WSR 04-14-104



[ Filed July 7, 2004, 10:57 a.m. ]

Original Notice.

Preproposal statement of inquiry was filed as WSR 04-10-111.

Title of Rule and Other Identifying Information: Chapter 16-752 WAC, Noxious weed control, this proposal adds several species, including: Crassula helmsii, Sagittaria platyphylla, Trapa bicornus, Polygonum cuspidatum, Polygonum polystachyum, Polygonum sachalinense, and Polygonum x bohemicum to the current quarantine. The proposal also rewrites WAC 16-752-500 to increase its clarity and readability.

Hearing Location(s): Washington State Department of Agriculture, 1111 Washington Street S.E., Natural Resources Building, 2nd Floor, Conference Room 205, Olympia, WA 98504-2560, on August 19, 2004, at 2:00 p.m.

Date of Intended Adoption: September 2, 2004.

Submit Written Comments to: Henri Gonzales, P.O. Box 42560, Olympia, WA 98504-2560, e-mail, fax (360) 902-2094, by August 19, 2004.

Assistance for Persons with Disabilities: Contact Henri Gonzales by August 5, 2004, TTY (360) 902-1996.

Purpose of the Proposal and Its Anticipated Effects, Including Any Changes in Existing Rules: This proposal adds the following species to the current wetland and aquatic weed quarantine (WAC 16-752-505): Crassula helmsii (Australian swamp stonecrop), Sagittaria platyphylla (delta arrowhead), and Trapa bicornus (water caltrap, devil's pod, bat nut). In addition, this proposal adds the following species to the current noxious weed seed and plant quarantine (WAC 16-752-610): Polygonum cuspidatum (Japanese knotweed), Polygonum polystachyum (Himalayan knotweed), Polygonum sachalinense (giant knotweed), and Polygonum x bohemicum (Bohemian knotweed, a hybrid of Japanese and giant knotweed). The proposal also rewrites WAC 16-752-500 to increase its clarity and readability. The purpose of enacting these and other quarantines is to prevent the establishment and spread of harmful nonnative species. Once established, they can have a serious impact on Washington's natural resources by displacing native species, altering habitat, reducing recreational use of waterways, and impacting agricultural production.

Reasons Supporting Proposal: The intrusion into this state of nonnative, invasive weed species continues to be a concern. The spread of these weeds presents a risk to the economic well-being of the agricultural, forest, horticultural, and floricultural industries, and the environmental quality and natural resources of the state. Initiating quarantines forbidding entry or distribution of weed species may be critical for their exclusion or control. The Washington Noxious Weed Control Board, as authorized in chapter 17.10 RCW, supports this proposal.

Statutory Authority for Adoption: Chapters 17.10, 17.24 and 34.05 RCW.

Statute Being Implemented: Chapters 17.10 and 17.24 RCW.

Rule is not necessitated by federal law, federal or state court decision.

Name of Proponent: Washington State Department of Agriculture, governmental.

Name of Agency Personnel Responsible for Drafting: Mary Toohey, 1111 Washington Street S.E., Olympia, WA 98504-2560, (360) 902-1907; Implementation and Enforcement: Tom Wessels, 1111 Washington Street S.E., Olympia, WA 98504-2560, (360) 902-1984.

No small business economic impact statement has been prepared under chapter 19.85 RCW. RCW 19.85.030 (1)(a) requires that an agency must prepare a small business economic impact statement (SBEIS) for proposed rules that impose a more than minor cost on businesses in an industry. Analysis of the economic effects of the proposed rule amendments demonstrate that the changes will not be more than a minor cost on the regulated industry and, therefore, an SBEIS is not required. However, failure to adopt these changes may have a large impact on the regulated industry.

A cost-benefit analysis is not required under RCW 34.05.328. The Washington State Department of Agriculture is not a listed agency under RCW 34.05.328 (5)(a)(i).

July 7, 2004

Mary A. Martin Toohey

Assistant Director


AMENDATORY SECTION(Amending WSR 01-01-014, filed 12/6/00, effective 1/6/01)

WAC 16-752-500   Establishing wetland and aquatic weed quarantine.   Washington waters and wetlands are threatened by nonnative, aggressive weeds that destroy the commercial, aesthetic, fish and/or wildlife habitat, and recreational value of these areas. ((African elodea, Brazilian elodea (or egeria), Eurasian watermilfoil, fanwort, slender-leaved naiad, hydrilla and water chestnut (a different species from the food "water chestnut" commonly sold in grocery stores) are submersed, rooted species that can invade shallow to deep water. Parrotfeather, water primrose, and yellow floating heart are rooted plants that invade shallow water and aquatic margins. European frogbit and swollen bladderwort are freely floating species.)) These rooted or freely floating plant species, when established, form dense stands or mats that ((will)) clog irrigation systems and waterways, displace native species, alter fish and wildlife habitat, and/or seriously impact recreational use of the waterways.

((Garden loosestrife, hairy willow herb, grass-leaved arrowhead, mud mat, marsh dew flower and flowering rush are rooted plants which invade wetlands, shallow water and aquatic margins. When established, their dense stands displace native vegetation and harm wildlife habitat.

Salt meadow)) Several species of Spartina, generally known as cordgrasses, ((common cordgrass, and smooth cordgrass are noxious)) are nonnative, highly aggressive weeds that have invaded salt water estuarine areas on the Washington coast, displacing native species((,)) and threatening bird and mammal habitats and the shellfish industry. ((Dense-flowered cordgrass, a closely related species, has potential to duplicate this invasion.))

The director of agriculture, pursuant to the powers provided in chapters 17.10, 15.13 and 17.24 RCW, finds that the regulation and exclusion of these plants and plant parts are necessary to preserve Washington waters and wetlands, both fresh water and estuarine, from new or additional infestation. These requirements and restrictions, contained in WAC 16-752-500 through 16-752-525, are in addition to the requirements contained in WAC 232-12-271, "Criteria for planting aquatic plants and releasing wildlife," administered by the Washington state department of fish and wildlife.

[Statutory Authority: Chapters 17.24, 17.10, and 15.13 RCW. 01-01-014, 16-752-500, filed 12/6/00, effective 1/6/01. Statutory Authority: RCW 17.10.235 and chapter 17.24 RCW. 92-07-024, 16-752-500, filed 3/10/92, effective 4/10/92.]

AMENDATORY SECTION(Amending WSR 01-01-014, filed 12/6/00, effective 1/6/01)

WAC 16-752-505   Wetland and aquatic weed quarantine -- Regulated articles.   All plants and plant parts of the following are regulated articles under this chapter:

Scientific Name Common Name
Butomus umbelatus flowering rush
Cabomba caroliniana fanwort
Crassula helmsii Australian swamp stonecrop
Egeria densa Brazilian elodea
Epilobium hirsutum hairy willow herb
Glossostigma diandrum mud mat
Hydrilla verticillata hydrilla
Hydrocharis morsus-ranae European frog-bit
Lagarosiphon major African elodea
Ludwigia hexapetala water primrose
Lysimachia vulgaris garden loosestrife
Murdannia keisak marsh dew flower, Asian spiderwort
Myriophyllum aquaticum parrotfeather
Myriophyllum spicatum Eurasian watermilfoil
Najas minor slender-leaved naiad, brittle naiad
Nymphoides peltata yellow floating heart
Sagittaria graminea grass-leaved arrowhead
Sagittaria platyphylla delta arrowhead
Spartina alterniflora smooth cordgrass
Spartina anglica common cordgrass
Spartina densiflora dense-flowered cordgrass
Spartina patens salt meadow cordgrass
Trapa natans water chestnut, bull nut
Trapa bicornus water caltrap, devil's pod, bat nut
Utricularia inflata swollen bladderwort

[Statutory Authority: Chapters 17.24, 17.10, and 15.13 RCW. 01-01-014, 16-752-505, filed 12/6/00, effective 1/6/01. Statutory Authority: RCW 17.10.235 and chapter 17.24 RCW. 92-07-024, 16-752-505, filed 3/10/92, effective 4/10/92.]

AMENDATORY SECTION(Amending WSR 02-12-030, filed 5/29/02, effective 6/29/02)

WAC 16-752-610   Noxious weed seed and plant quarantine -- Regulated articles.   All plants, plant parts, and seeds in packets, blends, and "wildflower mixes" of the following listed species are regulated under the terms of this noxious weed seed and plant quarantine:

Scientific Name Common Names
Abutilon theophrasti velvetleaf
Alliaria petiolata garlic mustard
Amorpha fruticosa indigobush, lead plant
Anchusa officinalis common bugloss, alkanet, anchusa
Anthriscus sylvestris wild chervil
Carduus acanthoides plumeless thistle
Carduus nutans musk thistle, nodding thistle
Carduus pycnocephalus Italian thistle
Carduus tenuiflorus slenderflower thistle
Centaurea calcitrapa purple starthistle
Centaurea diffusa diffuse knapweed
Centaurea jacea brown knapweed, rayed knapweed, brown centaury horse-knobs, hardheads
Centaurea jacea x nigra meadow knapweed
Centaurea biebersteinii spotted knapweed
Centaurea macrocephala bighead knapweed
Centaurea nigra black knapweed
Centaurea nigrescens Vochin knapweed
Chaenorrhinum minus dwarf snapdragon
Crupina vulgaris common crupina
Cytisus scoparius Scotch broom
Daucus carota wild carrot, Queen Anne's lace
Echium vulgare blueweed, blue thistle, blue devil, viper's bugloss, snake flower
Euphorbia esula leafy spurge
Euphorbia oblongata eggleaf spurge
Galega officinalis goatsrue
Helianthus ciliaris Texas blueweed
Heracleum mantegazzianum giant hogweed, giant cow parsnip
Hibiscus trionum Venice mallow, flower-of-an-hour, bladder ketmia, modesty, shoo-fly
Hieracium aurantiacum orange hawkweed, orange paintbrush, red daisy flameweed, devil's weed, grim-the-collier
Hieracium caespitosum yellow hawkweed, yellow paintbrush, devil's paintbrush, yellow devil, field hawkweed, king devil
Hieracium floribundum yellow devil hawkweed
Hieracium pilosella mouseear hawkweed
Impatiens glandulifera policeman's helmet
Isatis tinctoria dyers' woad
Kochia scoparia kochia, summer-cyprus, burning-bush, fireball, Mexican fireweed
Lepidium latifolium perennial pepperweed
Leucanthemum vulgare oxeye daisy, white daisy, whiteweed, field daisy, marguerite, poorland flower
Linaria dalmatica spp.dalmatica Dalmatian toadflax
Mirabilis nyctaginea wild four o'clock, umbrella-wort
Onopordum acanthium Scotch thistle
Polygonum cuspidatum Japanese knotweed
Polygonum polystachyum Himalayan knotweed
Polygonum sachalinense giant knotweed
Polygonum x bohemicum Bohemian knotweed, Japanese and giant knotweed hybrid
Proboscidea louisianica unicorn-plant
Pueraria montana var. lobata kudzu
Salvia aethiopis Mediterranean sage
Salvia pratensis meadow clary
Salvia sclarea clary sage
Senecio jacobaea tansy ragwort
Silybum marianum milk thistle
Solanum elaeagnifolium silverleaf nightshade
Solanum rostratum buffaloburr
Soliva sessilis lawnweed
Sorghum halepense johnsongrass
Spartium junceum Spanish broom
Tamarix ramosissima saltcedar
Thymelaea passerina spurge flax
Torilis arvensis hedgeparsley
Ulex europaeus gorse, furze
Zygophyllum fabago Syrian bean-caper

[Statutory Authority: Chapters 17.24, 17.10, 15.13 RCW. 02-12-030, 16-752-610, filed 5/29/02, effective 6/29/02. Statutory Authority: Chapters 17.24, 17.10 RCW. 00-24-021, 16-752-610, filed 11/28/00, effective 12/29/00; 98-13-008, 16-752-610, filed 6/4/98, effective 7/5/98. Statutory Authority: Chapters 17.10 and 17.24 RCW. 92-07-025, 16-752-610, filed 3/10/92, effective 4/10/92.]

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