*** Primary Characterization Data ***

Pedon ID: 05ca08564186

( Santa Clara, California )

Print Date: Apr 12 2026 3:52AM

Sampled as on Oct 15, 2005:	Mouser ; Fine-loamy, mixed, superactive, mesic Pachic Ultic Argixeroll
Revised to correlated on Aug 13, 2007:	Mouser ; Fine-loamy, mixed, superactive, mesic Pachic Ultic Haploxerolls

				United States Department of Agriculture
SSL	-	Project	C2007USCA116   Santa Clara Area Soil Survey [641]	Natural Resources Conservation Service
	-	Site ID	05ca08564186   Lat: 37° 19' 11.51" north  Long: 122° 8' 44.21" west  MLRA: 15	National Soil Survey Center
	-	Pedon No.	07N0677	Kellogg Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
07N04132	Oi	Oi	0-5	S05CA085-86-1			SPM
07N04133	A1	A1	5-8	S05CA085-86-2			GR-SL	L
07N04134	A2	A2	8-25	S05CA085-86-3			GR-SL	L
07N04135	A3	A3	25-41	S05CA085-86-4			GR-SL	L
07N04136	Bt1	Bt1	41-70	S05CA085-86-5			GR-SL	L
07N04137	Bt2	Bt2	70-95	S05CA085-86-6			GR-SCL	L
07N04138	Bt3	Bt3	95-130	S05CA085-86-7			GR-SCL	L
07N04139	BCt	BCt	130-145	S05CA085-86-8			GRV-SCL	L

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Weighted Particles, 0.1-75mm, 75 mm Base	65	% wt
Volume, >2mm, Weighted Average	28	% vol
Clay, total, Weighted Average	25	% wt
Clay, carbonate free, Weighted Average	25	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 1	0.65	(NA)
Weighted averages based on control section: 41-91 cm

---

PSDA  &  Rock Fragments				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
					(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)					( Rock Fragments   (mm) )
				Lab	Clay	Silt	Sand	Fine	CO3	Fine	Coarse	VF	F	M	C	VC	(- - - - - - - - Weight - - - - - - - -)				>2 mm
				Text-	<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1	2	5	20	.1-	wt %
	Depth			ure	.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2	-5	-20	-75	75	whole
Layer	(cm)	Horz	Prep		(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)												(- - - - - - - % of <75mm - - - - - -)				soil
					3A1a1a			3A1a1a		3A1a1a		3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a
07N04132	0-5	Oi	S														12	16	15	--	43
07N04133	5-8	A1	S	l	22.1	33.4	44.5	5.7		22.3	11.1	3.7	4.7	8.0	13.8	14.3	13	15	27	73	55
07N04134	8-25	A2	S	l	22.9	30.4	46.7	3.6		20.8	9.6	3.8	4.7	8.3	15.9	14.0	10	10	33	73	53
07N04135	25-41	A3	S	l	23.1	31.7	45.2	3.5		22.7	9.0	3.3	4.6	7.8	13.4	16.1	10	4	32	69	46
07N04136	41-70	Bt1	S	l	25.2	31.7	43.1	5.6		21.0	10.7	3.5	5.4	8.5	13.1	12.6	10	6	25	64	41
07N04137	70-95	Bt2	S	l	24.6	34.8	40.6	6.3		22.3	12.5	4.2	5.7	8.5	12.5	9.7	8	3	37	67	48
07N04138	95-130	Bt3	S	l	21.8	34.5	43.7	5.6		21.8	12.7	4.4	6.3	9.3	13.5	10.2	10	13	34	74	57
07N04139	130-145	BCt	S	l	17.5	31.3	51.2	3.9		21.2	10.1	3.6	5.3	8.7	14.3	19.3	11	14	44	84	69

*** Primary Characterization Data ***

Pedon ID: 05ca08564186

( Santa Clara, California )

Print Date: Apr 12 2026 3:52AM

Sampled As	:	Mouser		Fine-loamy, mixed, superactive, mesic Pachic Ultic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0677

---

Bulk Density  &  Moisture				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(Bulk Density)		Cole	(- - - - - - - - - - - Water Content - - - - - - - - - - -)					( Air Dry-Oven Dry )		WRD	Aggst
				33	Oven	Whole	6	10	33	1500	1500 kPa	(- - - - Ratio - - - -)		Whole	Stabl	(- - Ratio/Clay - -)
	Depth			kPa	Dry	Soil	kPa	kPa	kPa	kPa	Moist		Corrected	Soil	2-0.5mm	CEC7	1500 kPa
Layer	(cm)	Horz	Prep	(- - - g cm-3 - - -)			(- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -)							cm3 cm-3	%
				DbWR1	DbWR1				DbWR1	3C2a1a		3D1
07N04132	0-5	Oi	S									1.093
07N04133	5-8	A1	S							24.9		1.053				1.72	1.13
07N04134	8-25	A2	S	1.11	1.17	0.012			26.8	15.5		1.043		0.08		1.36	0.68
07N04135	25-41	A3	S	1.24	1.33	0.017			26.8	13.1		1.032		0.12		1.01	0.57
07N04136	41-70	Bt1	S	1.22	1.26	0.008			28.5	11.9		1.025		0.15		0.66	0.47
07N04137	70-95	Bt2	S	1.41	1.48	0.011			20.7	11.6		1.024		0.09		0.62	0.47
07N04138	95-130	Bt3	S							9.7		1.022				0.67	0.44
07N04139	130-145	BCt	S							8.1		1.019				0.81	0.46

---

Water Content

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

(- - Atterberg - -)

(- - - - - Bulk Density - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)

(- - - Limits - - -)

Field

Recon

Recon

Field

Recon

(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)

LL

PI

33

Oven

33

6

10

33

100

200

500

Depth

kPa

Dry

kPa

kPa

kPa

kPa

kPa

kPa

kPa

Layer

(cm)

Horz

Prep

pct <0.4mm

(- - - - - - - - g cm-3 - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)

3C1e1a

07N04133

5-8

A1

S

29.9

07N04134

8-25

A2

S

23.4

07N04135

25-41

A3

S

21.0

07N04136

41-70

Bt1

S

18.7

07N04137

70-95

Bt2

S

17.8

07N04138

95-130

Bt3

S

15.7

07N04139

130-145

BCt

S

12.8

*** Primary Characterization Data ***

Pedon ID: 05ca08564186

( Santa Clara, California )

Print Date: Apr 12 2026 3:52AM

Sampled As	:	Mouser		Fine-loamy, mixed, superactive, mesic Pachic Ultic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0677

---

Carbon  &  Extractions				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-
				(- - - - - Total - - - - -)			Est	OC	C/N	(- - - Dith-Cit Ext - - -)			(- - - - - - Ammonium Oxalate Extraction - - - - - -)						(- - - Na Pyro-Phosphate - - -)
	Depth			C	N	S	OC	(WB)	Ratio	Fe	Al	Mn	Al+½Fe	ODOE	Fe	Al	Si	Mn	C	Fe	Al	Mn
Layer	(cm)	Horz	Prep	(- - - - - - - - - - % of <2 mm - - - - - - - - - -)						(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)								mg kg-1	(- - - - - - % of < 2mm - - - - -)
				4H2a	4H2a	4H2a				4G1	4G1	4G1		4G2	4G2	4G2	4G2	4G2
07N04132	0-5	Oi	S	29.22	1.21	0.05	29.2		24
07N04133	5-8	A1	S	12.72	0.71	0.04	12.7		18	2.5	0.4	0.2	0.62	0.30	0.55	0.35	0.02	1482.0
07N04134	8-25	A2	S	5.89	0.39	0.01	5.9		15	2.6	0.4	0.2	0.76	0.29	0.64	0.43	0.02	1735.7
07N04135	25-41	A3	S	3.72	0.26	0.01	3.7		14	2.6	0.4	0.2	0.70	0.16	0.60	0.40	0.02	1609.8
07N04136	41-70	Bt1	S	2.03	0.17	tr	2.0		12	2.7	0.4	0.2	0.67	0.11	0.57	0.39	0.02	1542.5
07N04137	70-95	Bt2	S	1.55	0.13	0.01	1.6		12	2.6	0.4	0.1	0.59	0.09	0.54	0.32	0.02	1239.5
07N04138	95-130	Bt3	S	1.05	0.11	tr	1.1		10	2.4	0.3	0.1	0.46	0.07	0.46	0.23	0.02	984.2
07N04139	130-145	BCt	S	0.84	0.10	--	0.8		8	2.3	0.2	0.1	0.33	0.05	0.36	0.15	0.01	708.3

---

CEC  &  Bases				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(- - - - - - NH4OAC Extractable Bases - - - - -)								CEC8	CEC7	ECEC		(- - - - Base - - - -)
								Sum	Acid-	Extr	KCl	Sum	NH4	Bases	Al	(- Saturation -)
	Depth			Ca	Mg	Na	K	Bases	ity	Al	Mn	Cats	OAC	+Al	Sat	Sum	NH4OAC
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)							mg kg-1	(- - - - cmol(+) kg-1 - - -)			(- - - - - - - - % - - - - - - - -)
				4B1a1a	4B1a1a	4B1a1a	4B1a1a		4B2b1a1				4B1a1a
07N04132	0-5	Oi	S						65.7
07N04133	5-8	A1	S	24.7	3.0	0.1	1.1	28.9	31.2			60.1	38.1			48	76
07N04134	8-25	A2	S	20.7	2.8	0.1	0.9	24.5	22.5			47.0	31.1			52	79
07N04135	25-41	A3	S	11.9	2.6	tr	0.5	15.0	21.2			36.2	23.4			41	64
07N04136	41-70	Bt1	S	5.0	2.0	0.1	0.4	7.5	19.8			27.3	16.7			27	45
07N04137	70-95	Bt2	S	4.1	2.1	0.1	0.4	6.7	18.9			25.6	15.3			26	44
07N04138	95-130	Bt3	S	3.4	2.7	tr	0.3	6.4	16.5			22.9	14.5			28	44
07N04139	130-145	BCt	S	4.5	3.4	0.1	0.2	8.2	12.4			20.6	14.2			40	58

*** Primary Characterization Data ***

Pedon ID: 05ca08564186

( Santa Clara, California )

Print Date: Apr 12 2026 3:52AM

Sampled As	:	Mouser		Fine-loamy, mixed, superactive, mesic Pachic Ultic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0677

---

Salt

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

-19-

-20-

(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)

1:2

Total

Elec

Elec

Exch

Depth

Ca

Mg

Na

K

CO3

HCO3

F

Cl

PO4

Br

OAC

SO4

NO2

NO3

H2O

Salts

Cond

Cond

Na

SAR

Layer

(cm)

Horz

Prep

(- - - - - mmol(+) L-1 - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)

(- - - - % - - - -)

(- - dS m-1 - -)

%

4F1a1a1

07N04133

5-8

A1

S

0.16

tr

07N04134

8-25

A2

S

0.08

tr

07N04135

25-41

A3

S

0.04

tr

07N04136

41-70

Bt1

S

0.02

tr

07N04137

70-95

Bt2

S

0.02

tr

07N04138

95-130

Bt3

S

0.02

tr

07N04139

130-145

BCt

S

0.02

tr

---

pH  &  Carbonates

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)

(- - Carbonate - -)

(- - Gypsum - - -)

CaCl2

As CaCO3

As CaSO4*2H2O

Resist

Depth

0.01M

H2O

Sat

<2mm

<20mm

<2mm

<20mm

ohms

Layer

(cm)

Horz

Prep

KCl

1:2

1:1

Paste

Oxid

NaF

(- - - - - - - - - - - - % - - - - - - - - - - -)

cm-1

4C1a2a

4C1a2a

07N04133

5-8

A1

S

5.4

5.9

07N04134

8-25

A2

S

5.6

6.3

07N04135

25-41

A3

S

5.4

6.0

07N04136

41-70

Bt1

S

5.0

6.1

07N04137

70-95

Bt2

S

5.0

5.9

07N04138

95-130

Bt3

S

4.8

5.8

07N04139

130-145

BCt

S

4.9

5.7

*** Primary Characterization Data ***

Pedon ID: 05ca08564186

( Santa Clara, California )

Print Date: Apr 12 2026 3:52AM

Sampled As	:	Mouser		Fine-loamy, mixed, superactive, mesic Pachic Ultic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0677

---

Organic				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-
				Mineral	OM	OM+	(- Total -)			Fiber Content		NaPyro	Decomp	Limnic	(- - pH - -)		(- - Bulk Density - -)			Proj
	Depth			Content	TC*1.724	Min	C	N	C/N	Unrub	Rub	Color	State	Matter	CaCl2	H2O	33 kPa	33 kPa rewet	OD	Subs
Layer	(cm)	Horz	Prep	(- - - - - - - - % - - - - - - - -)					ratio	% (by vol)								g cm-3		cm cm-1
				5A			4H2a	4H2a								4C1a2a
07N04132	0-5	Oi	S	49	50	115	29.22	1.21	24											29
07N04132	0-5	Oi	MW	65
07N04133	5-8	A1	S				12.72	0.71	18							5.9				40
07N04134	8-25	A2	S				5.89	0.39	15							6.3				32
07N04135	25-41	A3	S				3.72	0.26	14							6.0				28
07N04136	41-70	Bt1	S				2.03	0.17	12							6.1				25
07N04137	70-95	Bt2	S				1.55	0.13	12							5.9				32
07N04138	95-130	Bt3	S				1.05	0.11	10							5.8				42
07N04139	130-145	BCt	S				0.84	0.10	8							5.7				55

---

Phosphorous

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorous - - - - - - - - - - - - - - - - - - - - -)

KCl

Melanic

NZ

Acid

Anion Exch Resin

Bray

Bray

Olsen

H2O

Citric

Mehlich

Extr

Depth

Index

Oxal

Available

Capacity

1

2

Acid

III

NO3

Layer

(cm)

Horz

Prep

%

(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)

4G2

07N04133

5-8

A1

S

897.3

07N04134

8-25

A2

S

1013.5

07N04135

25-41

A3

S

635.4

07N04136

41-70

Bt1

S

526.0

07N04137

70-95

Bt2

S

564.5

07N04138

95-130

Bt3

S

398.6

07N04139

130-145

BCt

S

249.2

*** Primary Characterization Data ***

Pedon ID: 05ca08564186

( Santa Clara, California )

Print Date: Apr 12 2026 3:52AM

Sampled As	:	Mouser		Fine-loamy, mixed, superactive, mesic Pachic Ultic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0677

---

Clay Mineralogy (<.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A1a1

tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

(- - - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)

mg g-1

07N04136

41.0-70.0

Bt1

tcly

MI 2

KK 2

CL 2

CMIX

07N04137

70.0-95.0

Bt2

tcly

MI 2

CL 2

KK 2

CMIX

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CL Chlorite	KK Kaolinite	MI Mica

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

INTERPRETATION (BY HORIZON):
CMIX - Mixed Clay

*** Primary Characterization Data ***

Pedon ID: 05ca08564186

( Santa Clara, California )

Print Date: Apr 12 2026 3:52AM

Sampled As	:	Mouser		Fine-loamy, mixed, superactive, mesic Pachic Ultic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0677

---

Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

7B1a2

tion

Layer

(cm)

Horz

ion

( - - - - - - - - peak size - - - - - - - - - )

(- - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -)

mg g-1

07N04136

41.0-70.0

Bt1

csi

62

QZ 56

FK 27

AR 7

FE 3

CD 2

MS 2

SMIX

OP 1

PR 1

HN 1

ZR tr

BT tr

BY tr

FP tr

GN tr

GS tr

07N04137

70.0-95.0

Bt2

csi

71

QZ 63

FK 19

FE 6

AR 5

BT 3

CD 2

SMIX

GS 1

MS 1

PO tr

PR tr

HN tr

GN tr

TM tr

ZR tr

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mm

MINERAL INTERPRETATION:
AR Weatherable Aggregates	BT Biotite	BY Beryl	CD Chert (Chalcedony	FE Iron Oxides (Goethite
FK Potassium Feldspar	FP Plagioclase Feldspar	GN Garnet	GS Glass	HN Hornblende
MS Muscovite	OP Opaques	PO Plant Opal	PR Pyroxene	QZ Quartz
TM Tourmaline	ZR Zircon

INTERPRETATION (BY HORIZON):
SMIX - Mixed Sand