Mill History
This famous paper company built the Port Townsend mill, starting operations in 1928.
Who is Crown Zellerbach?
This large body of water is the final destination for our treated effluent (Outfall 001).
What is Port Townsend Bay?
Because we don't use bleach, our paper is famous for being this color.
What is Brown?
The number of employees who work at PTPC (+/- 100).
What is 400?
The required PPE for your eyes when walking through the mill.
What are Safety Glasses (or Side Shields)?
Before steel pipes were installed, the original 28-mile water pipeline from the Quilcene River was made of this material.
What is Wood (or Wood Staves)?
The "A" in "ASB" stands for this crucial process of adding oxygen to the water.
What is Aerated (Aerated Stabilization Basin)?
Port Townsend Paper produces enough of this recycled material to fill a football field 10 feet deep every week.
What is OCC (Old Corrugated Containers / Cardboard)?
The temperature limit (in Celsius) for our discharge, as seen on the "DCS Screen."
What is 21°C?
The "Smell of Money" is actually caused by these compounds being released during the kraft process.
What are Sulfur compounds (TRS/Mercaptans)?
The mill’s pulp brand, "Olympic," shares its name with this mountain range that provides our water.
What are the Olympic Mountains?
These "microscopic employees" do the actual work of eating the waste in the ASB.
What are Bacteria (or Microbes/Bugs)?
This common fast-food item is frequently delivered in boxes made from our unbleached kraft paper.
What is a Pizza?
The year the mill officially began operations.
What is 1928?
This acronym "PPE" stands for...
What is Personal Protective Equipment?
The "Kraft" in "Kraft Pulping" comes from the German word for this physical property.
What is Strong (or Strength)?
Per our permit, the ____ of our discharge must remain between 6.0 and 9.0.
What is pH?
The mill uses this massive piece of equipment to separate sludge from water before it goes to the ASB.
What is a Clarifier?
The mill site covers roughly this many acres.
What is 450?
The "OGWS" is the lifeline of the mill; it stands for this.
What is the Olympic Gravity Water System?
During WWII, the mill produced this specific type of paper used for shipping cement and heavy supplies.
What is Multi-wall Bag Paper (or Sack Paper)?
This 5-letter acronym stands for the federal permit system that regulates our discharge.
What is NPDES? (National Pollutant Discharge Elimination System)
PTPC recycles approximately this many million pounds of cardboard per year.
What is 250 Million (accept 200-300 million)?
The distance (in miles) water travels from the Big Quilcene River to reach the mill.
What is 28 to 30 miles?
One of the most critical safety tests for entering a tank or vessel is checking for this gas, known as the "Silent Killer."
What is H2S (Hydrogen Sulfide)?