Facility Detail

COGIS - PIT INFORMATION

Insp

CHALK - #416929 Information

Status: AC - 2/22/2010

Facility ID:

416929

Facility Name/No:

CHALK / 31-13

Operator Name/No:

STRACHAN EXPLORATION INC/83130

Facility Status/Date:

AC / (2/22/2010)

County Name/No:

WELD / 123

Location:

SWSW 31 8N59W

Field Name/No:

CROW / 13600

Lat/Long:

40.611817 / -104.028682

Pit Use:

Offsite Disposal:

N/A

Existing Site Conditions

Sensitive Area:

Land Use:

CROP LAND

Dist. to Surface Water:

Depth to Ground Water:

250 ft.

Dist. to Water Wells:

1475 ft.

Pit Design and Construction Data

Size of Pit (feet):

Depth:

10 ft. ft.

Length:

15 ft.

Width:

12 ft.

Calc. PIT Capacity (bbls/day): 320

Daily Disposal Rates (bbls/day)

Evap:

0.4

Perc:

192

Pit Type:

UnLined

Liner Material:

Thickness:

Treatment Method:

Pit Covering Fence:

FENCED

Net:

NETTED

Comment:

Changed status 11/14/2013.

Rule 909.j Inspection Information

Form 43 Document #	Pit Inspection Date	Unlined	Lined	Fenced	Netted
402816760	08/25/2021	X			X

Rule 909.j Sample Data

Form 43 Doc#: 402816760 Facility ID: 413306 API#: 123-30654 Oil/Gas Well Name: CHALK 31-13
Sample ID: 635746 Sample Date: 08/25/2021 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Origins

Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E200.8	BARIUM	0.673	mg/L	0.00067
E200.8	BORON	19.7	mg/L	0.52
E200.8	CALCIUM	31.4	mg/L	0.08
E200.8	IRON	41.4	mg/L	0.033
E200.8	MAGNESIUM	2.03	mg/L	0.01
E200.8	MANGANESE	0.328	mg/L	0.001
E200.8	POTASSIUM	29.5	mg/L	0.08
E200.8	SELENIUM	0.00213	mg/L	0.002
E200.8	SODIUM	3920	mg/L	8
E200.8	STRONTIUM	4.79	mg/L	0.2
E365.4	PHOSPHORUS	0.0821	mg/L	0.02
E903.1	226RADIUM	13.3	pCi/L	0.272
E904.0	228RADIUM	41	pCi/L	2.38
SM2320B	BICARBONATE ALKALINITY as CACO3	779	mg/L	1.45
SM2320B	Carbonate as CaCO3	ND	mg/L	1.45	ND
SM2320B	TOTAL ALKALINITY AS CACO3	779	mg/L	1.45
SM2510B	SPECIFIC CONDUCTIVITY	17900	uS/cm
SM2540C	TOTAL DISSOLVED SOLIDS	11000	mg/L	5
SM2540D	TOTAL SUSPENDED SOLIDS	122	mg/L	5
SW8015	TEPH DIESEL RANGE ORGANICS	6.49	mg/L	5
SW8015	TEPH MOTOR OIL RANGE ORGANICS	ND	mg/L	10	ND
SW8260	BENZENE	7340	ug/L	50
SW8260	ETHYLBENZENE	380	ug/L	50
SW8260	NAPHTHALENE	144	ug/L	28
SW8260	TOLUENE	6380	ug/L	50
SW8260	TOTAL XYLENES	2660	ug/L	50
SW8260	TVPH - Gasoline Range Organics	44500	ug/L	5000
SW9040	PH, LAB	7.35	pH Units

COGIS

Facility Detail

COGIS - PIT INFORMATION

Form 43 Doc#: 402816760 Facility ID: 413306 API#: 123-30654 Oil/Gas Well Name: CHALK 31-13 Sample ID: 635746 Sample Date: 08/25/2021 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Origins

Form 43 Doc#: 402816760 Facility ID: 413306 API#: 123-30654 Oil/Gas Well Name: CHALK 31-13
Sample ID: 635746 Sample Date: 08/25/2021 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Origins