diff --git a/sheets_and_friends/tsv_in/modifications_long.tsv b/sheets_and_friends/tsv_in/modifications_long.tsv
index 0b4e852d..23fc4c42 100644
--- a/sheets_and_friends/tsv_in/modifications_long.tsv
+++ b/sheets_and_friends/tsv_in/modifications_long.tsv
@@ -13,6 +13,7 @@ DhMultiviewCommonColumnsMixin	analysis_type	replace_attribute	required			true
 SoilInterface	annual_precpt	overwrite_examples	examples			8.94 inch
 SoilInterface	annual_precpt	add_attribute	todos			This is no longer matching the listed IRI from GSC, added example. When NMDC has its own slots, map this to the MIxS slot
 PlantAssociatedInterface|SoilInterface	biotic_regm	replace_attribute	recommended			true
+SoilInterface	bulk_elect_conductivity	overwrite_examples	examples			0.017 mS/cm
 BiofilmInterface|SedimentInterface|SoilInterface|WaterInterface	carb_nitro_ratio	replace_attribute	range			float
 AirInterface|BiofilmInterface|HcrCoresInterface|HcrFluidsSwabsInterface|HostAssociatedInterface|MiscEnvsInterface|PlantAssociatedInterface|SedimentInterface|SoilInterface|WastewaterSludgeInterface|WaterInterface	chem_administration	replace_attribute	pattern			^(\S+.*\S+ \[[A-za-z]+:\d+\];[12]\d{3}(?:(?:-(?:0[1-9]|1[0-2]))(?:-(?:0[1-9]|[12]\d|3[01]))?)?\|)*(\S+.*\S+ \[[A-za-z]+:\d+\];[12]\d{3}(?:(?:-(?:0[1-9]|1[0-2]))(?:-(?:0[1-9]|[12]\d|3[01]))?)?)$
 AirInterface|BiofilmInterface|HcrCoresInterface|HcrFluidsSwabsInterface|HostAssociatedInterface|MiscEnvsInterface|PlantAssociatedInterface|SedimentInterface|SoilInterface|WastewaterSludgeInterface|WaterInterface	chem_administration	replace_attribute	range			string
diff --git a/src/data/invalid/SampleData-soil-data-illegal-bulk-elect.yaml b/src/data/invalid/SampleData-soil-data-illegal-bulk-elect.yaml
new file mode 100644
index 00000000..6f3cbf0b
--- /dev/null
+++ b/src/data/invalid/SampleData-soil-data-illegal-bulk-elect.yaml
@@ -0,0 +1,17 @@
+soil_data:
+  - elev: 123
+    analysis_type:
+      - metagenomics
+      - metatranscriptomics
+    collection_date: "2022-01-15"
+    depth: "0 - 1"
+    env_broad_scale: "______urban biome [ENVO:01000249]"
+    env_local_scale: "________tunnel [ENVO:00000068]"
+    env_medium: "bare soil [ENVO:01001616]"
+    geo_loc_name: "USA: Nowhere, Oklahoma"
+    growth_facil: greenhouse
+    lat_lon: 35.211445 -98.464612
+    samp_name: b
+    samp_store_temp: "-80 Celsius"
+    store_cond: frozen
+    bulk_elect_conductivity: 34
\ No newline at end of file
diff --git a/src/data/invalid/SampleData-soil-data-illegal-infiltration.yaml b/src/data/invalid/SampleData-soil-data-illegal-infiltration.yaml
new file mode 100644
index 00000000..fa5c142d
--- /dev/null
+++ b/src/data/invalid/SampleData-soil-data-illegal-infiltration.yaml
@@ -0,0 +1,18 @@
+soil_data:
+  - elev: 123
+    analysis_type:
+      - metagenomics
+      - metatranscriptomics
+    collection_date: "2022-01-15"
+    depth: "0 - 1"
+    env_broad_scale: "______urban biome [ENVO:01000249]"
+    env_local_scale: "________tunnel [ENVO:00000068]"
+    env_medium: "bare soil [ENVO:01001616]"
+    geo_loc_name: "USA: Nowhere, Oklahoma"
+    growth_facil: greenhouse
+    lat_lon: 35.211445 -98.464612
+    samp_name: b
+    samp_store_temp: "-80 Celsius"
+    store_cond: frozen
+    infiltrations:
+      - '2 minutes'
\ No newline at end of file
diff --git a/src/data/valid/SampleData-soil-data-ufo-slots.yaml b/src/data/valid/SampleData-soil-data-ufo-slots.yaml
new file mode 100644
index 00000000..1c4217db
--- /dev/null
+++ b/src/data/valid/SampleData-soil-data-ufo-slots.yaml
@@ -0,0 +1,18 @@
+soil_data:
+  - elev: 123
+    analysis_type:
+      - metagenomics
+      - metatranscriptomics
+    collection_date: '2022-01-15'
+    depth: "0 - 1"
+    env_broad_scale: '______urban biome [ENVO:01000249]'
+    env_local_scale: '________tunnel [ENVO:00000068]'
+    env_medium: 'bare soil [ENVO:01001616]'
+    geo_loc_name: 'USA: Nowhere, Oklahoma'
+    growth_facil: greenhouse
+    lat_lon: 35.211445 -98.464612
+    samp_name: b
+    samp_store_temp: "-80 Celsius"
+    store_cond: frozen
+    bulk_elect_conductivity: '0.017 mS'
+    infiltrations: "01:24:03;00:02:33;00:02:02"
\ No newline at end of file