Environmental Sample

COGIS - Environmental Sample Site Information

#478982 Information

Sample Site ID	478982
FacilityType	OG	Proj Number
County	WELD - 123	Location	Lot2 7 5N66W
Elevation	4873	Lat/Long	40.414642/-104.828001
DWR Receipt #		WellDepth

Related Facility/Well
API Number:	05-123-51454	Well Name:	Bost Farm 9N-8B-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: 644705 Sample Date: 12/06/2022 Matrix: WATER Collection Point: BDH Type: BDH Lab: ALS Houston

Sample Results for Sample # 644705 ALS Houston ID: HS22120517-01
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E200.8	CALCIUM	3630	mg/L
E200.8	MAGNESIUM	0.787	mg/L		J
E200.8	POTASSIUM	291	mg/L
E200.8	SODIUM	367	mg/L
E300.0	CHLORIDE	6820	mg/L
E300.0	SULFATE	672	mg/L
RSK175	ETHANE	496	ug/L
RSK175	METHANE	1990	ug/L
RSK175	PROPANE	384	ug/L
SM2320B	BICARBONATE ALKALINITY as CACO3	298	mg/L
SM2320B	Carbonate as CaCO3	140	mg/L
SM2320B	TOTAL ALKALINITY AS CACO3	438	mg/L
SM2540C	TOTAL DISSOLVED SOLIDS	26300	mg/L
SW8015	TEPH DIESEL RANGE ORGANICS	2000	mg/L
SW8015	TVPH - Gasoline Range Organics	139	mg/L
SW8260	BENZENE	98	ug/L
SW8260	ETHYLBENZENE	58	ug/L
SW8260	M-+P-XYLENE	490	ug/L
SW8260	o-XYLENE	160	ug/L
SW8260	TOLUENE	310	ug/L
SW8260	TOTAL XYLENES	650	ug/L

Sample ID: 644706 Sample Date: 12/06/2022 Matrix: WATER Collection Point: BDH Type: BDH Lab: ALS Houston

Sample Results for Sample # 644706 ALS Houston ID: HS22120517-02
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E200.8	CALCIUM	3450	mg/L
E200.8	MAGNESIUM	0.234	mg/L		J
E200.8	POTASSIUM	277	mg/L
E200.8	SODIUM	353	mg/L

Sample ID: 672308 Sample Date: 09/23/2025 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 672308 Dolan Integration Group ID: DIG-041525
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	82	BTU/cuft
SOP	BUTANE	0.014	MOL %	0.005
SOP	C6+ (hexanes +)	ND	MOL %	0.005	ND
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-39.2	per mil
SOP	DELTA 13C C2	-29.6	per mil
SOP	DELTA 13C C3	-27.4	per mil
SOP	DELTA 13C iC4	-30.1	per mil
SOP	DELTA 13C nC4	-27.2	per mil
SOP	DELTA D C1	-242	per mil
SOP	ETHANE	0.291	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	26.117	MOL %	0.005
SOP	ISOBUTANE	0.007	MOL %	0.005
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	5.168	MOL %	0.005
SOP	NITROGEN (N2)	66.283	MOL %	0.005
SOP	OXYGEN + ARGON	2.048	MOL %	0.005
SOP	PENTANE	ND	MOL %	0.005	ND
SOP	PROPANE	0.072	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.943	No Unit

Sample ID: 672309 Sample Date: 09/23/2025 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 672309 Dolan Integration Group ID: DIG-041526
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1188	BTU/cuft
SOP	BUTANE	1.439	MOL %	0.005
SOP	C6+ (hexanes +)	0.02	MOL %	0.005
SOP	CARBON DIOXIDE	2.048	MOL %	0.005
SOP	DELTA 13C C1	-45.2	per mil
SOP	DELTA 13C C2	-32.1	per mil
SOP	DELTA 13C C3	-29	per mil
SOP	DELTA 13C CO2	2.7	per mil
SOP	DELTA 13C iC4	-31.5	per mil
SOP	Delta 13C iC5	-28.5	per mil
SOP	DELTA 13C nC4	-27.9	per mil
SOP	Delta 13C nC5	-27.7	per mil
SOP	DELTA D C1	-257	per mil
SOP	ETHANE	13.274	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	0.657	MOL %	0.005
SOP	ISOPENTANE	0.207	MOL %	0.005
SOP	METHANE	71.606	MOL %	0.005
SOP	NITROGEN (N2)	3.857	MOL %	0.005
SOP	OXYGEN + ARGON	0.949	MOL %	0.005
SOP	PENTANE	0.184	MOL %	0.005
SOP	PROPANE	5.758	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.753	No Unit

Sample ID: 646519 Sample Date: 02/06/2023 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 646519 Dolan Integration Group ID: DIG-030947
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	33	BTU/cuft
SOP	BUTANE	0.019	MOL %	0.005
SOP	C6+ (hexanes +)	0.016	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-45.5	per mil
SOP	DELTA D C1	-248	per mil
SOP	ETHANE	0.203	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	1.088	MOL %	0.005
SOP	ISOBUTANE	0.009	MOL %	0.005
SOP	ISOPENTANE	ND	MOL %	0.005	ND
SOP	METHANE	2.415	MOL %	0.005
SOP	NITROGEN (N2)	95.597	MOL %	0.005
SOP	OXYGEN + ARGON	0.582	MOL %	0.005
SOP	PENTANE	0.007	MOL %	0.005
SOP	PROPANE	0.059	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.959	No Unit

Sample ID: 646520 Sample Date: 02/06/2023 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 646520 Dolan Integration Group ID: DIG-030948
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1185	BTU/cuft
SOP	BUTANE	1.221	MOL %	0.005
SOP	C6+ (hexanes +)	0.234	MOL %	0.005
SOP	CARBON DIOXIDE	2.008	MOL %	0.005
SOP	DELTA 13C C1	-47	per mil
SOP	DELTA 13C C2	-31.2	per mil
SOP	DELTA 13C C3	-27.6	per mil
SOP	DELTA 13C CO2	4.4	per mil
SOP	DELTA 13C iC4	-29.2	per mil
SOP	Delta 13C iC5	-26.7	per mil
SOP	DELTA 13C nC4	-26.8	per mil
SOP	Delta 13C nC5	-27.4	per mil
SOP	DELTA D C1	-244	per mil
SOP	ETHANE	11.452	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	0.535	MOL %	0.005
SOP	ISOPENTANE	0.258	MOL %	0.005
SOP	METHANE	77.269	MOL %	0.005
SOP	NITROGEN (N2)	1.899	MOL %	0.005
SOP	OXYGEN + ARGON	0.422	MOL %	0.005
SOP	PENTANE	0.296	MOL %	0.005
SOP	PROPANE	4.406	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.723	No Unit

Sample ID: 656602 Sample Date: 01/17/2024 Matrix: GAS Collection Point: BDH Type: BDH Lab: Dolan Integration Group

Sample Results for Sample # 656602 Dolan Integration Group ID: DIG-034429
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	27	BTU/cuft
SOP	BUTANE	0.021	MOL %	0.005
SOP	C6+ (hexanes +)	0.013	MOL %	0.005
SOP	CARBON DIOXIDE	ND	MOL %	0.005	ND
SOP	DELTA 13C C1	-48.1	per mil
SOP	DELTA 13C C2	-32.2	per mil
SOP	DELTA 13C C3	-29	per mil
SOP	DELTA D C1	-248	per mil
SOP	ETHANE	0.144	MOL %	0.005
SOP	ETHENE	ND	MOL %	0.005	ND
SOP	Helium	ND	MOL %	0.005	ND
SOP	HYDROGEN	7.024	MOL %	0.005
SOP	ISOBUTANE	0.007	MOL %	0.005
SOP	ISOPENTANE	0.007	MOL %	0.005
SOP	METHANE	1.812	MOL %	0.005
SOP	NITROGEN (N2)	90.918	MOL %	0.005
SOP	OXYGEN + ARGON	ND	MOL %	0.005	ND
SOP	PENTANE	0.01	MOL %	0.005
SOP	PROPANE	0.044	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.96	No Unit

Sample ID: 656603 Sample Date: 01/17/2024 Matrix: GAS Collection Point: PRD Type: PRDG Lab: Dolan Integration Group

Sample Results for Sample # 656603 Dolan Integration Group ID: DIG-034430
Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
SOP	BRITISH THERMAL UNITS	1224	BTU/cuft
SOP	BUTANE	1.477	MOL %	0.005
SOP	C6+ (hexanes +)	0.181	MOL %	0.005
SOP	CARBON DIOXIDE	2.103	MOL %	0.005
SOP	DELTA 13C C1	-46.5	per mil
SOP	DELTA 13C C2	-30.9	per mil
SOP	DELTA 13C C3	-28.2	per mil
SOP	DELTA 13C CO2	3.6	per mil
SOP	DELTA 13C iC4	-30	per mil
SOP	Delta 13C iC5	-26.7	per mil
SOP	DELTA 13C nC4	-27.1	per mil
SOP	Delta 13C nC5	-27.4	per mil
SOP	DELTA D C1	-250	per mil
SOP	ETHANE	12.616	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	0.626	MOL %	0.005
SOP	ISOPENTANE	0.317	MOL %	0.005
SOP	METHANE	76.276	MOL %	0.005
SOP	NITROGEN (N2)	0.843	MOL %	0.005
SOP	OXYGEN + ARGON	0.187	MOL %	0.005
SOP	PENTANE	0.345	MOL %	0.005
SOP	PROPANE	5.029	MOL %	0.005
SOP	SPECIFIC GRAVITY	0.736	No Unit

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