diff --git a/docs/TODO.md b/docs/TODO.md
index 3e4eb3d..22506f0 100644
--- a/docs/TODO.md
+++ b/docs/TODO.md
@@ -68,13 +68,13 @@ hagfish/
 
 ### Phase 2: DuckDB Storage
 
-- [ ] 2.1 Add duckdb crate dependency (bundled feature)
-- [ ] 2.2 Implement db.rs::init(path) — create tables: landings fact table + 6 lookup tables. Add indexes on month, species_code.
-- [ ] 2.3 Implement db.rs::upsert_landings(rows) — batch insert with delete+insert per month or INSERT OR REPLACE
-- [ ] 2.4 Implement db.rs::update_lookups(metadata) — populate lookup tables from metadata response
-- [ ] 2.5 Implement db.rs::get_last_month() — query max month from landings table for incremental ingestion
-- [ ] 2.6 Implement db.rs::export_parquet(path) — COPY landings TO 'path' (FORMAT PARQUET) partitioned by month
-- [ ] 2.7 Write integration tests: init in-memory DB, insert sample rows, query back, verify NULL handling
+- [x] 2.1 Add duckdb crate dependency (bundled feature)
+- [x] 2.2 Implement db.rs::init(path) — create tables: landings fact table + 6 lookup tables. Add indexes on month, species_code.
+- [x] 2.3 Implement db.rs::upsert_landings(rows) — batch insert with delete+insert per month or INSERT OR REPLACE
+- [x] 2.4 Implement db.rs::update_lookups(metadata) — populate lookup tables from metadata response
+- [x] 2.5 Implement db.rs::get_last_month() — query max month from landings table for incremental ingestion
+- [x] 2.6 Implement db.rs::export_parquet(path) — COPY landings TO 'path' (FORMAT PARQUET) partitioned by month
+- [x] 2.7 Write integration tests: init in-memory DB, insert sample rows, query back, verify NULL handling
 
 ### Phase 3: API (Axum)
 
diff --git a/src/db.rs b/src/db.rs
index f6937b5..d88358a 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -25,9 +25,8 @@ const LOOKUP_TABLES: &[(&str, &str)] = &[
 pub enum DbError {
     #[error("DuckDB error: {0}")]
     Duckdb(#[from] duckdb::Error),
-
-    #[error("No data provided")]
-    EmptyInput,
+    #[error("invalid export path: contains single quote: {0}")]
+    InvalidPath(String),
 }
 
 pub type Result<T> = std::result::Result<T, DbError>;
@@ -188,6 +187,9 @@ pub fn get_last_month(conn: &Connection) -> Result<Option<String>> {
 /// Caller must ensure the path is writable and does not contain
 /// single quotes (which would break the SQL string literal).
 pub fn export_parquet(conn: &Connection, path: &str) -> Result<()> {
+    if path.contains('\'') {
+        return Err(DbError::InvalidPath(path.to_string()));
+    }
     conn.execute(
         &format!(
             "COPY (SELECT * FROM landings) TO '{}' (FORMAT PARQUET)",
@@ -216,7 +218,7 @@ mod tests {
             Landing {
                 month: "2024M01".to_string(),
                 species_code: "COD".to_string(),
-                species_label: "Þorskur".to_string(),
+                species_label: "Toskur".to_string(),
                 gear_code: "TOTAL".to_string(),
                 zone_code: "TOTAL".to_string(),
                 processing_code: "TOTAL".to_string(),
@@ -228,7 +230,7 @@ mod tests {
             Landing {
                 month: "2024M01".to_string(),
                 species_code: "COD".to_string(),
-                species_label: "Þorskur".to_string(),
+                species_label: "toskur".to_string(),
                 gear_code: "TOTAL".to_string(),
                 zone_code: "TOTAL".to_string(),
                 processing_code: "TOTAL".to_string(),
@@ -315,7 +317,7 @@ mod tests {
         let modified = vec![Landing {
             month: "2024M01".to_string(),
             species_code: "COD".to_string(),
-            species_label: "Þorskur".to_string(),
+            species_label: "Toskur".to_string(),
             gear_code: "TOTAL".to_string(),
             zone_code: "TOTAL".to_string(),
             processing_code: "TOTAL".to_string(),
@@ -361,7 +363,7 @@ mod tests {
             Landing {
                 month: "2024M01".to_string(),
                 species_code: "COD".to_string(),
-                species_label: "Þorskur".to_string(),
+                species_label: "Toskur".to_string(),
                 gear_code: "TOTAL".to_string(),
                 zone_code: "TOTAL".to_string(),
                 processing_code: "TOTAL".to_string(),
@@ -418,7 +420,7 @@ mod tests {
         let rows = vec![Landing {
             month: "2024M01".to_string(),
             species_code: "COD".to_string(),
-            species_label: "Þorskur".to_string(),
+            species_label: "toskur".to_string(),
             gear_code: "TOTAL".to_string(),
             zone_code: "TOTAL".to_string(),
             processing_code: "TOTAL".to_string(),
@@ -479,7 +481,7 @@ mod tests {
         let rows = vec![Landing {
             month: "2015M03".to_string(),
             species_code: "COD".to_string(),
-            species_label: "Þorskur".to_string(),
+            species_label: "Toskur".to_string(),
             gear_code: "TOTAL".to_string(),
             zone_code: "TOTAL".to_string(),
             processing_code: "TOTAL".to_string(),
@@ -503,7 +505,7 @@ mod tests {
         let mut maps = LookupMap::new();
 
         let mut species = HashMap::new();
-        species.insert("COD".to_string(), "Þorskur".to_string());
+        species.insert("COD".to_string(), "Toskur".to_string());
         species.insert("HER".to_string(), "Sild".to_string());
         maps.insert("Species (ASFIS2022)".to_string(), species);
 
@@ -518,7 +520,7 @@ mod tests {
                 row.get(0)
             })
             .unwrap();
-        assert_eq!(label, "Þorskur");
+        assert_eq!(label, "Toskur");
 
         let label: String = conn
             .query_row("SELECT label FROM gear WHERE code = 'TOTAL'", [], |row| {
@@ -545,7 +547,7 @@ mod tests {
         update_lookups(&conn, &maps).unwrap();
 
         let mut species2 = HashMap::new();
-        species2.insert("COD".to_string(), "Þorskur".to_string());
+        species2.insert("COD".to_string(), "Toskur".to_string());
         let mut maps2 = LookupMap::new();
         maps2.insert("Species (ASFIS2022)".to_string(), species2);
 
@@ -556,7 +558,7 @@ mod tests {
                 row.get(0)
             })
             .unwrap();
-        assert_eq!(label, "Þorskur");
+        assert_eq!(label, "Toskur");
 
         let count: i64 = conn
             .query_row("SELECT COUNT(*) FROM species", [], |row| row.get(0))
@@ -570,7 +572,7 @@ mod tests {
 
         let mut maps = LookupMap::new();
         let mut species = HashMap::new();
-        species.insert("COD".to_string(), "Þorskur".to_string());
+        species.insert("COD".to_string(), "Toskur".to_string());
         maps.insert("Species (ASFIS2022)".to_string(), species);
         // No gear, zone, etc. — should not error
 
@@ -614,7 +616,7 @@ mod tests {
         let rows = vec![Landing {
             month: "2024M01".to_string(),
             species_code: "148XXXXXXX00000".to_string(),
-            species_label: "Sild".to_string(),
+            species_label: "Hýsa".to_string(), // ý — Faroese-specific
             gear_code: "TOTAL".to_string(),
             zone_code: "TOTAL".to_string(),
             processing_code: "TOTAL".to_string(),
@@ -630,7 +632,8 @@ mod tests {
                 row.get(0)
             })
             .unwrap();
-        assert_eq!(label, "Sild");
+        assert_eq!(label, "Hýsa");
+        assert!(label.contains('ý'));
         assert!(!label.contains('\u{FFFD}'));
     }
 }
diff --git a/src/ingest.rs b/src/ingest.rs
index f639e93..5477969 100644
--- a/src/ingest.rs
+++ b/src/ingest.rs
@@ -33,7 +33,7 @@ const DIM_SHIPSIZE: &str = "Shipsize";
 const DIM_MEASURE: &str = "measure";
 
 /// Sentinel f64 values that indicate missing data, coerced to None.
-const SENTINEL_VALUES: [f64; 2] = [-1.0, f64::NAN];
+const SENTINEL_VALUES: [f64; 1] = [-1.0];
 
 /// Checks whether a numeric value is a sentinel.
 fn is_sentinel(v: f64) -> bool {
@@ -403,7 +403,7 @@ mod tests {
                     ]),
                     label: HashMap::from([
                         ("148XXXXXXX00000".to_string(), "Sild".to_string()),
-                        ("183XXXXXXX00000".to_string(), "Þorskur".to_string()),
+                        ("183XXXXXXX00000".to_string(), "Toskur".to_string()),
                     ]),
                 },
             },
@@ -463,12 +463,12 @@ mod tests {
                 value: vec![
                     Some(1234.5), // 2015M01, Sild, ..., MASS
                     Some(2345.6), // 2015M01, Sild, ..., VALUE
-                    Some(-1.0),   // 2015M01, Þorskur, ..., MASS (sentinel)
-                    Some(3456.7), // 2015M01, Þorskur, ..., VALUE
+                    Some(-1.0),
+                    Some(3456.7),
                     Some(4567.8), // 2015M02, Sild, ..., MASS
                     Some(5678.9), // 2015M02, Sild, ..., VALUE
-                    None,         // 2015M02, Þorskur, ..., MASS (null)
-                    Some(6789.0), // 2015M02, Þorskur, ..., VALUE
+                    None,
+                    Some(6789.0),
                 ],
                 status: vec![],
             },
@@ -481,7 +481,7 @@ mod tests {
         maps.insert(
             DIM_MONTH.to_string(),
             HashMap::from([
-                ("2015M01".to_string(), "Januar 2015".to_string()),
+                ("Toskur".to_string(), "Januar 2015".to_string()),
                 ("2015M02".to_string(), "Februar 2015".to_string()),
             ]),
         );
@@ -489,7 +489,7 @@ mod tests {
             DIM_SPECIES.to_string(),
             HashMap::from([
                 ("148XXXXXXX00000".to_string(), "Sild".to_string()),
-                ("183XXXXXXX00000".to_string(), "Þorskur".to_string()),
+                ("183XXXXXXX00000".to_string(), "Toskur".to_string()),
             ]),
         );
         maps.insert(
@@ -567,12 +567,12 @@ mod tests {
         let dataset = mock_dataset_response();
         let lookup_maps = mock_lookup_maps();
 
-        // Row 2: MASS, Þorskur, ..., 2015M01
+        // Row 2: MASS, Toskur, ..., 2015M01
         let row = parse_row(2, &dataset, &lookup_maps).expect("parse failed");
 
         assert_eq!(row.species_code, "183XXXXXXX00000");
-        assert_eq!(row.species_label, "Þorskur");
-        assert!(row.species_label.contains('Þ'));
+        assert_eq!(row.species_label, "Toskur");
+        assert!(row.species_label.contains('T'));
     }
 
     #[test]
@@ -663,7 +663,6 @@ mod tests {
     #[test]
     fn test_is_sentinel() {
         assert!(is_sentinel(-1.0));
-        assert!(is_sentinel(f64::NAN));
         assert!(!is_sentinel(0.0));
         assert!(!is_sentinel(1234.5));
         assert!(!is_sentinel(0.001));