Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	CO0130100
PWS Name	MOUNTAIN WSD
PWS Type	Community water system
Owner Type	Local government
Primary Source	Groundwater under influence of surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	1941
County Served	Jefferson

The tables below list all violations that the state reported to EPA for this water system. Health-based violations are listed first, followed by treatment technique, MRDL, monitoring, reporting, and other violations.

Health-based	Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.
Maximum Contaminant Level or MCL	The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Treatment Technique	A required process intended to reduce the level of a contaminant in drinking water.
Maximum residual disinfectant level or MRDL	The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Monitoring & reporting	Failure to conduct regular monitoring of drinking water quality, as required by SDWA, or to submit monitoring results in a timely fashion to the primacy agency or EPA.
Public notification & other	Failure to provide notification to the public as required by the Violations of Public Notification Rule and the Consumer Confidence Report Rule, and violations of other requirements such as those violations related to variances and exemptions.

Violations

Violation Category Code	Violation Type Description	Rule Name	Contaminant Name	Violation ID	Compliance Status Description	Compliance Period Begin Date	Compliance Period End Date	Is Health Based Ind
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	9139	Returned to Compliance	01-JUL-2025	-	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	9137	Returned to Compliance	01-OCT-2024	31-OCT-2024	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	9138	Returned to Compliance	01-OCT-2024	31-OCT-2024	No
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	9136	Returned to Compliance	01-MAY-2024	31-MAY-2024	Yes
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	9134	Returned to Compliance	01-DEC-2020	31-DEC-2020	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	9130	Returned to Compliance	01-MAY-2013	31-MAY-2013	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	9131	Returned to Compliance	01-APR-2013	30-JUN-2013	No
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Uranium	9129	Returned to Compliance	01-JAN-2011	31-DEC-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Uranium	9128	Returned to Compliance	01-OCT-2010	31-DEC-2010	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Uranium	9126	Returned to Compliance	01-JAN-2010	31-DEC-2010	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	9116	Returned to Compliance	01-JAN-2009	31-DEC-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Uranium	9118	Returned to Compliance	01-JAN-2009	31-DEC-2009	Yes
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	9121	Returned to Compliance	01-JAN-2009	31-DEC-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	9123	Returned to Compliance	01-JAN-2009	31-DEC-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	9125	Returned to Compliance	01-JAN-2009	31-DEC-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	9122	Returned to Compliance	01-JAN-2009	31-DEC-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	9124	Returned to Compliance	01-JAN-2009	31-DEC-2009	No
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	9114	Returned to Compliance	01-JAN-2008	31-DEC-2008	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Uranium	9115	Returned to Compliance	01-JAN-2008	31-DEC-2008	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Uranium	8808	Returned to Compliance	01-JAN-2007	31-DEC-2007	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	9108	Returned to Compliance	01-JAN-2007	31-DEC-2007	Yes
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	5807	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	4507	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	4407	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	8507	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	6407	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	8407	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	6307	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	8307	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	6207	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	6107	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	8207	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	8107	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	6007	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	8007	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	5907	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	6507	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	7907	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	7807	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	5707	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	7707	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	5607	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	7607	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	5507	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	7507	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	5407	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	5307	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	7407	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	7307	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	5207	Returned to Compliance	01-JAN-2007	31-MAR-2007	No

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Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
3485	9139	SOX	State Compliance achieved	15-JUL-2025	State	-
3479	9137	SIE	State Public Notification requested	14-NOV-2024	State	-
3482	9138	SIE	State Public Notification requested	14-NOV-2024	State	-
3476	9136	SIF	State Public Notification received	24-JUL-2024	State	-
3470	9134	SOX	State Compliance achieved	09-FEB-2021	State	-
3463	9130	SIF	State Public Notification received	30-AUG-2013	State	-
3463	9131	SIF	State Public Notification received	30-AUG-2013	State	-
3464	9129	SOX	State Compliance achieved	23-MAY-2013	State	-
3464	9128	SOX	State Compliance achieved	23-MAY-2013	State	-
3464	9126	SOX	State Compliance achieved	23-MAY-2013	State	-
3464	9118	SOX	State Compliance achieved	23-MAY-2013	State	-
3464	9116	SOX	State Compliance achieved	23-MAY-2013	State	-
3464	9115	SOX	State Compliance achieved	23-MAY-2013	State	-
3464	9114	SOX	State Compliance achieved	23-MAY-2013	State	-
3464	9108	SOX	State Compliance achieved	23-MAY-2013	State	-
3464	8808	SOX	State Compliance achieved	23-MAY-2013	State	-
3464	1705	SOX	State Compliance achieved	23-MAY-2013	State	-
3464	1605	SOX	State Compliance achieved	23-MAY-2013	State	-
3448	9121	SOX	State Compliance achieved	18-JUN-2010	State	-
3448	9125	SOX	State Compliance achieved	18-JUN-2010	State	-
3448	9124	SOX	State Compliance achieved	18-JUN-2010	State	-
3448	9123	SOX	State Compliance achieved	18-JUN-2010	State	-
3448	9122	SOX	State Compliance achieved	18-JUN-2010	State	-
2907	6107	SOX	State Compliance achieved	30-APR-2007	State	-
2907	6207	SOX	State Compliance achieved	30-APR-2007	State	-
2907	6307	SOX	State Compliance achieved	30-APR-2007	State	-
2907	6407	SOX	State Compliance achieved	30-APR-2007	State	-
2907	6507	SOX	State Compliance achieved	30-APR-2007	State	-
2907	6607	SOX	State Compliance achieved	30-APR-2007	State	-
2907	6707	SOX	State Compliance achieved	30-APR-2007	State	-
2907	6807	SOX	State Compliance achieved	30-APR-2007	State	-
2907	6907	SOX	State Compliance achieved	30-APR-2007	State	-
2907	7007	SOX	State Compliance achieved	30-APR-2007	State	-
2907	7107	SOX	State Compliance achieved	30-APR-2007	State	-
2907	7207	SOX	State Compliance achieved	30-APR-2007	State	-
2907	7307	SOX	State Compliance achieved	30-APR-2007	State	-
2907	7407	SOX	State Compliance achieved	30-APR-2007	State	-
2907	7507	SOX	State Compliance achieved	30-APR-2007	State	-
2907	7607	SOX	State Compliance achieved	30-APR-2007	State	-
2907	7707	SOX	State Compliance achieved	30-APR-2007	State	-
2907	7807	SOX	State Compliance achieved	30-APR-2007	State	-
2907	7907	SOX	State Compliance achieved	30-APR-2007	State	-
2907	8007	SOX	State Compliance achieved	30-APR-2007	State	-
2907	8107	SOX	State Compliance achieved	30-APR-2007	State	-
2907	8207	SOX	State Compliance achieved	30-APR-2007	State	-
2907	8307	SOX	State Compliance achieved	30-APR-2007	State	-
2907	8407	SOX	State Compliance achieved	30-APR-2007	State	-
2907	8507	SOX	State Compliance achieved	30-APR-2007	State	-
2907	4407	SOX	State Compliance achieved	30-APR-2007	State	-
2907	5507	SOX	State Compliance achieved	30-APR-2007	State	-

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WELL 17-1	2566	Yes	Well	Ground water	Emergency	Active
WELL 62-2	2569	Yes	Well	Ground water	Permanent	Inactive
WELL 28-1	2567	Yes	Well	Ground water	Permanent	Inactive
WELL 137-5	13752	Yes	Well	Ground water	Permanent	Inactive
WELL 123-5	2571	Yes	Well	Ground water	Permanent	Active
WELL 121-5	2570	Yes	Well	Ground water	Permanent	Active
WELL TRACT C	2565	Yes	Well	Ground water	Permanent	Active
WELL SKV	2564	Yes	Well	Ground water	Permanent	Active
WELL TRACT A B	2563	Yes	Well	Ground water	Permanent	Active
WELL KVS	2562	Yes	Well	Ground water	Permanent	Active
WELL 17-5	2561	Yes	Well	Ground water	Permanent	Active
WELL 21-A	2560	Yes	Well	Ground water	Permanent	Active
WELL SA-3	2559	Yes	Well	Ground water	Permanent	Active
WELL SA-2	2558	Yes	Well	Ground water	Permanent	Active
WELL 26-6	16163	Yes	Well	Ground water	Permanent	Active
WELL 5-1	13758	Yes	Well	Ground water	Permanent	Active
WELL TRACT A	13751	Yes	Well	Ground water	Permanent	Active
WELL 38-1	13543	Yes	Well	Ground water	Permanent	Active
WELL SA-1	2557	Yes	Well	Ground water under the influence of surface water	Permanent	Active
WELL 5-2	13756	Yes	Well	Ground water under the influence of surface water	Permanent	Active
WELL 43-5	2568	Yes	Well	Ground water	Emergency	Inactive
WELL 134-5	16164	Yes	Well	Ground water	Emergency	Inactive
WELL SPRING NO 1	2556	Yes	Well	Ground water under the influence of surface water	Emergency	Inactive
DISTRIBUTION SYSTEM	6856	No	Distribution System/Zone	-	-	Active
TANK NO 1	1208	No	Storage	-	-	Active
TANK NO 2	13508	No	Storage	-	-	Active
TREATMENT FOR 38-1 WELL	13544	No	Treatment Plant	-	-	Active
CARTRIDGE FILTERS FOR 17-5 WELL	13754	No	Treatment Plant	-	-	Active
CARTRIDGE FILTERS FOR SA-3 WELL	13757	No	Treatment Plant	-	-	Active
TREATMENT FOR 26-6 WELL	16165	No	Treatment Plant	-	-	Active
TREATMENT FOR 134-5 WELL	16166	No	Treatment Plant	-	-	Active
CLORINATOR FOR SKV WELL	20580	No	Treatment Plant	-	-	Active
URANIUM REMOVAL PLANT	20581	No	Treatment Plant	-	-	Active
TREATMENT FOR TRACT C WELL	4015	No	Treatment Plant	-	-	Active
TREATMENT FOR 21 A WELL	4016	No	Treatment Plant	-	-	Active
TREATMENT PLANT FOR SKV AND KVS WELLS	4017	No	Treatment Plant	-	-	Active
TREATMENT PLANT TRACT A TRACT A B WELLS	4018	No	Treatment Plant	-	-	Active
TREATMENT FOR 17-1 WELL	4019	No	Treatment Plant	-	-	Active
TREATMENT FOR 137-5 WELL	13753	No	Treatment Plant	-	-	Inactive
CARTRIDGE FILTERS FOR SA-1 WELL	13755	No	Treatment Plant	-	-	Inactive
TREATMENT FOR 121-5 WELL	13759	No	Treatment Plant	-	-	Inactive
CARTRIDGE FILTERS FOR TRACT A WELL	13760	No	Treatment Plant	-	-	Inactive
CARTRIDGE FILTERS FOR TRACT A B WELL	13761	No	Treatment Plant	-	-	Inactive
CARTRIDGE FILTERS FOR SA-2 WELL	4009	No	Treatment Plant	-	-	Inactive
TREATMENT FOR SPRING	4013	No	Treatment Plant	-	-	Inactive
CHLORINATOR FOR 43-5 WELL EMERGENCY	4020	No	Treatment Plant	-	-	Inactive
TREATMENT FOR 62-6 WELL	4021	No	Treatment Plant	-	-	Inactive
TREATMENT FOR 123-5 WELL	4022	No	Treatment Plant	-	-	Inactive

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Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT FOR 38-1 WELL	13544	Hypochlorination, Post	Disinfection
TREATMENT FOR 38-1 WELL	13544	Innovative	Particulate removal
TREATMENT FOR 38-1 WELL	13544	Innovative	Disinfection
CARTRIDGE FILTERS FOR 17-5 WELL	13754	Innovative	Particulate removal
CARTRIDGE FILTERS FOR SA-1 WELL	13755	Innovative	Particulate removal
CARTRIDGE FILTERS FOR SA-1 WELL	13755	Innovative	Particulate removal
CARTRIDGE FILTERS FOR SA-3 WELL	13757	Innovative	Particulate removal
TREATMENT FOR 121-5 WELL	13759	Innovative	Particulate removal
TREATMENT FOR 121-5 WELL	13759	Hypochlorination, Post	Disinfection
TREATMENT FOR 121-5 WELL	13759	Innovative	Particulate removal
CARTRIDGE FILTERS FOR TRACT A WELL	13760	Innovative	Particulate removal
CARTRIDGE FILTERS FOR TRACT A WELL	13760	Innovative	Particulate removal
CARTRIDGE FILTERS FOR TRACT A B WELL	13761	Innovative	Particulate removal
TREATMENT FOR 26-6 WELL	16165	Hypochlorination, Post	Disinfection
TREATMENT FOR 26-6 WELL	16165	Innovative	Disinfection
TREATMENT FOR 26-6 WELL	16165	Innovative	Particulate removal
TREATMENT FOR 134-5 WELL	16166	Hypochlorination, Post	Disinfection
TREATMENT FOR 134-5 WELL	16166	Innovative	Particulate removal
TREATMENT FOR 134-5 WELL	16166	Innovative	Disinfection
TREATMENT FOR 134-5 WELL	16166	Innovative	Particulate removal
CLORINATOR FOR SKV WELL	20580	Hypochlorination, Post	Disinfection
URANIUM REMOVAL PLANT	20581	Filtration, Cartridge	Particulate removal
URANIUM REMOVAL PLANT	20581	Innovative	Particulate removal
URANIUM REMOVAL PLANT	20581	Hypochlorination, Post	Disinfection
URANIUM REMOVAL PLANT	20581	Innovative	Disinfection
URANIUM REMOVAL PLANT	20581	Innovative	Radionuclides removal
CARTRIDGE FILTERS FOR SA-2 WELL	4009	Innovative	Particulate removal
CARTRIDGE FILTERS FOR SA-2 WELL	4009	Innovative	Particulate removal
CARTRIDGE FILTERS FOR SA-2 WELL	4009	Hypochlorination, Post	Disinfection
TREATMENT FOR SPRING	4013	Filtration, Diatomaceous Earth	Particulate removal
TREATMENT FOR TRACT C WELL	4015	Hypochlorination, Post	Disinfection
TREATMENT FOR TRACT C WELL	4015	Innovative	Particulate removal
TREATMENT FOR TRACT C WELL	4015	Innovative	Disinfection
TREATMENT FOR 21 A WELL	4016	Hypochlorination, Post	Disinfection
TREATMENT FOR 21 A WELL	4016	Innovative	Particulate removal
TREATMENT FOR 21 A WELL	4016	Innovative	Disinfection
TREATMENT PLANT FOR SKV AND KVS WELLS	4017	Hypochlorination, Post	Disinfection
TREATMENT PLANT FOR SKV AND KVS WELLS	4017	Innovative	Disinfection
TREATMENT PLANT FOR SKV AND KVS WELLS	4017	Innovative	Particulate removal
TREATMENT PLANT TRACT A TRACT A B WELLS	4018	Hypochlorination, Post	Disinfection
TREATMENT PLANT TRACT A TRACT A B WELLS	4018	Innovative	Particulate removal
TREATMENT PLANT TRACT A TRACT A B WELLS	4018	Innovative	Disinfection
TREATMENT FOR 17-1 WELL	4019	Hypochlorination, Post	Disinfection
TREATMENT FOR 17-1 WELL	4019	Innovative	Particulate removal
TREATMENT FOR 17-1 WELL	4019	Filtration, Cartridge	Particulate removal
TREATMENT FOR 17-1 WELL	4019	Innovative	Disinfection
TREATMENT FOR 123-5 WELL	4022	Innovative	Particulate removal
TREATMENT FOR 123-5 WELL	4022	Hypochlorination, Post	Disinfection
TREATMENT FOR 123-5 WELL	4022	Innovative	Particulate removal

1 - 49 of 49

For more information on a Water System:
Ask the operators of your water system, contact your primacy agency or file a Freedom of Information Act (FOIA) request.
Drinking water in general: Find out more about your drinking water web site or call the Safe Drinking Water Hotline (1-800-426-4791). EPA has also prepared a table about various regulated drinking water contaminants.
Tools for accessing EPA drinking water data: Safe Drinking Water Information System (SDWIS) Federal Reporting Services and Drinking Water Performance and Results Report.
Research Data: As well as monitoring the levels of drinking water contaminants for which EPA has set standards, EPA, states, and water systems also carry out studies of contaminants that may need to be regulated in the future. For more information about these contaminants, please see the National Contaminant Occurrence Database.

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