cleaned up method

src/convert/definitions/partsPer.js

@@ -0,0 +1,44 @@
+var metric
+  , imperial;
+
+metric = {
+  ppm: {
+    name: {
+      singular: 'Part-per Million'
+      , plural: 'Parts-per Million'
+    }
+    , to_anchor: 1
+  }
+  , ppb: {
+    name: {
+      singular: 'Part-per Billion'
+      , plural: 'Parts-per Billion'
+    }
+    , to_anchor: .001
+  }
+  , ppt: {
+    name: {
+      singular: 'Part-per Trillion'
+      , plural: 'Parts-per Trillion'
+    }
+    , to_anchor: .000001
+  }
+  , ppq: {
+    name: {
+      singular: 'Part-per Quadrillion'
+      , plural: 'Parts-per Quadrillion'
+    }
+    , to_anchor: .000000001
+  }
+};
+
+module.exports = {
+  metric: metric
+  , imperial: {}
+  , _anchors: {
+    metric: {
+      unit: 'ppm'
+      , ratio: .000001
+    }
+  }
+};