Identify Issues In Counterparty Contribution Claim

---
name: identify-issues-in-counterparty-contribution-claim
task_id: environmental-esg/identify-issues-in-counterparty-contribution-claim
description: Guides preparation of an environmental contribution-claim issues memorandum by systematically identifying legal, factual, procedural, and damages weaknesses in the opposing party's claim against the client.
activates_for: [planner, solver, checker]
---

# Skill: Identify Issues in Counterparty CERCLA Contribution Claim — Issue Memorandum

## 2. Failure modes the skill is correcting

- Baseline describes the counterparty's claim without testing each element the claimant must prove under the asserted CERCLA contribution theory and whether the source record supports it.
- Baseline identifies isolated weaknesses but does not tie them to the operative settlement posture, contribution bar, limitations trigger, or recoverable-cost rules.
- Baseline does not use the source materials to pressure-test the claimant’s allocation position, including how site history, waste handling, and the client’s own conduct may be used for or against the client.
- Baseline conflates contribution with direct cost recovery and does not distinguish standing, scope, timeliness, and damages consequences.
- Baseline states problems without closing them against the documents, the governing authority, and the practical consequence for the client.

## 3. Legal frameworks / domain conventions that apply

- CERCLA contribution framework: analyze the asserted claim under the governing contribution provision, including whether the plaintiff has a qualifying trigger to sue and whether the claim targets costs within the statute’s scope. Cite the operative statutory provision and any controlling case law identified in the record or commonly applied in practice.
- Standing and trigger to sue: verify the prior resolution, settlement, consent decree, or equivalent procedural posture that supports contribution standing, and test whether the asserted trigger actually covers the claimed costs. Cite the controlling statutory section and any governing authorities.
- Contribution bar and settlement effects: assess whether a prior settlement creates a bar or limits the claim against the client, and whether the client’s own settlement or decree provides protection, offset, or allocation leverage. Cite the applicable CERCLA settlement-bar provision and any controlling authority.
- Equitable allocation: courts allocate response costs equitably among responsible parties using site-specific factors such as waste type, quantity, toxicity, degree of involvement, care, cooperation, and other fairness considerations. Cite CERCLA’s equitable-allocation framework and any controlling case law used in the record.
- Recoverable costs: test whether the claimed expenses are the type and scope of response costs recoverable under the asserted theory and whether the documentation matches the claimed categories.
- Limitations: assess timeliness using the limitations trigger that applies to the asserted CERCLA claim type, and measure filing or accrual dates against the source chronology. Cite the applicable statutory limitations provision and any governing authority.
- Proof and documentation conventions: evaluate whether the claimant has admissible support for its allocation theory, costs, and causation narrative from the materials produced, including settlement papers, invoices, internal summaries, agency correspondence, and allocation reports.

## 4. Analytical scaffolds

- Begin by identifying the claimant’s exact theory, then map the required elements: qualifying trigger to sue, covered response costs, causal or equitable nexus, limitations compliance, and any settlement-bar or offset issues.
- For each element, ask: what document proves it, what document undermines it, what legal authority governs it, and what consequence follows if the claimant fails.
- Treat the claimant’s prior settlement, consent decree, or comparable resolution as both a potential basis for standing and a potential limit on the scope of the claim.
- Treat the client’s own settlement history, contractual assumptions, notices, and regulatory interactions as possible shields, offsets, or allocation evidence; assess both their benefits and their vulnerabilities.
- When the record contains more than one site period, cost tranche, responsible party, or settlement event, enumerate them before analysis and analyze each separately rather than collapsing them into a single generalized conclusion.
- For each allocation factor, identify the specific source documents that help or hurt the claimant, explain the methodological weakness in the claimant’s approach, and state how that weakness affects apportionment or settlement leverage.
- For each recoverability issue, distinguish between costs that are facially within CERCLA response-cost concepts and costs that are unsupported, duplicative, indirect, or outside the asserted legal theory.
- For each identified weakness, close the point by tying it to a document-based quantity or timeline from the record, a cross-document interaction, and the downstream litigation or negotiation consequence.
- Use an ordinal severity label for every issue and define the scale once at the top of the memo.
- End with a recommended-actions section that turns the analysis into concrete next steps, each with an action verb, owner, and timing anchor.

## 5. Vertical / structural / temporal relationships

- Prior resolution as both shield and sword: a claimant’s earlier settlement may create standing while simultaneously narrowing the costs or parties it can pursue; the client’s own settlement may produce protection, offset, or bargaining leverage.
- Settlement chronology: reconcile the dates of agency action, consent decrees, private settlements, payment events, and filing dates to test limitations, contribution-bar timing, and any release language.
- Allocation methodology: compare the claimant’s expert assumptions against site records, transaction history, operating practices, and waste-characterization evidence to identify skewed or incomplete allocation inputs.
- Asset acquisition or successor issues: if the client acquired assets or operations, assess what liabilities were assumed, excluded, or conditionally preserved because those terms can affect responsible-party status and equitable allocation.
- Cost-category layering: separate direct response costs, settlement payments, consultants’ fees, investigative expenses, and administrative overhead to test whether the claimant is overbroadly aggregating recoverable and nonrecoverable items.

## 6. Output structure conventions

- Write the memo as a conventional issues memorandum with a short executive overview, a severity legend, a threshold-issues section, a merits section organized by legal and equitable issues, a cost/recoverability section, a damages or allocation section, and a recommendations section.
- List each issue as a discrete entry with: severity, issue heading, governing authority, short statement of weakness, source support and contrary material, document-based scale or timing reference, cross-document interaction, client consequence, and recommended response.
- Do not merely summarize the claimant’s allegations; frame each point as a weakness in the claim against the client and explain why it matters under the governing rule.
- Use controlling authority by name and section when stating legal propositions; do not assert legal conclusions without identifying the rule that supports them.
- If the source materials do not support a point, say so expressly and note the litigation or negotiation implication.
- Finish with a Recommended Actions block that uses imperative verbs, assigns the responsible role, and ties each task to a deadline, milestone, or immediate litigation need.
- Deliver the memo to the filename specified by the workflow.