diff --git a/.gitignore b/.gitignore
index 0aca069..701b6ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -162,3 +162,4 @@ cython_debug/
 #.idea/
 /R
 .swp
+/test
diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app.py b/app.py
index 7a591fb..6086aa2 100755
--- a/app.py
+++ b/app.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 
 from datetime import date
+import os
 from flask import Flask, render_template, session, request, abort, redirect, url_for, jsonify
 from flask_sqlalchemy import SQLAlchemy
 from sqlalchemy import inspect, and_
@@ -8,6 +9,9 @@ from flask_wtf import FlaskForm
 import bcrypt
 from wtforms_alchemy import model_form_factory
 from flask_migrate import Migrate
+from uuid import uuid4
+import csv
+from validate import validate_insertion_csv_fields, validate_query_csv_fields
 
 app = Flask(__name__)
 app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///project.db"
@@ -51,8 +55,10 @@ class Admin(db.Model):
 
     @classmethod
     def authorize(cls):
-        if not session.get('admin'):
+        if "admin" not in session:
             return redirect(url_for("admin_login"))
+        else:
+            return None
 
 
 def object_as_dict(obj):
@@ -153,7 +159,8 @@ def admin_login():
 
 @app.route('/admin/logout', methods=['GET'])
 def admin_logout():
-    session.pop('admin')
+    if "admin" in session:
+        session.pop('admin')
     return redirect(url_for('home'))
 
 
@@ -252,12 +259,12 @@ def search_api():
                          Chemical.final_mz > mz_min)
         rt_filter = and_(rt_max > Chemical.final_rt,
                          Chemical.final_rt > rt_min)
-        date_filter = date(year_max, month_max, day_max) >= Chemical.createdAt
+        # date_filter = date(year_max, month_max, day_max) >= Chemical.createdAt
     except ValueError as e:
         return jsonify({"error": str(e)}), 400
 
     result = Chemical.query.filter(
-        and_(mz_filter, rt_filter, date_filter)
+        and_(mz_filter, rt_filter)
     ).limit(20).all()
 
     data = []
@@ -267,6 +274,88 @@ def search_api():
     return jsonify(data)
 
 
+# Utilities for doing add and search operations in batch
+# no file over 3MB is allowed.
+app.config['MAX_CONTENT_LENGTH'] = 3 * 1000 * 1000
+
+
+@app.route("/chemical/batchadd", methods=["GET", "POST"])
+def batch_add_request():
+    if not session.get('admin'):
+        abort(403)
+    if request.method == "POST":
+        if "csv" not in request.files or request.files["csv"].filename == '':
+            return render_template("batchadd.html", invalid="Blank file included")
+        # save the file to RAM
+        file = request.files["csv"]
+        os.makedirs("/tmp/walkerdb", exist_ok=True)
+        filename = os.path.join("/tmp/walkerdb", str(uuid4()))
+        file.save(filename)
+        # perform cleanup regardless of what happens.
+        def cleanup(): return os.remove(filename)
+        # read it as a csv
+        with open(filename, "r") as csvfile:
+            reader = csv.DictReader(csvfile)
+            results, error = validate_insertion_csv_fields(reader)
+            if error:
+                cleanup()
+                return render_template("batchadd.html", invalid=error)
+            else:
+                chemicals = [Chemical(**result) for result in results]
+                db.session.add_all(chemicals)
+                db.session.commit()
+                cleanup()
+                return render_template("batchadd.html", success=True)
+    else:
+        return render_template("batchadd.html")
+
+
+@app.route("/chemical/batch", methods=["GET", "POST"])
+def batch_query_request():
+    if not session.get('admin'):
+        abort(403)
+    if request.method == "POST":
+        if "csv" not in request.files or request.files["csv"].filename == '':
+            return render_template("batchadd.html", invalid="Blank file included")
+        # save the file to RAM
+        file = request.files["csv"]
+        os.makedirs("/tmp/walkerdb", exist_ok=True)
+        filename = os.path.join("/tmp/walkerdb", str(uuid4()))
+        file.save(filename)
+        # perform cleanup regardless of what happens.
+        def cleanup(): return os.remove(filename)
+        # read it as a csv
+        with open(filename, "r") as csvfile:
+            reader = csv.DictReader(csvfile)
+            queries, error = validate_query_csv_fields(reader)
+            if error:
+                cleanup()
+                return render_template("batchquery.html", invalid=error)
+            else:
+                # generate the queries here.
+                data = []
+                for query in queries:
+                    mz_filter = and_(query["mz_max"] > Chemical.final_mz,
+                                     Chemical.final_mz > query["mz_min"])
+                    rt_filter = and_(query["rt_max"] > Chemical.final_rt,
+                                     Chemical.final_rt > query["rt_min"])
+                    # date_filter = query["date"] >= Chemical.createdAt
+                    result = Chemical.query.filter(
+                        and_(mz_filter, rt_filter)
+                    ).limit(5).all()
+                    hits = []
+                    for x in result:
+                        hits.append({"url": url_for("chemical_view", id=x.id),
+                                    "name": x.name, "mz": x.final_mz, "rt": x.final_rt})
+                    data.append(dict(
+                        query=query,
+                        hits=hits,
+                    ))
+                cleanup()
+                return render_template("batchquery.html", success=True, data=data)
+    return render_template("batchquery.html")
+
+
 @app.route("/search")
 def search():
     return render_template("search.html")
diff --git a/templates/admin.html b/templates/admin.html
index 51419d2..ecd3ab7 100644
--- a/templates/admin.html
+++ b/templates/admin.html
@@ -12,6 +12,16 @@
                 Add a Chemical
             </button>
         </a>
+        <a href="{{url_for('batch_add_request')}}">
+            <button>
+                Batch Add Chemicals
+            </button>
+        </a>
+        <a href="{{url_for('batch_query_request')}}">
+            <button>
+                Batch Search Chemicals
+            </button>
+        </a>
         <h2>Admin Authentication</h2>
         <p>
             Since there is now an admin, only admins can create new admin accounts. You can do so through the <code>/admin/create</code>
diff --git a/templates/batch.html b/templates/batch.html
new file mode 100644
index 0000000..e69de29
diff --git a/templates/batchadd.html b/templates/batchadd.html
new file mode 100644
index 0000000..ecac506
--- /dev/null
+++ b/templates/batchadd.html
@@ -0,0 +1,21 @@
+{% extends "base.html" %}
+
+{% block content %}
+<h2>Batch Upload Chemicals</h2>
+<a href="https://git.junickim.me/junikimm717/walker-database/raw/master/validate.py"> Source Code with required type definitions </a>
+
+<form method="post" enctype="multipart/form-data">
+    <label for="csv">CSV: </label>
+    <input type="file" name="csv">
+    <input type="submit" value="Submit">
+</form>
+
+{% if invalid %}
+<p style="color: red;">Data Points are Incorrectly added: {{invalid}}</p>
+{% endif %}
+
+{% if success %}
+<p style="color: green;">Success!</p>
+{% endif %}
+
+{% endblock %}
diff --git a/templates/batchquery.html b/templates/batchquery.html
new file mode 100644
index 0000000..edc958e
--- /dev/null
+++ b/templates/batchquery.html
@@ -0,0 +1,47 @@
+{% extends "base.html" %}
+
+{% block content %}
+<h2>Batch Query Chemicals</h2>
+<a href="https://git.junickim.me/junikimm717/walker-database/raw/master/validate.py"> Source Code with required type definitions </a>
+
+<form method="post" enctype="multipart/form-data">
+    <label for="csv">CSV: </label>
+    <input type="file" name="csv">
+    <input type="submit" value="Submit">
+</form>
+
+{% if invalid %}
+<p style="color: red;">Data Points are Incorrectly added: {{invalid}}</p>
+{% endif %}
+
+{% if success %}
+<p style="color: green;">Success!</p>
+{% for result in data %}
+<hr>
+<h2>Query {{loop.index}}</h2>
+<p>
+{{result.query.mz_min}} &lt; M/Z Ratio &lt; {{result.query.mz_max}},
+{{result.query.rt_min}} &lt; Retention Time &lt; {{result.query.rt_max}}
+</p>
+{% for hit in result.hits %}
+    <div>
+        <a href="{{hit.url}}">
+            <h3>{{hit.name}}</h3>
+        </a>
+        <table>
+            <tr>
+                <td>Retention Time</td>
+                <td>{{hit.rt}}</td>
+            </tr>
+            <tr>
+                <td>M/Z Ratio</td>
+                <td>{{hit.mz}}</td>
+            </tr>
+        </table>
+    </div>
+{% endfor %}
+{% endfor %}
+
+{% endif %}
+
+{% endblock %}
diff --git a/templates/create_chemical.html b/templates/create_chemical.html
index 69d9ac1..9749c09 100644
--- a/templates/create_chemical.html
+++ b/templates/create_chemical.html
@@ -28,4 +28,4 @@
     <input type="submit" value="Submit">
 </form>
 
-{% endblock %}
\ No newline at end of file
+{% endblock %}
diff --git a/validate.py b/validate.py
new file mode 100755
index 0000000..ea713c0
--- /dev/null
+++ b/validate.py
@@ -0,0 +1,118 @@
+import csv
+from datetime import date
+
+_required_fields = [
+    ("name",                "str"),
+    ("formula",             "str"),
+    ("mass",                "float"),
+
+    ("final_mz",            "float"),
+    ("final_rt",            "float"),
+]
+
+_optional_fields = [
+    ("chemical_db_id",      "str"),
+    ("library",             "str"),
+
+    ("pubchem_cid",         "int"),
+    ("pubmed_refcount",     "int"),
+    ("standard_class",      "str"),
+    ("inchikey",            "str"),
+    ("inchikey14",          "str"),
+
+    ("final_adduct",        "str"),
+    ("adduct",              "str"),
+    ("detected_adducts",    "str"),
+    ("adduct_calc_mz",      "str"),
+    ("msms_detected",       "yesno"),
+    ("msms_purity",         "float"),
+]
+
+_query_fields = [
+    ("rt_min",                "float"),
+    ("rt_max",                "float"),
+
+    ("mz_min",                "float"),
+    ("mz_max",                "float"),
+
+    #    ("year_max",                "int"),
+    #    ("day_max",                 "int"),
+    #    ("month_max",               "int"),
+]
+
+
+def _validate_type(field: str, value: str, t):
+    if t == "yesno":
+        l = value.strip().lower()
+        if l == "yes":
+            return True
+        elif l == "no":
+            return False
+        else:
+            raise ValueError(
+                f"Yes/No field {field} does not have a valid value {value}")
+    elif t == "int":
+        try:
+            return int(value)
+        except ValueError:
+            raise ValueError(
+                f"Integer field {field} does not have a valid value {value}")
+    elif t == "float":
+        try:
+            return float(value)
+        except ValueError:
+            raise ValueError(
+                f"Float field {field} does not have a valid value {value}")
+    elif t == "str":
+        return value
+    else:
+        raise ValueError("Impossible")
+
+
+def validate_insertion_csv_fields(reader: csv.DictReader) -> tuple[list[dict], str]:
+    chemicals: list[dict] = []
+    for row in reader:
+        chemical = {}
+        for field, t in _required_fields:
+            if field not in row:
+                return [], f"Required field \"{field}\" not present in csv"
+            try:
+                value = _validate_type(field, row[field], t)
+                chemical[field] = value
+            except ValueError as e:
+                return [], str(e)
+
+        for field, t in _optional_fields:
+            if field not in row:
+                continue
+            try:
+                value = _validate_type(field, row[field], t)
+                chemical[field] = value
+            except ValueError as e:
+                return [], str(e)
+        chemicals.append(chemical)
+    return chemicals, ""
+
+
+def validate_query_csv_fields(reader: csv.DictReader) -> tuple[list[dict], str]:
+    queries: list[dict] = []
+    for row in reader:
+        query = {}
+        for field, t in _query_fields:
+            if field not in row:
+                return [], f"Required field \"{field}\" not present in csv"
+            try:
+                value = _validate_type(field, row[field], t)
+                query[field] = value
+            except ValueError as e:
+                return [], str(e)
+
+        # year_max, month_max, day_max = query.get(
+        #    'year_max'), query.get('month_max'), query.get('day_max')
+        # try:
+        #    d = date(year_max, month_max, day_max)
+        #    query["date"] = d
+        # except ValueError as e:
+        #    return [], f"Invalid Date Value Provided for {month_max}/{day_max}/{year_max}"
+        queries.append(query)
+    return queries, ""