diff --git a/app.py b/app.py
index 8d70fcb..90fcde6 100644
--- a/app.py
+++ b/app.py
@@ -36,7 +36,7 @@ app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(hours=1)
 
 
 # 1. Define the version
-APP_VERSION = '0.11.0'
+APP_VERSION = '0.11.1'
 
 # 2. Inject it into all templates automatically
 @app.context_processor
diff --git a/blueprints/__pycache__/counting.cpython-313.pyc b/blueprints/__pycache__/counting.cpython-313.pyc
index 07feb82..4f56345 100644
Binary files a/blueprints/__pycache__/counting.cpython-313.pyc and b/blueprints/__pycache__/counting.cpython-313.pyc differ
diff --git a/blueprints/__pycache__/data_imports.cpython-313.pyc b/blueprints/__pycache__/data_imports.cpython-313.pyc
index 6575814..c549d2e 100644
Binary files a/blueprints/__pycache__/data_imports.cpython-313.pyc and b/blueprints/__pycache__/data_imports.cpython-313.pyc differ
diff --git a/blueprints/counting.py b/blueprints/counting.py
index 94bb7be..6f4f078 100644
--- a/blueprints/counting.py
+++ b/blueprints/counting.py
@@ -310,8 +310,14 @@ def scan_lot(session_id, location_count_id):
     
     # Check against MASTER baseline
     master = query_db('''
-        SELECT * FROM BaselineInventory_Master
+        SELECT 
+            system_bin,
+            SUM(system_quantity) as system_quantity,
+            MAX(item) as item,
+            MAX(description) as description
+        FROM BaselineInventory_Master
         WHERE session_id = ? AND lot_number = ? AND system_bin = ?
+        GROUP BY system_bin
     ''', [session_id, lot_number, location['location_name']], one=True)
     
     # Determine master_status (only if not a duplicate issue)
@@ -328,8 +334,16 @@ def scan_lot(session_id, location_count_id):
         else:
             # Check if lot exists in different location
             master_other = query_db('''
-                SELECT * FROM BaselineInventory_Master
+                SELECT 
+                    system_bin,
+                    SUM(system_quantity) as system_quantity,
+                    MAX(item) as item,
+                    MAX(description) as description
+                FROM BaselineInventory_Master
                 WHERE session_id = ? AND lot_number = ?
+                GROUP BY system_bin
+                ORDER BY system_bin
+                LIMIT 1
             ''', [session_id, lot_number], one=True)
             
             if master_other:
@@ -346,8 +360,16 @@ def scan_lot(session_id, location_count_id):
         # For duplicates, still check baseline for item info
         if not master:
             master = query_db('''
-                SELECT * FROM BaselineInventory_Master
+                SELECT 
+                    system_bin,
+                    SUM(system_quantity) as system_quantity,
+                    MAX(item) as item,
+                    MAX(description) as description
+                FROM BaselineInventory_Master
                 WHERE session_id = ? AND lot_number = ?
+                GROUP BY system_bin
+                ORDER BY system_bin
+                LIMIT 1
             ''', [session_id, lot_number], one=True)
         master_status = 'match'  # Don't override with wrong_location for duplicates
         variance_lbs = None
diff --git a/blueprints/data_imports.py b/blueprints/data_imports.py
index 8ebd24b..2a109df 100644
--- a/blueprints/data_imports.py
+++ b/blueprints/data_imports.py
@@ -94,6 +94,7 @@ def upload_master(session_id):
     
     conn = get_db()
     cursor = conn.cursor()
+    cursor.execute('DELETE FROM BaselineInventory_Master WHERE session_id = ?', [session_id])
     try:
         stream = io.StringIO(file.stream.read().decode("UTF8"), newline=None)
         csv_reader = csv.DictReader(stream)
diff --git a/templates/count_location.html b/templates/count_location.html
index 1d7acc3..606f81c 100644
--- a/templates/count_location.html
+++ b/templates/count_location.html
@@ -102,7 +102,7 @@
                onclick="openScanDetail('{{ scan.entry_id }}')">
             <div class="scan-row-lot">{{ scan.lot_number }}</div>
                 <div class="scan-row-item">{{ scan.item or 'N/A' }}</div>
-                    <div class="scan-row-weight">{{ scan.actual_weight }} lbs</div>
+                    <div class="scan-row-weight">{{ '%.1f'|format(scan.actual_weight) if scan.actual_weight is not none else '-' }} lbs</div>
                         <div class="scan-row-status">
                             {% if scan.duplicate_status == '01' or scan.duplicate_status == '04' %}
                                 <span class="status-dot status-dot-blue"></span> Duplicate
@@ -185,6 +185,23 @@ let currentLotNumber = '';
 let isDuplicateConfirmed = false;
 let isProcessing = false;
 
+function parseWeight(value) {
+    const num = Number(value);
+    return Number.isFinite(num) ? num : null;
+}
+
+function formatWeight(value) {
+    const num = parseWeight(value);
+    return num === null ? '-' : num.toFixed(1);
+}
+
+function weightsDiffer(actual, expected) {
+    const actualNum = parseWeight(actual);
+    const expectedNum = parseWeight(expected);
+    if (actualNum === null || expectedNum === null) return false;
+    return Math.abs(actualNum - expectedNum) >= 0.01;
+}
+
 // Lot scan handler
 document.getElementById('lotScanForm').addEventListener('submit', function(e) {
     e.preventDefault();
@@ -388,7 +405,7 @@ function addScanToList(data, weight) {
             statusDot = 'orange';
         }
     } else if (data.master_status === 'match') {
-        if (data.master_expected_weight && Math.abs(weight - data.master_expected_weight) >= 0.01) {
+        if (data.master_expected_weight && weightsDiffer(weight, data.master_expected_weight)) {
             statusClass = 'weight_discrepancy';
             statusText = 'Weight Off';
             statusDot = 'orange';
@@ -414,7 +431,7 @@ function addScanToList(data, weight) {
     scanRow.innerHTML = `
         <div class="scan-row-lot">${currentLotNumber}</div>
         <div class="scan-row-item">${data.item || 'N/A'}</div>
-        <div class="scan-row-weight">${weight} lbs</div>
+        <div class="scan-row-weight">${formatWeight(weight)} lbs</div>
         <div class="scan-row-status">
             <span class="status-dot status-dot-${statusDot}"></span> ${statusText}
         </div>
@@ -451,7 +468,7 @@ function displayScanDetail(scan) {
     // Check for weight discrepancy (Tolerance 0.01)
     let isWeightOff = false;
     if (scan.master_status === 'match' && scan.master_expected_weight) {
-        if (Math.abs(scan.actual_weight - scan.master_expected_weight) >= 0.01) {
+        if (weightsDiffer(scan.actual_weight, scan.master_expected_weight)) {
             isWeightOff = true;
         }
     }
@@ -502,7 +519,7 @@ function displayScanDetail(scan) {
                 </div>
                 <div class="form-group">
                     <label class="form-label">Weight (lbs)</label>
-                    <input type="number" id="editWeight" class="form-input" value="${scan.actual_weight}" step="0.01" min="0" inputmode="decimal">
+                    <input type="number" id="editWeight" class="form-input" value="${formatWeight(scan.actual_weight)}" step="0.01" min="0" inputmode="decimal">
                 </div>
                 <div class="form-group">
                     <label class="form-label">Comment</label>