Environmental Sample

COGIS - Environmental Sample Site Information

#478979 Information

Sample Site ID	478979
FacilityType	OG	Proj Number
County	WELD - 123	Location	Lot2 7 5N66W
Elevation	4874	Lat/Long	40.414643/-104.828144
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-51451	Well Name:	Bost Farm 39N-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)

All

Sample ID: 645137 Sample Date: 12/19/2022 Matrix: WATER Collection Point: BDH Type: BDH Lab: ALS Houston

Sample Results for Sample # 645137 ALS Houston ID: HS22121245-02
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E200.8	CALCIUM	478	mg/L
E200.8	MAGNESIUM	0.105	mg/L		J
E200.8	POTASSIUM	663	mg/L
E200.8	SODIUM	682	mg/L

Sample ID: 645136 Sample Date: 12/19/2022 Matrix: WATER Collection Point: BDH Type: BDH Lab: ALS Houston

Sample Results for Sample # 645136 ALS Houston ID: HS22121245-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E200.8	CALCIUM	427	mg/L
E200.8	MAGNESIUM	0.0863	mg/L		J
E200.8	POTASSIUM	631	mg/L
E200.8	SODIUM	630	mg/L
E300.0	CHLORIDE	1240	mg/L
E300.0	SULFATE	202	mg/L
RSK175	ETHANE	35.4	ug/L
RSK175	METHANE	86.1	ug/L
RSK175	PROPANE	103	ug/L
SM2320B	BICARBONATE ALKALINITY as CACO3	ND	mg/L		U
SM2320B	Carbonate as CaCO3	1050	mg/L
SM2320B	TOTAL ALKALINITY AS CACO3	1400	mg/L
SM2540C	TOTAL DISSOLVED SOLIDS	5340	mg/L
SW8015	TEPH DIESEL RANGE ORGANICS	720	mg/L
SW8015	TVPH - Gasoline Range Organics	79.8	mg/L
SW8260	BENZENE	ND	ug/L		U
SW8260	ETHYLBENZENE	ND	ug/L		U
SW8260	M-+P-XYLENE	1.1	ug/L		J
SW8260	o-XYLENE	ND	ug/L		U
SW8260	TOLUENE	ND	ug/L		U
SW8260	TOTAL XYLENES	1.1	ug/L

Sample ID: 672354 Sample Date: 09/24/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 672354 Dolan Integration Group ID: DIG-041553
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	133	BTU/cuft
SOP	BUTANE	0.016	MOL %	0.005
SOP	C6+ (hexanes +)	ND	MOL %	0.005	ND
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-41.1	per mil
SOP	DELTA 13C C2	-29.6	per mil
SOP	DELTA 13C C3	-27.4	per mil
SOP	DELTA 13C nC4	-27.1	per mil
SOP	DELTA D C1	-238	per mil
SOP	ETHANE	0.385	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	20.751	MOL %	0.005
SOP	ISOBUTANE	0.008	MOL %	0.005
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	9.411	MOL %	0.005
SOP	NITROGEN (N2)	68.266	MOL %	0.005
SOP	OXYGEN + ARGON	1.08	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.082	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.921	No Unit

Sample ID: 672355 Sample Date: 09/24/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 672355 Dolan Integration Group ID: DIG-041554
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1147	BTU/cuft
SOP	BUTANE	0.802	MOL %	0.005
SOP	C6+ (hexanes +)	0.051	MOL %	0.005
SOP	CARBON DIOXIDE	1.858	MOL %	0.005
SOP	DELTA 13C C1	-41.6	per mil
SOP	DELTA 13C C2	-30.8	per mil
SOP	DELTA 13C C3	-28.1	per mil
SOP	DELTA 13C CO2	3.4	per mil
SOP	DELTA 13C iC4	-30.4	per mil
SOP	DELTA 13C nC4	-27.3	per mil
SOP	Delta 13C nC5	-26.7	per mil
SOP	DELTA D C1	-253	per mil
SOP	ETHANE	12.793	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.084	MOL %	0.005
SOP	ISOBUTANE	0.453	MOL %	0.005
SOP	ISOPENTANE	0.076	MOL %	0.005
SOP	METHANE	74.008	MOL %	0.005
SOP	NITROGEN (N2)	3.965	MOL %	0.005
SOP	OXYGEN + ARGON	0.974	MOL %	0.005
SOP	PENTANE	0.07	MOL %	0.005
SOP	PROPANE	4.867	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.725	No Unit

Sample ID: 646535 Sample Date: 02/07/2023 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 646535 Dolan Integration Group ID: DIG-030963
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	34	BTU/cuft
SOP	BUTANE	0.026	MOL %	0.005
SOP	C6+ (hexanes +)	0.008	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-46.4	per mil
SOP	DELTA 13C C2	-31.4	per mil
SOP	DELTA 13C C3	-27	per mil
SOP	DELTA D C1	-247	per mil
SOP	ETHANE	0.279	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	0.272	MOL %	0.005
SOP	ISOBUTANE	0.013	MOL %	0.005
SOP	ISOPENTANE	0.007	MOL %	0.005
SOP	METHANE	2.313	MOL %	0.005
SOP	NITROGEN (N2)	96.413	MOL %	0.005
SOP	OXYGEN + ARGON	0.572	MOL %	0.005
SOP	PENTANE	0.008	MOL %	0.005
SOP	PROPANE	0.089	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.96	No Unit

Sample ID: 646536 Sample Date: 02/07/2023 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 646536 Dolan Integration Group ID: DIG-030964
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1192	BTU/cuft
SOP	BUTANE	1.233	MOL %	0.005
SOP	C6+ (hexanes +)	0.244	MOL %	0.005
SOP	CARBON DIOXIDE	2.024	MOL %	0.005
SOP	DELTA 13C C1	-47.2	per mil
SOP	DELTA 13C C2	-31.1	per mil
SOP	DELTA 13C C3	-27.5	per mil
SOP	DELTA 13C CO2	4.3	per mil
SOP	DELTA 13C nC4	-27.2	per mil
SOP	DELTA D C1	-245	per mil
SOP	ETHANE	11.541	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	0.546	MOL %	0.005
SOP	ISOPENTANE	0.268	MOL %	0.005
SOP	METHANE	77.667	MOL %	0.005
SOP	NITROGEN (N2)	1.482	MOL %	0.005
SOP	OXYGEN + ARGON	0.298	MOL %	0.005
SOP	PENTANE	0.301	MOL %	0.005
SOP	PROPANE	4.396	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.722	No Unit

Sample ID: 656630 Sample Date: 01/19/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 656630 Dolan Integration Group ID: DIG-034456
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	315	BTU/cuft
SOP	BUTANE	0.243	MOL %	0.005
SOP	C6+ (hexanes +)	0.028	MOL %	0.005
SOP	CARBON DIOXIDE	0.446	MOL %	0.005
SOP	DELTA 13C C1	-46.6	per mil
SOP	DELTA 13C C2	-31	per mil
SOP	DELTA 13C C3	-27.7	per mil
SOP	DELTA 13C CO2	3.9	per mil
SOP	DELTA 13C iC4	-29.7	per mil
SOP	Delta 13C iC5	-27.4	per mil
SOP	DELTA 13C nC4	-27	per mil
SOP	Delta 13C nC5	-27.5	per mil
SOP	DELTA D C1	-270	per mil
SOP	ETHANE	2.457	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	15.142	MOL %	0.005
SOP	ISOBUTANE	0.107	MOL %	0.005
SOP	ISOPENTANE	0.048	MOL %	0.005
SOP	METHANE	18.461	MOL %	0.005
SOP	NITROGEN (N2)	61.544	MOL %	0.005
SOP	OXYGEN + ARGON	0.667	MOL %	0.005
SOP	PENTANE	0.05	MOL %	0.005
SOP	PROPANE	0.806	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.895	No Unit

Sample ID: 656631 Sample Date: 01/19/2024 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 656631 Dolan Integration Group ID: DIG-034457
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1169	BTU/cuft
SOP	BUTANE	1.253	MOL %	0.005
SOP	C6+ (hexanes +)	0.118	MOL %	0.005
SOP	CARBON DIOXIDE	2.053	MOL %	0.005
SOP	DELTA 13C C1	-46.5	per mil
SOP	DELTA 13C C2	-31.2	per mil
SOP	DELTA 13C C3	-27.7	per mil
SOP	DELTA 13C CO2	3.9	per mil
SOP	DELTA 13C iC4	-29.9	per mil
SOP	Delta 13C iC5	-27	per mil
SOP	DELTA 13C nC4	-27	per mil
SOP	Delta 13C nC5	-27.3	per mil
SOP	DELTA D C1	-248	per mil
SOP	ETHANE	12.006	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	0.585	MOL %	0.005
SOP	ISOPENTANE	0.222	MOL %	0.005
SOP	METHANE	74.367	MOL %	0.005
SOP	NITROGEN (N2)	3.407	MOL %	0.005
SOP	OXYGEN + ARGON	0.922	MOL %	0.005
SOP	PENTANE	0.229	MOL %	0.005
SOP	PROPANE	4.837	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.736	No Unit

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