NOAA Global Monitoring Laboratory

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Walnut Grove, California, United States [WGC]

Location

Country: United States
Latitude: 38.2645° North
Longitude: 121.4904° West
Elevation: 2.00 masl
Time Zone: Local Standard Time + 8.0 hour(s) = UTC

Data

Cooperating Agencies

Lawrence Berkeley National Laboratory
DOE Environmental Energy Technologies Division at Lawrence Berkeley National Laboratory
KalScott Engineering

GML Projects at Walnut Grove, California

Carbon Cycle Surface Flasks

Parameter	Formula	First Sample Date	Status
Carbon Dioxide	CO₂	2007-09-20	Ongoing
Methane	CH₄	2007-09-20	Ongoing
Carbon Monoxide	CO	2007-09-20	Ongoing
Molecular Hydrogen	H₂	2007-09-20	Ongoing
Nitrous Oxide	N₂O	2007-09-20	Ongoing
Sulfur Hexafluoride	SF₆	2015-01-26	Ongoing
Sulfur Hexafluoride	SF₆	2007-09-20	Ongoing
Carbon-13/Carbon-12 in Carbon Dioxide	d¹³C (CO₂)	2007-09-20	Ongoing
Oxygen-18/Oxygen-16 in Carbon Dioxide	d¹⁸O (CO₂)	2007-09-20	Ongoing
Carbon-13/Carbon-12 in Methane	d¹³C (CH₄)	2008-01-08	Terminated - 2009-02-24
Carbon-14/Carbon in Carbon Dioxide	D¹⁴C (CO²)	2009-02-24	Ongoing
HFC-134a	CH₂FCF₃	2007-09-20	Ongoing
HCFC-22	CHF₂Cl	2007-09-20	Ongoing
CFC-12	CCl₂F₂	2007-09-20	Ongoing
Methyl Chloride	CH₃Cl	2007-09-20	Ongoing
CFC-114	CFC-114	2007-09-20	Ongoing
HCFC-142b	CH₃CF₂Cl	2007-09-20	Ongoing
Halon-1211	CBrClF₂	2007-09-20	Ongoing
Methyl Bromide	CH₃Br	2007-09-20	Ongoing
CFC-11	CCl₃F (ion 101)	2007-09-20	Terminated - 2015-12-05
CFC-11	CCl₃F (ion 103)	2010-08-27	Ongoing
HCFC-141b	CH₃CCl₂F	2007-09-20	Ongoing
Methyl Iodide	CH₃I	2007-09-20	Ongoing
CFC-113	CCl₂FCClF₂	2007-09-20	Ongoing
Dichloromethane	CH₂Cl₂	2007-09-20	Ongoing
Chloroform	CHCl₃	2007-09-20	Ongoing
Methyl Chloroform (97)	CH₃CCl₃	2007-09-20	Ongoing
Methyl Chloroform (99)	CH₃CCl₃	2010-08-27	Terminated - 2010-11-21
Carbon Tetrachloride	CCl₄	2007-09-20	Ongoing
Methelyne Bromide	CH₂Br₂	2007-09-20	Ongoing
Perchloroethylene (PCE)	C₂Cl₄	2007-09-20	Ongoing
Bromoform	CHBr₃	2007-09-20	Ongoing
Benzene	C₆H₆	2007-09-20	Ongoing
Carbonyl Sulfide	COS	2007-09-20	Ongoing
HCFC-21	CHCl₂F	2015-09-16	Ongoing
HFC-152a	CH₃CHF₂	2007-09-20	Ongoing
HCFC-124	CHClFCF₃	2007-09-20	Ongoing
Methylbenzene	C₇H₈	2015-01-26	Ongoing
Carbon Disulfide	CS₂	2007-09-20	Ongoing
Ethane	C₂H₆	2015-01-26	Ongoing
Ethylene	C₂H₄	2015-01-26	Ongoing
Propane	C₃H₈	2007-09-20	Ongoing
Propylene	C₃H₆	2015-01-26	Ongoing
Isobutane	i-C₄H₁₀	2015-01-26	Ongoing
n-Butane	n-C₄H₁₀	2007-09-20	Ongoing
isopentane	i-C₅H₁₂	2007-09-20	Ongoing
n-Pentane	n-C₅H₁₂	2007-09-20	Ongoing
n-Hexane	n-C₆H₁₄	2015-01-26	Ongoing
Halon-1301	CF₃Br	2007-09-20	Ongoing
Halon-2402	CBrF₂CBrF₂	2007-09-20	Ongoing
HFC-143a	CH₃CF₃	2007-09-20	Ongoing
HFC-227ea	CF₃CHFCF₃	2007-09-20	Ongoing
HFC-365mfc	CH₃CF₂CH₂CF₃	2007-09-20	Ongoing
CFC-115	CClF₂CF₃	2007-09-20	Ongoing
HFC-125	CHF₂CF₃	2007-09-20	Ongoing
CFC-13	CClF₃	2007-09-20	Ongoing
Ethyl Chloride	CH₃CH₂Cl	2007-09-20	Terminated - 2015-04-25
HFC-23	CHF₃	2007-09-20	Ongoing
PFC-218	C₃F₈	2007-09-20	Ongoing
Acetylene	C₂H₂	2007-09-20	Ongoing
HFC-32	CH₂F₂	2009-03-19	Ongoing
HFC-134	CHF₂CHF₂	2009-03-19	Ongoing
Halon-1011	CH₂BrCl	2015-01-26	Ongoing
Methyl Chloroform (61)	CH₃CCl₃	2013-12-09	Terminated - 2015-04-25
PFC-14	CF₄	2015-01-26	Ongoing
PFC-116	CF₃CF₃	2015-01-26	Ongoing
Trifluoroamine	NF₃	2015-09-16	Ongoing
Sulfuryl Fluoride	SO₂F₂	2015-09-16	Ongoing
HFC-236fa	CF₃CH₂CF₃	2015-01-26	Ongoing
HCFC-133a	CH₂ClCF₃	2015-01-26	Ongoing
CFC-112	CCl₃CClF₂	2015-01-26	Ongoing
Trichloroethylene (TCE)	C₂HCl₃	2015-01-26	Ongoing
HFO-1234yf	CH₂=CFCF₃	2016-09-13	Ongoing
HFC-1234zeE	CHF=CHCF₃	2016-09-13	Ongoing
ethylene dichloride (1,2 DCE)	CH₂ClCH₂Cl	2017-12-23	Ongoing
HCFC-123	CHCl₂CF₃	2017-12-23	Ongoing
Morpholine	C₅F₁₁NO	2017-11-23	Ongoing
Perfluorotriethylamine (PFTEA)	(C₂F₅)₃N	2017-11-23	Ongoing
Perfluorotripropylamine (PFTPA)	(C₃F₇)₃N	2017-11-23	Ongoing
HFC-245fa		2022-06-12	Ongoing

Carbon Cycle Airborne Flasks

Parameter	Formula	First Sample Date	Status
Carbon Dioxide	CO₂	2008-05-23	Terminated - 2009-03-08
Methane	CH₄	2008-05-23	Terminated - 2009-03-08
Carbon Monoxide	CO	2008-05-23	Terminated - 2009-03-08
Molecular Hydrogen	H₂	2008-05-23	Terminated - 2009-03-08
Nitrous Oxide	N₂O	2008-05-23	Terminated - 2009-03-08
Sulfur Hexafluoride	SF₆	2008-05-23	Terminated - 2009-03-08
Carbon-13/Carbon-12 in Carbon Dioxide	d¹³C (CO₂)	2008-06-18	Terminated - 2009-03-08
Oxygen-18/Oxygen-16 in Carbon Dioxide	d¹⁸O (CO₂)	2008-06-18	Terminated - 2009-03-08
Carbon-14/Carbon in Carbon Dioxide	D¹⁴C (CO²)	2009-02-25	Terminated - 2009-03-07
HFC-134a	CH₂FCF₃	2008-05-23	Terminated - 2009-03-08
HCFC-22	CHF₂Cl	2008-05-23	Terminated - 2009-03-08
CFC-12	CCl₂F₂	2008-05-23	Terminated - 2009-03-08
Methyl Chloride	CH₃Cl	2008-05-23	Terminated - 2009-03-08
CFC-114	CFC-114	2008-05-23	Terminated - 2009-03-08
HCFC-142b	CH₃CF₂Cl	2008-05-23	Terminated - 2009-03-08
Halon-1211	CBrClF₂	2008-05-23	Terminated - 2009-03-08
Methyl Bromide	CH₃Br	2008-05-23	Terminated - 2009-03-08
CFC-11	CCl₃F (ion 101)	2008-05-23	Terminated - 2009-03-08
HCFC-141b	CH₃CCl₂F	2008-05-23	Terminated - 2009-03-08
Methyl Iodide	CH₃I	2008-05-23	Terminated - 2009-03-08
CFC-113	CCl₂FCClF₂	2008-05-23	Terminated - 2009-03-08
Dichloromethane	CH₂Cl₂	2008-05-23	Terminated - 2009-03-08
Chloroform	CHCl₃	2008-05-23	Terminated - 2009-03-08
Methyl Chloroform (97)	CH₃CCl₃	2008-05-23	Terminated - 2009-03-08
Carbon Tetrachloride	CCl₄	2008-05-23	Terminated - 2009-03-08
Methelyne Bromide	CH₂Br₂	2008-05-23	Terminated - 2009-03-08
Perchloroethylene (PCE)	C₂Cl₄	2008-05-23	Terminated - 2009-03-08
Bromoform	CHBr₃	2008-05-23	Terminated - 2009-03-08
Benzene	C₆H₆	2008-05-23	Terminated - 2009-03-08
Carbonyl Sulfide	COS	2008-05-23	Terminated - 2009-03-08
HFC-152a	CH₃CHF₂	2008-05-23	Terminated - 2009-03-08
HCFC-124	CHClFCF₃	2008-05-23	Terminated - 2009-03-08
Methylbenzene	C₇H₈	2008-05-23	Terminated - 2008-06-23
Carbon Disulfide	CS₂	2008-05-23	Terminated - 2009-03-08
Propane	C₃H₈	2008-05-23	Terminated - 2009-03-08
n-Butane	n-C₄H₁₀	2008-05-23	Terminated - 2009-03-08
isopentane	i-C₅H₁₂	2008-05-23	Terminated - 2009-03-08
n-Pentane	n-C₅H₁₂	2008-05-23	Terminated - 2009-03-08
Ambient Pressure	press	2008-05-23	Terminated - 2009-03-08
Relative Humidity	rh	2008-05-23	Terminated - 2009-03-08
Halon-1301	CF₃Br	2008-05-23	Terminated - 2009-03-08
Halon-2402	CBrF₂CBrF₂	2008-05-23	Terminated - 2009-03-08
HFC-143a	CH₃CF₃	2008-05-23	Terminated - 2009-03-08
HFC-227ea	CF₃CHFCF₃	2008-05-23	Terminated - 2009-03-08
HFC-365mfc	CH₃CF₂CH₂CF₃	2008-05-23	Terminated - 2009-03-08
CFC-115	CClF₂CF₃	2008-05-23	Terminated - 2009-03-08
HFC-125	CHF₂CF₃	2008-05-23	Terminated - 2009-03-08
CFC-13	CClF₃	2008-05-23	Terminated - 2009-03-08
Ethyl Chloride	CH₃CH₂Cl	2008-05-23	Terminated - 2009-03-08
HFC-23	CHF₃	2008-05-23	Terminated - 2009-03-08
PFC-218	C₃F₈	2008-05-23	Terminated - 2009-03-08
Acetylene	C₂H₂	2008-05-23	Terminated - 2009-03-08

Carbon Cycle In Situ Tall Tower

Parameter	Formula	First Sample Date	Status
Carbon Dioxide	CO₂	2007-08-25	Ongoing
Methane	CH₄	2007-09-11	Ongoing
Carbon Monoxide	CO	2007-08-25	Ongoing

Trace gases from GGGRN Airborne Flasks