Environmental Sample

COGIS - Environmental Sample Site Information

#248745 Information

Sample Site ID	248745
FacilityType	OG	Proj Number
County	WELD - 123	Location	NWSE 20 4N66W
Elevation	4745	Lat/Long	40.2957/-104.798494
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-16547	Well Name:	MCCLELLAN 33-20
Well Status:	PA	Operator Name:	PDC ENERGY INC
Location:	NWSE 20 4N 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: 670383 Sample Date: 07/22/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 670383 Dolan Integration Group ID: DIG-040620
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1095	BTU/cuft
SOP	BUTANE	1.645	MOL %	0.005
SOP	C6+ (hexanes +)	0.157	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-48.9	per mil
SOP	DELTA 13C C2	-33.3	per mil
SOP	DELTA 13C C3	-28.6	per mil
SOP	DELTA 13C iC4	-32.4	per mil
SOP	Delta 13C iC5	-28.5	per mil
SOP	DELTA 13C nC4	-28.7	per mil
SOP	Delta 13C nC5	-28.6	per mil
SOP	DELTA D C1	-240	per mil
SOP	ETHANE	6.792	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	0.061	MOL %	0.005
SOP	HYDROGEN	0.032	MOL %	0.005
SOP	ISOBUTANE	0.92	MOL %	0.005
SOP	ISOPENTANE	0.586	MOL %	0.005
SOP	METHANE	71.568	MOL %	0.005
SOP	NITROGEN (N2)	11.925	MOL %	0.005
SOP	OXYGEN + ARGON	1.169	MOL %	0.005
SOP	PENTANE	0.478	MOL %	0.005
SOP	PROPANE	4.669	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.749	No Unit

Sample ID: 660418 Sample Date: 06/11/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 660418 Dolan Integration Group ID: DIG-035909
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1123	BTU/cuft
SOP	BUTANE	1.374	MOL %	0.005
SOP	C6+ (hexanes +)	0.287	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-51	per mil
SOP	DELTA 13C C2	-27.1	per mil
SOP	DELTA 13C C3	-24.6	per mil
SOP	DELTA 13C iC4	-29.1	per mil
SOP	Delta 13C iC5	-26.3	per mil
SOP	DELTA 13C nC4	-25.2	per mil
SOP	Delta 13C nC5	-25.6	per mil
SOP	DELTA D C1	-289	per mil
SOP	ETHANE	7.399	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	0.091	MOL %	0.005
SOP	HYDROGEN	ND	MOL %	0.005	ND
SOP	ISOBUTANE	0.721	MOL %	0.005
SOP	ISOPENTANE	0.538	MOL %	0.005
SOP	METHANE	76.89	MOL %	0.005
SOP	NITROGEN (N2)	8.382	MOL %	0.005
SOP	OXYGEN + ARGON	0.221	MOL %	0.005
SOP	PENTANE	0.521	MOL %	0.005
SOP	PROPANE	3.577	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.718	No Unit

Sample ID: 660419 Sample Date: 06/11/2024 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 660419 Dolan Integration Group ID: DIG-035910
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1196	BTU/cuft
SOP	BUTANE	1.558	MOL %	0.005
SOP	C6+ (hexanes +)	0.022	MOL %	0.005
SOP	CARBON DIOXIDE	2.723	MOL %	0.005
SOP	DELTA 13C C1	-42.4	per mil
SOP	DELTA 13C C2	-26.4	per mil
SOP	DELTA 13C C3	-23.5	per mil
SOP	DELTA 13C CO2	4.1	per mil
SOP	DELTA 13C iC4	-28	per mil
SOP	Delta 13C iC5	-25.5	per mil
SOP	DELTA 13C nC4	-24.1	per mil
SOP	Delta 13C nC5	-24.5	per mil
SOP	DELTA D C1	-216	per mil
SOP	ETHANE	11.155	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	0.816	MOL %	0.005
SOP	ISOPENTANE	0.453	MOL %	0.005
SOP	METHANE	76.917	MOL %	0.005
SOP	NITROGEN (N2)	1.308	MOL %	0.005
SOP	OXYGEN + ARGON	0.284	MOL %	0.005
SOP	PENTANE	0.374	MOL %	0.005
SOP	PROPANE	4.39	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.735	No Unit

Sample ID: 659745 Sample Date: 06/11/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 659745 Dolan Integration Group ID: DIG-035909
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1123	BTU/cuft
SOP	BUTANE	1.374	MOL %	0.005
SOP	C6+ (hexanes +)	0.287	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-51	per mil
SOP	DELTA 13C C2	-27.1	per mil
SOP	DELTA 13C C3	-24.6	per mil
SOP	DELTA 13C iC4	-29.1	per mil
SOP	Delta 13C iC5	-26.3	per mil
SOP	DELTA 13C nC4	-25.2	per mil
SOP	Delta 13C nC5	-25.6	per mil
SOP	DELTA D C1	-289	per mil
SOP	ETHANE	7.399	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	0.091	MOL %	0.005
SOP	HYDROGEN	ND	MOL %	0.005	ND
SOP	ISOBUTANE	0.721	MOL %	0.005
SOP	ISOPENTANE	0.538	MOL %	0.005
SOP	METHANE	76.89	MOL %	0.005
SOP	NITROGEN (N2)	8.382	MOL %	0.005
SOP	OXYGEN + ARGON	0.221	MOL %	0.005
SOP	PENTANE	0.521	MOL %	0.005
SOP	PROPANE	3.577	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.718	No Unit

Sample ID: 659746 Sample Date: 06/11/2024 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 659746 Dolan Integration Group ID: DIG-035910
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1196	BTU/cuft
SOP	BUTANE	1.558	MOL %	0.005
SOP	C6+ (hexanes +)	0.022	MOL %	0.005
SOP	CARBON DIOXIDE	2.723	MOL %	0.005
SOP	DELTA 13C C1	-42.4	per mil
SOP	DELTA 13C C2	-26.4	per mil
SOP	DELTA 13C C3	-23.5	per mil
SOP	DELTA 13C CO2	4.1	per mil
SOP	DELTA 13C iC4	-28	per mil
SOP	Delta 13C iC5	-25.5	per mil
SOP	DELTA 13C nC4	-24.1	per mil
SOP	Delta 13C nC5	-24.5	per mil
SOP	DELTA D C1	-216	per mil
SOP	ETHANE	11.155	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	0.816	MOL %	0.005
SOP	ISOPENTANE	0.453	MOL %	0.005
SOP	METHANE	76.917	MOL %	0.005
SOP	NITROGEN (N2)	1.308	MOL %	0.005
SOP	OXYGEN + ARGON	0.284	MOL %	0.005
SOP	PENTANE	0.374	MOL %	0.005
SOP	PROPANE	4.39	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.735	No Unit

Sample ID: 659747 Sample Date: 06/11/2024 Matrix: WATER Collection Point: BDH Type: BDH Lab: ALS Houston

Sample Results for Sample # 659747 ALS Houston ID: HS24060730-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E200.8	CALCIUM	4.91	mg/L
E200.8	MAGNESIUM	0.974	mg/L
E200.8	POTASSIUM	33.6	mg/L
E200.8	SODIUM	226	mg/L
E300.0	CHLORIDE	151	mg/L
E300.0	SULFATE	4.17	mg/L
RSK175	ETHANE	564	ug/L
RSK175	METHANE	1500	ug/L
RSK175	PROPANE	365	ug/L
SM2320B	BICARBONATE ALKALINITY as CACO3	254	mg/L
SM2320B	Carbonate as CaCO3	126	mg/L
SM2320B	TOTAL ALKALINITY AS CACO3	380	mg/L
SM2540C	TOTAL DISSOLVED SOLIDS	912	mg/L
SW8015	TEPH DIESEL RANGE ORGANICS	2.3	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	ND	ug/L		U
SW8260	o-XYLENE	ND	ug/L		U
SW8260	TOLUENE	ND	ug/L		U
SW8260	TOTAL XYLENES	ND	ug/L		U

Sample ID: 647772 Sample Date: 03/08/2023 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 647772 Dolan Integration Group ID: DIG-031206
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1155	BTU/cuft
SOP	BUTANE	1.409	MOL %	0.005
SOP	C6+ (hexanes +)	0.305	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-50.1	per mil
SOP	DELTA 13C C2	-31.1	per mil
SOP	DELTA 13C C3	-26.7	per mil
SOP	DELTA 13C nC4	-25.5	per mil
SOP	DELTA D C1	-256	per mil
SOP	ETHANE	8.852	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	0.054	MOL %	0.005
SOP	HYDROGEN	0.039	MOL %	0.005
SOP	ISOBUTANE	0.688	MOL %	0.005
SOP	ISOPENTANE	0.473	MOL %	0.005
SOP	METHANE	75.834	MOL %	0.005
SOP	NITROGEN (N2)	6.742	MOL %	0.005
SOP	OXYGEN + ARGON	0.676	MOL %	0.005
SOP	PENTANE	0.37	MOL %	0.005
SOP	PROPANE	4.559	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.727	No Unit

Sample ID: 647773 Sample Date: 03/08/2023 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 647773 Dolan Integration Group ID: DIG-031207
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1169	BTU/cuft
SOP	BUTANE	1.087	MOL %	0.005
SOP	C6+ (hexanes +)	0.025	MOL %	0.005
SOP	CARBON DIOXIDE	2.396	MOL %	0.005
SOP	DELTA 13C C1	-45.5	per mil
SOP	DELTA 13C C2	-27.9	per mil
SOP	DELTA 13C C3	-24.3	per mil
SOP	DELTA 13C CO2	5.3	per mil
SOP	DELTA 13C nC4	-24.9	per mil
SOP	DELTA D C1	-224	per mil
SOP	ETHANE	10.26	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.031	MOL %	0.005
SOP	ISOBUTANE	0.588	MOL %	0.005
SOP	ISOPENTANE	0.288	MOL %	0.005
SOP	METHANE	80.294	MOL %	0.005
SOP	NITROGEN (N2)	0.745	MOL %	0.005
SOP	OXYGEN + ARGON	0.127	MOL %	0.005
SOP	PENTANE	0.248	MOL %	0.005
SOP	PROPANE	3.913	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.704	No Unit

Sample ID: 647774 Sample Date: 03/08/2023 Matrix: WATER Collection Point: BDH Type: BDH Lab: ALS Houston

Sample Results for Sample # 647774 ALS Houston ID: HS23030673-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E200.8	CALCIUM	3.05	mg/L
E200.8	MAGNESIUM	ND	mg/L		U
E200.8	POTASSIUM	1.61	mg/L
E200.8	SODIUM	243	mg/L
E300.0	CHLORIDE	291	mg/L
E300.0	SULFATE	ND	mg/L		U
RSK175	ETHANE	5520	ug/L
RSK175	METHANE	5800	ug/L
RSK175	PROPANE	4960	ug/L
SM2320B	BICARBONATE ALKALINITY as CACO3	124	mg/L
SM2320B	Carbonate as CaCO3	53.4	mg/L
SM2320B	TOTAL ALKALINITY AS CACO3	177	mg/L
SM2540C	TOTAL DISSOLVED SOLIDS	804	mg/L
SW8015	TEPH DIESEL RANGE ORGANICS	0.56	mg/L
SW8015	TVPH - Gasoline Range Organics	272	mg/L
SW8260	BENZENE	8800	ug/L
SW8260	ETHYLBENZENE	ND	ug/L		U
SW8260	M-+P-XYLENE	3400	ug/L
SW8260	o-XYLENE	960	ug/L
SW8260	TOLUENE	14000	ug/L
SW8260	TOTAL XYLENES	4400	ug/L

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