Attachment_2_Inventory_MORA_Hazardous_Waste_Disposal.pdf

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MORA HAZARDOUS WASTE DISPOSAL
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140P8326Q0054
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This is a Hazardous Waste Inventory document for Mount Rainier Operations Area (MORA), updated July 27, 2026, cataloging hazardous materials requiring disposal or management across seven sites.

The inventory encompasses hazardous waste at seven locations: Tahoma Woods (Deery Hot Applied Sealant asphalt materials totaling 27,000 pounds across 13 pallets and asbestos-containing materials measuring 500 square feet); Kautz Creek Maintenance Area (two 55-gallon drums of possible spent/activated carbon or anthrocite coal and one empty 250-gallon diesel fuel tank); Longmire L210 Garage Bay (approximately 200 ABC fire extinguishers, 18 transformers and generators, and one 55-gallon drum of used polypropylene glycol); Longmire Gas House (various transformers potentially containing PCBs totaling 17 units, compressed acetylene canisters in multiple sizes, sodium bisulfite and sodium bisulfate solutions, and used polypropylene glycol and ethyl glycol mixtures); Longmire HAZWASTE Storage (formaldehyde solution, mercury-containing products, F1 platform transformer, empty 500-gallon diesel fuel tank, hand sanitizer fluid, and various unknown liquids totaling approximately 6-8 ounces); Longmire Wastewater Treatment Plant (calcium hypochlorite, sulfuric acid, sodium fluoride in 25-pound bags, and approximately 1,700 test vials containing various reagents and solutions for water quality testing); and Narada Maintenance (one potential PCB-containing pole-mounted transformer and a hazardous chemical storage unit containing disintegrated sodium fluoride and diatomaceous earth). The inventory indicates specific quantities, unit measurements, and chemical component compositions for each material.

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Text version

(updated 07272026)

Site Location Material Components Unit Weight or Volume Quantity

1 Tahoma Woods

T-Woods (garbage collection area)

Deery Hot Applied Sealant Asphalt, distillates

(petroleum) & hydrotreated heavy naphthenic

Pallet 27K pounds (13 pallets)

Tahoma Woods Scrapyard Asbestos containing materials (ACMs)Asbestos (multiple sources) 10'x12'x5' Dumpster 500 square feet

2 Kautz Creek Maintenance

Area

Unknown 55 gal drums Possible spent/activated carbon or anthrocite coal.

55 gal drum 2

Kautz Boneyard Empty diesel fuel tank 250 gallon (empty) 1

3 Longmire L210 Garage Bay ABC Fire Extinguishers Mono-amonium phosphate, ammonium sulphate, dry chemical powder

3, 5, and 10 lbs approx 200

Transformers & Generators 18

Used Polypropylene Glycol 55 gallon drum 1

4 Longmire Gas House Unknown 55 gal drums Unknown 55 gallon drum 1

Used Polypropylene Glycol & Ethyl GlycolPropylene Glycol, Dipotassium Phosphate, Water

55 gallon drum 3

Pole mounted transformers Possibly contains PCBs (various sizes) 13

Platform transformer Possibly contains PCBs (various sizes) 1

Reclosure transformer Possibly contains PCBs 2

Rotophase Power Connector Possibly contains PCBs 1

Univar - Sodium Bisulfite 38% Sodium bisulfite 50 gal drum 1

Used Polypropylene Glycol & Ethyl GlycolPropylene Glycol, Dipotassium Phosphate, Water

55 gal drum 2

Acetylene Compressed Gas

Canisters

Acetylene 10 CF, 40 CF, 80 CF, and

150 CF (cubic feet) cylinders

Two 10 CF, six 40 CF, three

80 CF, nine 150 CF)

Polymer Ethlyene-Vinyl Acetate

Copolymer, Vinyl Acetate

Monomomer, water

55 gallon drum 1 Relocate from Paradise Waste Water Treatment Plant

Sodium bisulfate 38% Sodium bisulfate, water 50 gallon drum 1 Relocate from Paradise Waste Water Treatment Plant

5 Longmire HAZWASTE

Storage

Formalin (10% formaldehyde solution)

Formaldehyde, Methanol 1 gal liquid container Approx. 1 quart

Mercury (mercury-containing products)

Mercury Assorted containers

(some w/i old equipment)

Approx. 8 ou.

F1 Platform Transformer 1

Empty diesel fuel tank 500 gallon (empty) 1

Hand sanitizer fluid Isopropyl alcohol Approximatley 10 gal 1

Unknown Approximately 6-8 ounces

Cure & Seal 30% Acrylic

Polymer

Aromatic hydrocarbon, Stoddard solvent

5 gallon bucket 1

PourRite m-Endo Broth

Ampules

17 ampules (2 ML each) Approx. 34 mL

Unkown Liquid Unknown 5 gallon bucket 1

6 Longmire Wastewater

Treatment Plant (WWTP)

Calcium Hypochlorite (Granular

Chlorination tablets)

Calcium hypochlorite; 1-bromo-3-chloro-5; 5-dimethylhydantoin

50 lb plastic storage container

Approx. 40-45 lbs

Sulfuric Acid Water, sulfuric acid approximately 100 ml 1-500 ml bottle

Sodium Flouride (NaF) NaF 25 lb pags 3

AmVer Dilutent Reagent [used] Sodium hydroxide, sodium salicylate

16 ml vials (test tubes) 250 vials

Total Nitrogen Test N Tube Acid

Reagent [used]

Sodium pyrosulfite

(metabisulfite)

16 ml vials (test tubes) 600 vials

AmVer High Range Amonia Test

N Tube Reagent [used]

Sodium hydroxide (NaOH), sodium salicylate

(C2H2O2Na), demineralized water

16 ml vials (test tubes) 500 vials

Total Nitrogen Acid Solution [used]Sulfuric acid solution 16 ml vials (test tubes)/50 per box

Approx. 350 vials

MORA Hazardous Waste Inventory

Hazardous Chemical Storage

Unit (23'L by 9 'w by 9 feet H)

Contains disintegrated containers of Sodium

Flouride & Diatomeaceous

Earth; bags/pallets on contained diatomaceous earth; used vials of dilutent reagent, nitrogen acid reagent, and nitrogen acid solution.

Three-25 lb bags (NaF).

Approx. eight (8) -50 lb bags Diatomaceous

Earth. 16 mL vials pacakged in styrofoa containers of 50 each.

4 pallets Diatomaceous

Earth (20 bags per pallet)

7 Narada

Narada Maintenance

Transformer, cylindrical, pole-mounted

Potential PCBs Unknown 1

File details come from the government source that posted it. Updated .