diff --git a/scripts/testright_qc.py b/scripts/testright_qc.py
index 4551284..16bf092 100644
--- a/scripts/testright_qc.py
+++ b/scripts/testright_qc.py
@@ -68,7 +68,7 @@ def consolidate_and_perform_calculations(curdir, rootdir, path_delim, validation
 
     # 427 nm range
     df1 = df[ (df['Wavelength'] > (midpoint1-bandwidth1)) & (df['Wavelength'] < (midpoint1+bandwidth1)) ]
-
+    
     # 555 nm range
     df2 = df[ (df['Wavelength'] > (midpoint2-bandwidth2)) & (df['Wavelength'] < (midpoint2+bandwidth2)) ]
     
@@ -89,11 +89,38 @@ def consolidate_and_perform_calculations(curdir, rootdir, path_delim, validation
     writer.close()
 
 
+def device_calculations(device_dir):
+    csv_files = glob.glob(device_dir + path_delim + '/*.{}'.format('csv'))
+    if len(csv_files) == 0:
+        print("no csv files in the sub folder")
+    
+    for file in csv_files:
+        df = pd.read_csv(file)
+
+    print(file)
+
+    midpoint1 = 427
+    midpoint2 = 555
+    bandwidth1 = 1
+    bandwidth2 = 1
+
+    df.rename(columns = {"tv":"Wavelength","ca":"Absorbance"}, inplace = True)
+
+    df1 = df[ (df['Wavelength'] > (midpoint1)) & (df['Wavelength'] < (midpoint1+bandwidth1)) ]
+    df2 = df[ (df['Wavelength'] > (midpoint2)) & (df['Wavelength'] < (midpoint2+bandwidth2)) ]
+    print("df", df1.iloc[0]['Wavelength'])
+    start_wavlength_427 = df1.iloc[0]['Wavelength']
+    print(df1.loc[df1['Wavelength'] == start_wavlength_427])
+    
+    print("max_427", round(df1["Absorbance"].max(), 5))
+    print("wvmax_427", round(df1.at[df1["Absorbance"].idxmax(),"Wavelength"], 5))
+    print("max_555", round(df2["Absorbance"].max(), 5))
+    print("wvmax_555", round(df2.at[df2["Absorbance"].idxmax(),"Wavelength"], 5))
+
 sampleID = 1
 allDF = pd.DataFrame()
 procData = []
 
-
 if __name__ == "__main__":
     environment = "dev" # dev, QC
     rootdir = os.getcwd()
@@ -107,15 +134,16 @@ if __name__ == "__main__":
         choose_validation_file = QFileDialog.getOpenFileName(None, "Select validation excel")
         validation_file = choose_validation_file[0]
     
-    path_delim = ''
     if platform.system() == 'Darwin':
         path_delim = '/'
     else:
         path_delim = '\\'
     
     for file in tqdm(os.listdir(rootdir)):
-        curdir = os.path.join(rootdir, file)
-        if os.path.isdir(curdir):
+        device_dir = os.path.join(rootdir, file)
+        if os.path.isdir(device_dir):
             # os.chdir(d)
-            consolidate_and_perform_calculations(curdir, rootdir, path_delim, validation_file)
+            # consolidate_and_perform_calculations(curdir, rootdir, path_delim, validation_file)
+            device_calculations(device_dir)
+            break
      
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