIOXIDE	0.853	MOL %	0.005
SOP	DELTA 13C C1	-43.1	per mil
SOP	DELTA 13C C2	-31	per mil
SOP	DELTA 13C C3	-28	per mil
SOP	DELTA 13C CO2	0	per mil
SOP	DELTA 13C iC4	-31.1	per mil
SOP	Delta 13C iC5	-28.6	per mil
SOP	DELTA 13C nC4	-27.4	per mil
SOP	Delta 13C nC5	-27.7	per mil
SOP	DELTA D C1	-247	per mil
SOP	ETHANE	10.634	MOL %	0.005
SOP	ETHENE	0.007	MOL %	0.005
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.515	MOL %	0.005
SOP	ISOBUTANE	0.649	MOL %	0.005
SOP	ISOPENTANE	0.253	MOL %	0.005
SOP	METHANE	70.959	MOL %	0.005
SOP	NITROGEN (N2)	7.551	MOL %	0.005
SOP	OXYGEN + ARGON	1.98	MOL %	0.005
SOP	PENTANE	0.259	MOL %	0.005
SOP	PROPANE	4.73	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.747	No Unit

Sample ID: 647143 Sample Date: 02/22/2023 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 647143 Dolan Integration Group ID: DIG-031103
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	111	BTU/cuft
SOP	BUTANE	0.035	MOL %	0.005
SOP	C6+ (hexanes +)	ND	MOL %	0.005	ND
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-45.6	per mil
SOP	DELTA 13C C2	-30	per mil
SOP	DELTA 13C C3	-26.7	per mil
SOP	DELTA D C1	-248	per mil
SOP	ETHANE	0.975	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.64	MOL %	0.005
SOP	ISOBUTANE	0.022	MOL %	0.005
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	8.277	MOL %	0.005
SOP	NITROGEN (N2)	88.895	MOL %	0.005
SOP	OXYGEN + ARGON	0.903	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.248	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.937	No Unit

Sample ID: 647144 Sample Date: 02/22/2023 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 647144 Dolan Integration Group ID: DIG-031104
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1182	BTU/cuft
SOP	BUTANE	1.029	MOL %	0.005
SOP	C6+ (hexanes +)	0.092	MOL %	0.005
SOP	CARBON DIOXIDE	0.241	MOL %	0.005
SOP	DELTA 13C C1	-47.3	per mil
SOP	DELTA 13C C2	-31.6	per mil
SOP	DELTA 13C C3	-28	per mil
SOP	DELTA 13C CO2	0.7	per mil
SOP	DELTA 13C nC4	-27.8	per mil
SOP	DELTA D C1	-247	per mil
SOP	ETHANE	11.012	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.574	MOL %	0.005
SOP	ISOBUTANE	0.475	MOL %	0.005
SOP	ISOPENTANE	0.183	MOL %	0.005
SOP	METHANE	80.065	MOL %	0.005
SOP	NITROGEN (N2)	1.716	MOL %	0.005
SOP	OXYGEN + ARGON	0.314	MOL %	0.005
SOP	PENTANE	0.191	MOL %	0.005
SOP	PROPANE	4.111	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.69	No Unit

Sample ID: 656604 Sample Date: 01/18/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 656604 Dolan Integration Group ID: DIG-034431
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	49	BTU/cuft
SOP	BUTANE	0.019	MOL %	0.005
SOP	C6+ (hexanes +)	ND	MOL %	0.005	ND
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-46.5	per mil
SOP	DELTA 13C C2	-32.6	per mil
SOP	DELTA 13C C3	-29.4	per mil
SOP	DELTA D C1	-259	per mil
SOP	ETHANE	0.345	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	6.08	MOL %	0.005
SOP	ISOBUTANE	0.009	MOL %	0.005
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	3.517	MOL %	0.005
SOP	NITROGEN (N2)	89.725	MOL %	0.005
SOP	OXYGEN + ARGON	0.219	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.085	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.953	No Unit

Sample ID: 656605 Sample Date: 01/18/2024 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 656605 Dolan Integration Group ID: DIG-034432
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1235	BTU/cuft
SOP	BUTANE	1.603	MOL %	0.005
SOP	C6+ (hexanes +)	0.15	MOL %	0.005
SOP	CARBON DIOXIDE	2.156	MOL %	0.005
SOP	DELTA 13C C1	-47.4	per mil
SOP	DELTA 13C C2	-31.4	per mil
SOP	DELTA 13C C3	-27.6	per mil
SOP	DELTA 13C CO2	2.8	per mil
SOP	DELTA 13C iC4	-30.6	per mil
SOP	Delta 13C iC5	-26.9	per mil
SOP	DELTA 13C nC4	-27.3	per mil
SOP	Delta 13C nC5	-26.8	per mil
SOP	DELTA D C1	-251	per mil
SOP	ETHANE	12.91	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	0.687	MOL %	0.005
SOP	ISOPENTANE	0.287	MOL %	0.005
SOP	METHANE	75.715	MOL %	0.005
SOP	NITROGEN (N2)	0.635	MOL %	0.005
SOP	OXYGEN + ARGON	0.119	MOL %	0.005
SOP	PENTANE	0.303	MOL %	0.005
SOP	PROPANE	5.434	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.741	No Unit

Sample ID: 646092 Sample Date: 01/11/2023 Matrix: WATER Collection Point: BDH Type: BDH Lab: ALS Houston

Sample Results for Sample # 646092 ALS Houston ID: HS23010681-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E200.8	CALCIUM	1300	mg/L
E200.8	MAGNESIUM	1.87	mg/L		J
E200.8	POTASSIUM	913	mg/L
E200.8	SODIUM	824	mg/L
E300.0	CHLORIDE	3190	mg/L
E300.0	SULFATE	163	mg/L
RSK175	ETHANE	290	ug/L
RSK175	METHANE	840	ug/L
RSK175	PROPANE	333	ug/L
SM2320B	BICARBONATE ALKALINITY as CACO3	53.3	mg/L
SM2320B	Carbonate as CaCO3	939	mg/L
SM2320B	TOTAL ALKALINITY AS CACO3	992	mg/L
SM2540C	TOTAL DISSOLVED SOLIDS	14000	mg/L
SW8015	TEPH DIESEL RANGE ORGANICS	1200	mg/L
SW8015	TVPH - Gasoline Range Organics	ND	mg/L		U
SW8260	BENZENE	ND	ug/L		U
SW8260	ETHYLBENZENE	ND	ug/L		U
SW8260	M-+P-XYLENE	430	ug/L		J
SW8260	o-XYLENE	ND	ug/L		U
SW8260	TOLUENE	320	ug/L		J
SW8260	TOTAL XYLENES	430	ug/L		J

Sample ID: 646093 Sample Date: 01/11/2023 Matrix: WATER Collection Point: BDH Type: BDH Lab: ALS Houston

Sample Results for Sample # 646093 ALS Houston ID: HS23010681-02
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E200.8	CALCIUM	1210	mg/L
E200.8	MAGNESIUM	4.5	mg/L		J
E200.8	POTASSIUM	896	mg/L
E200.8	SODIUM	829	mg/L

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