diff --git a/mods/cnc/bits/pip-hazmat.shp b/mods/cnc/bits/pip-hazmat.shp
new file mode 100644
index 0000000000..8b814f4fe1
Binary files /dev/null and b/mods/cnc/bits/pip-hazmat.shp differ
diff --git a/mods/cnc/rules/defaults.yaml b/mods/cnc/rules/defaults.yaml
index 192e1496e4..b8eac21630 100644
--- a/mods/cnc/rules/defaults.yaml
+++ b/mods/cnc/rules/defaults.yaml
@@ -208,6 +208,17 @@
 		CargoType: Infantry
 	HiddenUnderFog:
 	PoisonedByTiberium:
+		UpgradeTypes: hazmatsuits
+		UpgradeMaxEnabledLevel: 0
+	GlobalUpgradable@BIO:
+		Upgrades: hazmatsuits
+		Prerequisites: bio
+	WithDecoration@HAZMAT:
+		Image: pips
+		Sequence: pip-hazmat
+		ReferencePoint: Bottom, Right
+		UpgradeTypes: hazmatsuits
+		UpgradeMinEnabledLevel: 1
 	ActorLostNotification:
 	SpawnActorOnDeath:
 		Probability: 10
@@ -227,7 +238,7 @@
 		DamageCooldown: 125
 		UpgradeTypes: hospitalheal
 		UpgradeMinEnabledLevel: 1
-	GlobalUpgradable:
+	GlobalUpgradable@HOSPITAL:
 		Upgrades: hospitalheal
 		Prerequisites: hosp
 	DetectCloaked:
@@ -299,6 +310,7 @@
 	Buildable:
 		Queue: Biolab
 		BuildPaletteOrder: 50
+		Prerequisites: ~disabled
 	Valued:
 		Cost: 1000
 	Tooltip:
diff --git a/mods/cnc/rules/tech.yaml b/mods/cnc/rules/tech.yaml
index 232a087061..e93ac2f304 100644
--- a/mods/cnc/rules/tech.yaml
+++ b/mods/cnc/rules/tech.yaml
@@ -55,6 +55,7 @@ BIO:
 		Dimensions: 2,2
 	Tooltip:
 		Name: Biological Lab
+		Description: Grants Tiberium immunity to infantry.
 	Exit@1:
 		SpawnOffset: 0,-426,0
 		ExitCell: 0,-1
diff --git a/mods/cnc/sequences/misc.yaml b/mods/cnc/sequences/misc.yaml
index c62b6d3171..203f0f95f1 100644
--- a/mods/cnc/sequences/misc.yaml
+++ b/mods/cnc/sequences/misc.yaml
@@ -212,6 +212,8 @@ pips:
 		Start: 5
 	groups: pdigits
 		Length: *
+	pip-hazmat: pip-hazmat
+		Length: *
 
 overlay:
 	build-valid-desert: