I think I have the engineering contributions report deduplicated.

src/sql/0-run-first/contributions.sql

@@ -2,7 +2,7 @@ CREATE OR REPLACE TABLE engineer_contributions AS
 SELECT CONCAT(users.lname, ', ', users.fname)                            AS `Engineer`,
        project_lifecycle.project_number                                  AS `Project Number`,
        project_lifecycle.timestamp,
-       substr(new_value, 2)                                              AS `Action Type`,
+       new_value                                                         AS `Action Type`,
        CONCAT(SUBSTR(project_lifecycle.project_number, 1, 3), ' - ',
               IF(ap.proj_type = 'Warranty', 'Structural', ap.proj_type)) AS `Region`,
        clients.name                                                      AS `Client`,
@@ -12,5 +12,21 @@ FROM users
          INNER JOIN all_projects ap on project_lifecycle.project_number = ap.refnum
          INNER JOIN contacts on ap.contact_fkey = contacts.pkey
          INNER JOIN clients on contacts.cl_fkey = clients.pkey
-WHERE project_lifecycle.new_value IN ('+SEALED')
-  AND users.priv & POW(2, 25);
+WHERE engineer_contributions.`Project Number` in (SELECT DISTINCT `Project Number` from engineer_contributions)
+  AND project_lifecycle.new_value IN ('+SEALED')
+  AND users.priv & POW(2, 25) > 0;
+
+ALTER TABLE engineer_contributions
+    ADD COLUMN id INT AUTO_INCREMENT KEY FIRST;
+
+DELETE
+FROM engineer_contributions
+WHERE id IN (SELECT bad_rows.id
+             FROM engineer_contributions AS bad_rows
+                      INNER JOIN (SELECT engineer_contributions.`Project Number`, MAX(id) as min_id
+                                  FROM engineer_contributions
+                                  GROUP BY engineer_contributions.`Project Number`
+                                  HAVING count(*) > 1) AS good_rows
+                                 ON good_rows.`Project Number` =
+                                    bad_rows.`Project Number`
+                                     AND good_rows.min_id <> bad_rows.id);