diff --git a/src/utils/translators/ldb/staffStation.ts b/src/utils/translators/ldb/staffStation.ts
index 5647542..b9f26af 100644
--- a/src/utils/translators/ldb/staffStation.ts
+++ b/src/utils/translators/ldb/staffStation.ts
@@ -63,12 +63,12 @@ function transformTrainServices(input: any): TrainServices[] {
       uid: service?.uid,
       trainid: service?.trainid,
       operatorCode: service?.operatorCode || 'UK',
-      platform: service?.platform || '',
-      platformIsHidden: service?.platformIsHidden || '',
-      serviceIsSupressed: service?.serviceIsSupressed || '',
+      platform: service?.platform || '-',
+      platformIsHidden: service?.platformIsHidden,
+      serviceIsSupressed: service?.serviceIsSupressed,
       origin: transformLocation(service?.origin),
       destination: transformLocation(service?.destination),
-      isCancelled: service?.isCancelled || '',
+      isCancelled: service?.isCancelled,
       cancelReason: service?.cancelReason,
       delayReason: service?.delayReason,
       arrivalType: service?.arrivalType,
@@ -80,6 +80,7 @@ function transformTrainServices(input: any): TrainServices[] {
       etd: transformUnspecifiedDateTime(service?.etd),
       atd: transformUnspecifiedDateTime(service?.atd),
     }
+    Object.keys(trainService).forEach(key => trainService[key] === undefined && delete trainService[key]);
     output.push(trainService)
   }
   return output
@@ -101,8 +102,11 @@ function transformLocation(input: any): ServiceLocation[] {
   return output
 }
 
-function transformUnspecifiedDateTime(input: string): Date {
+function transformUnspecifiedDateTime(input: string): Date | undefined {
   console.debug(`staffStation.transformUnspecifiedDateTime running`)
+  if (!input) {
+    return undefined
+  }
   const date = tz(input, "Europe/London");
   return date.toDate()
 }
\ No newline at end of file
diff --git a/test/utils/sanitizer.utils.test.ts b/test/utils/sanitizer.utils.test.ts
index f7c80ce..a749f19 100644
--- a/test/utils/sanitizer.utils.test.ts
+++ b/test/utils/sanitizer.utils.test.ts
@@ -1,4 +1,5 @@
 import { getDomainFromEmail } from "../../src/utils/sanitizer.utils";
+import { removeNonNumeric } from "../../src/utils/sanitizer.utils";
 
 describe('Sanitize Email', () => {
   const inputs = [
@@ -16,3 +17,15 @@ describe('Sanitize Email', () => {
     })
   }
 });
+
+describe('Remove non-numeric', () => {
+  const inputs = ['abc123','<%43)($£@:}jfkd4']
+  const expectedOutputs = ['123','434']
+  for (const key in inputs) {
+    const input = inputs[key];
+    const desired = expectedOutputs[key];
+    test(`Should return only numbers: ${key}`, () => {
+      expect(removeNonNumeric(input)).toEqual(desired);
+    })
+  }
+})
diff --git a/test/utils/translators/ldb/stationOutputs.ts b/test/utils/translators/ldb/stationOutputs.ts
index 2c0a146..a4c36f8 100644
--- a/test/utils/translators/ldb/stationOutputs.ts
+++ b/test/utils/translators/ldb/stationOutputs.ts
@@ -13,7 +13,7 @@ export const outputs: any[] = [
       {
         rid: "202308017159276",
         uid: "G59276",
-        trainuid: "1M83",
+        trainid: "1M83",
         operatorCode: "XC",
         sta: expect.any(Date),
         ata: expect.any(Date),