*** Primary Characterization Data ***

Pedon ID: S1985MD031002

( Montgomery, Maryland )

Print Date: Nov 22 2024 12:02PM

Sampled as :	Beltsville
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP86NL050   SOIL MUSEUM	Natural Resources Conservation Service
	-	Site ID	S1985MD031002   Lat: 39° 3' 31.35" north  Long: 76° 57' 29.92" west  MLRA: 149A	National Soil Survey Center
	-	Pedon No.	86P0168	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
86P01037	Ap1	Ap1	0-10				SIL	SIL
86P01038	Ap2	Ap2	10-28				SIL	SIL
86P01039	Bt	Bt	28-44				SIL	L
86P01040	Btx1	Btx1	44-54				SICL	L
86P01041	Btx2	Btx2	54-79				CL	L
86P01042	Btx3	Btx3	79-103				CL	CL
86P01043	Btx4	Btx4	103-143				CL	CL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.36	(NA)
Clay, carbonate free, Weighted Average	25	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	25	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	25	% wt
LE, Whole Soil, Summed to 1m	1	cm/m
Weighted averages based on control section: 28-78 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	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
86P01037	0-10	Ap1	S	sil	17.5	66.2	16.3	6.2		45.3	20.9	3.8	3.3	5.1	3.5	0.6	tr	tr	--	13	tr
86P01038	10-28	Ap2	S	sil	16.3	67.5	16.2	5.5		44.5	23.0	3.7	3.2	5.1	3.5	0.7	tr	tr	--	13	tr
86P01039	28-44	Bt	S	l	26.9	45.4	27.7	10.3		44.1	1.3	7.0	5.1	9.0	5.9	0.7	tr	--	--	21	--
86P01040	44-54	Btx1	S	l	25.5	44.9	29.6	10.9		39.5	5.4	6.9	5.1	9.3	7.1	1.2	tr	--	--	23	tr
86P01041	54-79	Btx2	S	l	24.3	43.1	32.6	9.8		34.2	8.9	6.3	5.0	10.4	8.6	2.3	1	1	--	28	2
86P01042	79-103	Btx3	S	cl	28.0	40.0	32.0	13.8		29.1	10.9	6.0	4.6	10.4	8.9	2.1	1	1	--	27	2
86P01043	103-143	Btx4	S	cl	35.1	35.1	29.8	19.3		23.3	11.8	3.3	6.2	12.4	7.0	0.9	1	1	--	28	2

*** Primary Characterization Data ***

Pedon ID: S1985MD031002

( Montgomery, Maryland )

Print Date: Nov 22 2024 12:02PM

Sampled As	:	Beltsville
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  86P0168

---

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	%
				4A1d	4A1h				4B1c	3C2a1a		3D1		4C1		8D1	8D1
86P01037	0-10	Ap1	S	1.51	1.54	0.007			22.4	6.7		1.007		0.24		0.45	0.38
86P01038	10-28	Ap2	S	1.44	1.50	0.014			22.3	6.7		1.007		0.22		0.49	0.41
86P01039	28-44	Bt	S	1.50	1.56	0.013			24.6	13.7		1.009		0.16		0.33	0.51
86P01040	44-54	Btx1	S	1.58	1.67	0.019			21.3	11.3		1.009		0.16		0.38	0.44
86P01041	54-79	Btx2	S	1.79	1.85	0.011			15.9	9.7		1.008		0.11		0.38	0.40
86P01042	79-103	Btx3	S	1.73	1.76	0.006			17.6	10.8		1.008		0.12		0.33	0.39
86P01043	103-143	Btx4	S	1.67	1.69	0.004			18.9	14.1		1.010		0.08		0.27	0.40

---

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 - - - - - - - - - - - - - - - - - - - - - -)
				4F1	4F
86P01037	0-10	Ap1	S	30	8
86P01039	28-44	Bt	S	39	17
86P01041	54-79	Btx2	S	32	14

---

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 - - - - -)
					6B3a			6A1c		6C2b	6G7a	6D2a
86P01037	0-10	Ap1	S		0.112			1.01	9	1.3	0.2	tr
86P01038	10-28	Ap2	S		0.121			1.26	10	1.3	0.2	tr
86P01039	28-44	Bt	S		0.035			0.28	8	2.3	0.4	--
86P01040	44-54	Btx1	S		0.027			0.23	8	2.2	0.3	--
86P01041	54-79	Btx2	S					0.13		1.8	0.4	--
86P01042	79-103	Btx3	S					0.10		2.1	0.5	--
86P01043	103-143	Btx4	S					0.14		2.8	0.6	--

*** Primary Characterization Data ***

Pedon ID: S1985MD031002

( Montgomery, Maryland )

Print Date: Nov 22 2024 12:02PM

Sampled As	:	Beltsville
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  86P0168

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2e	6O2d	6P2b	6Q2b		6H5a	6G9a		5A3a	5A8b	5A3b	5G1	5C3	5C1
86P01037	0-10	Ap1	S	2.4	0.8	0.1	0.2	3.5	7.6	1.3		11.1	7.8	4.8	27	32	45
86P01038	10-28	Ap2	S	3.6	1.0	0.1	0.2	4.9	6.4	0.4		11.3	8.0	5.3	8	43	61
86P01039	28-44	Bt	S	3.4	1.5	0.1	0.1	5.1	6.1	0.8		11.2	8.8	5.9	14	46	58
86P01040	44-54	Btx1	S	2.7	2.0	0.1	0.1	4.9	7.9	1.8		12.8	9.7	6.7	27	38	51
86P01041	54-79	Btx2	S	0.5	2.2	0.2	0.1	3.0	8.5	3.4		11.5	9.2	6.4	53	26	33
86P01042	79-103	Btx3	S	0.2	2.0	0.2	0.1	2.5	8.5	3.4		11.0	9.3	5.9	58	23	27
86P01043	103-143	Btx4	S	0.3	1.5	0.2	tr	2.0	9.5	3.9		11.5	9.4	5.9	66	17	21

---

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 - -)

%

86P01037

0-10

Ap1

S

1

86P01038

10-28

Ap2

S

1

86P01039

28-44

Bt

S

1

86P01040

44-54

Btx1

S

1

86P01041

54-79

Btx2

S

2

86P01042

79-103

Btx3

S

2

86P01043

103-143

Btx4

S

2

*** Primary Characterization Data ***

Pedon ID: S1985MD031002

( Montgomery, Maryland )

Print Date: Nov 22 2024 12:02PM

Sampled As	:	Beltsville
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  86P0168

---

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

86P01037

0-10

Ap1

S

4.1

4.3

86P01038

10-28

Ap2

S

4.5

4.7

86P01039

28-44

Bt

S

4.6

4.9

86P01040

44-54

Btx1

S

4.2

4.6

86P01041

54-79

Btx2

S

4.1

4.6

86P01042

79-103

Btx3

S

4.1

4.6

86P01043

103-143

Btx4

S

4.2

4.8

*** Primary Characterization Data ***

Pedon ID: S1985MD031002

( Montgomery, Maryland )

Print Date: Nov 22 2024 12:02PM

Sampled As	:	Beltsville
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  86P0168

---

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

7A2i

7A4a

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

86P01039

28.0-44.0

Bt

tcly

KK 3

VR 3

MI 2

VM 1

GI 1

10.9

QZ 1

86P01041

54.0-79.0

Btx2

tcly

KK 3

VR 3

VM 2

GI 1

GE 1

KK 10

GI tr

9.9

1.0

86P01043

103.0-143.0

Btx4

tcly

KK 3

VC 3

GI 2

GE 1

MI 2

KK 15

GI 1

11.9

0.9

VM 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
GE Goethite	GI Gibbsite	KK Kaolinite	MI Mica	QZ Quartz
VC Vermiculite-Chlorite	VM Vermiculite-Mica	VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: S1985MD031002

( Montgomery, Maryland )

Print Date: Nov 22 2024 12:02PM

Sampled As	:	Beltsville
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  86P0168

---

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

86P01039

28.0-44.0

Bt

csi

75

QZ 71

FK 13

MS 8

OP 3

BT 3

OW 1

ZR 1

TM tr

RA tr

86P01039

28.0-44.0

Bt

vfs

87

QZ 81

MS 8

BT 3

OP 3

FK 2

RA 2

ZR 1

TM tr

OW tr

PO tr

86P01039

28.0-44.0

Bt

fs

86

QZ 86

MS 10

FK 2

BT 1

HN tr

RA tr

ZR tr

86P01041

54.0-79.0

Btx2

csi

92

QZ 86

MS 5

OP 3

FK 3

ZR 2

TM 1

RU tr

HN tr

PO tr

OW tr

86P01041

54.0-79.0

Btx2

vfs

99

QZ 97

OP 2

RA tr

HN tr

OW tr

FK tr

MS tr

RU tr

ZR tr

TM tr

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mm	vfs - Very Fine Sand 0.05-0.1 mm	fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
BT Biotite	FK Potassium Feldspar	HN Hornblende	MS Muscovite	OP Opaques
OW Other Weatherable Minerals	PO Plant Opal	QZ Quartz	RA Resistant Aggregates	RU Rutile
TM Tourmaline	ZR Zircon