The opinion of the court was delivered by: OBERDORFER
LOUIS F. OBERDORFER UNITED STATES DISTRICT JUDGE
Plaintiffs have filed a motion for partial summary judgment. Specifically, plaintiffs seek declaratory and injunctive relief invalidating defendants' decision to permit continued use of existing stocks of chlordane and heptachlor, under certain conditions, pursuant to the "Order Accepting Voluntary Cancellation and Authorizing Use of Existing Stocks with Limitations" ("Order Accepting Voluntary Cancellation"), dated October 1, 1987. Plaintiffs have also submitted a supplement to their motion for partial summary judgment in which they raise particular concerns regarding stocks of chlordane and heptachlor that are not subject to the conditions for use prescribed in the Order Accepting Voluntary Cancellation. A hearing was held on December 21, 1987, at which both parties advanced arguments on this issue, among others.
The EPA Order Accepting Voluntary Cancellation supplements the Memorandum of Understanding reached in August, 1987 by the EPA and Velsicol, the United States' sole manufacturer of chlordane and heptachlor. Under the August agreement, Velsicol pledged to cease production of chlordane and heptachlor. That agreement, however, permitted the continued use of existing stocks of those termiticides subject only to the conditions for application found on then-current product labels.
The October Order Accepting Voluntary Cancellation reflects a supplemental settlement reached between the EPA and Velsicol regarding the use of existing stocks of chlordane and heptachlor left unaffected by the August agreement. The October agreement provides for a gradual restriction of use of these termiticides until April 15, 1988, after which time use of the remaining stocks shall be prohibited altogether. The EPA maintains that it entered the agreement after making a finding, pursuant to § 6(a) of the Federal Insecticide, Fungicide, and Rodenticide Act ("FIFRA"), 7 U.S.C. § 136d(a), that the implementation of a settlement permitting the
sale or use [of the existing chlordane termiticide stocks] is not inconsistent with the purposes of [FIFRA] and will not have unreasonable adverse effects on the environment.
7 U.S.C. § 136d(a)(1) (1980); see Order Accepting Voluntary Cancellation at 5. FIFRA defines the term "unreasonable adverse effects on the environment" to signify "any unreasonable risk to man or the environment, taking into account the economic, social, and environmental costs and benefits of the use of any pesticide." 7 U.S.C. § 136(bb) (1980).
Plaintiffs report, and defendants concede, that the restrictions on use of existing stocks established in the October Order Accepting Voluntary Cancellation have been applied, at the direction of the EPA, only to products bearing Velsicol registration numbers. Plaintiffs note that, although until August of 1987 Velsicol produced all of the chlordane and heptachlor manufactured in the United States, other manufacturers have reformulated Velsicol chlordane into commercial termiticide products that are registered with the EPA under their own individual registration numbers. Hence, plaintiffs contend, the Order Accepting Voluntary Cancellation fails to restrict or even to address the continued use of a potentially vast inventory of chlordane currently marketed under non-Velsicol registration numbers.
Plaintiffs argue that defendants' failure to regulate the use of non-Velsicol chlordane products under the October agreement further supports plaintiffs' motion for partial summary judgment. Plaintiffs emphasize the fact that the EPA adopted the agreement on the strength of the agency's finding under 7 U.S.C. § 136d(a)(1) that continued use of existing chlordane stocks purportedly "[would] not [be] inconsistent with the purposes of [FIFRA] and [would] not have unreasonable adverse effects on the environment." Accordingly, plaintiffs reason, because that finding was in fact made without considering the quantity of chlordane remaining in stockpiles controlled by non-Velsicol registrants, the agency's decision to permit continued use of the chlordane stocks under the agreement constituted arbitrary and capricious action.
Defendants admit that a number of non-Velsicol chlordane registrants remain free, under the October agreement, to market and apply the termiticides in a manner inconsistent with the conditions for use that that agreement imposes upon Velsicol-registered stocks. Defendants argue, however, that the chlordane registered under non-Velsicol reformulator registrations comprises only five to eight percent of the total volume of chlordane distributed, and thus, according to defendants, of the chlordane remaining in existing stocks. See Defendants' Response to Plaintiffs' Supplement to Motion for Partial Summary Judgment ("Defendants' Response to Plaintiffs' Supplement") at 3; see also Supplemental Affidavit of James V. Roelofs ("Roelofs Affidavit") at para. 13.
Defendants contend that the reformulator registrations represent "a very small portion of the chlordane market," Roelofs Affidavit at para. 13; consequently, defendants argue, the agency's decision to ignore those non-Velsicol stocks cannot be characterized as arbitrary or capricious. Yet at no place in defendants' pleadings nor in the arguments they advanced during the hearing on December 21, 1987 has the EPA revealed its estimate of the actual amount of chlordane, either bearing Velsicol registrations or not, that remains in existing stocks. Indeed, defendants protest that "the Agency cannot know with certainty the precise volume of existing stocks of the cancelled and suspended products under the non-Velsicol reformulator registrations." Roelofs Affidavit at para. 10. It means little for the EPA to assert that the non-Velsicol registered chlordane represents only 5 % of a volume of chlordane remaining in existing stocks so long as that total volume remains unidentified.
The EPA defends its decisions in August and in October to permit the continued use of existing chlordane stocks under Velsicol registrations as resting on an agency determination under 7 U.S.C. § 136d(a) (1) that such use is consistent with the purposes of FIFRA. Moreover, defendants maintain, the EPA has determined under § 136d(a)(1) that the use of those existing stocks with non-Velsicol reformulator registrations is consistent with the Act. See Defendants' Response to Plaintiffs' Supplement at 3.
Defendants support this assertion with the supplemental affidavit of Edwin F. Tinsworth, Director of the EPA's Registration Division of the Office of Pesticide Programs ("Tinsworth Affidavit"). Tinsworth describes the EPA's policy of accepting non-Velsicol registrants' voluntary cancellations in exchange for agency authorization to continue to sell and distribute existing stocks of the cancelled registrant's chlordane products for one year. See Tinsworth Affidavit at 1-2. Tinsworth reports that the difficulty of cancelling these registrations through ordinary, non-voluntary agency procedures, which do not include an automatic grant of a one-year grace period, prompted his conclusion that "the sale and use of existing stocks on non-Velsicol chlordane and heptachlor products will not cause unreasonable adverse effects on the environment." Id. at 4. Tinsworth claims that "this finding is consistent with the Agency's obligations under FIFRA Section 6(a)(1)." Id. at 4-5.
Tinsworth's conclusion favoring the EPA's policy of exchanging use authorization on existing stocks for voluntary cancellations from non-Velsicol reformulator registrants does not satisfy the agency's obligation ...