OPINION
In this case we are asked to review a determination by the District Court that an employee’s challenge to a denial of disability benefits under a plan adopted by an employer pursuant to the Employee Retirement Income Security Act (“ERISA”), 29 U.S.C. § 1001 et seq., is subject to the grievance procedure, including arbitration, contained in a separate collective bargaining agreement (the “CBA”) negotiated between the employer and its workers under the National Labor Relations Act, 29 U.S.C. § 151 et seq. While we recognize the strong policy considerations favoring arbitration of labor disputes, there is no right to arbitration of ERISA benefits under a CBA unless the ERISA benefits sought are either: (i) derived directly from an ERISA plan established and maintained by or incorporated into a CBA whose grievance procedure contains an arbitration clause, or (ii) created by a separate ERISA plan and that plan and/or the CBA provide that adverse benefit determinations by a plan administrator are subject to the CBA’s grievance procedure that in- *327 eludes arbitration. Because we hold that the benefits sought in this case are neither created by or incorporated into the CBA nor made subject to the CBA’s grievance procedure, we reverse the District Court’s order granting summary judgment to the union and those workers seeking disability benefits and denying summary judgment to the employer. We remand for further proceedings on the remaining claim consistent with this opinion.
I.
Plaintiffs-Appellees United Steelworkers of America, AFL-CIO-CLC (the “Union”), Lewis Griffin, George Hemmert, George Keddie, and Janice Scott (the “Individual Plaintiffs”), filed a two count complaint in the Eastern District of Pennsylvania against Defendants-Appellants Rohm and Haas Company (the “Company”) and Rohm and Haas Company Health and Welfare Plan (the “Plan”). The Individual Plaintiffs are employees at the Company’s Bristol, Pennsylvania facility and members of the Union, which represents the hourly production and mechanical employees at this facility. Count I of the Complaint sought to compel arbitration of four grievances filed by the Individual Plaintiffs to challenge the denial of disability benefits under the Plan, pursuant to the CBA between the Company and the Union covering the Bristol facility (the “Bristol CBA”). 1 Count II, in the alternative, alleged violations of Section 502 of ERISA, 29 U.S.C. § 1132(a)(1)(B) and (a)(8). At the inception of the case, the District Court ordered that the two counts be litigated separately and that discovery proceed initially on Count I only. Upon the filing of the parties’ crossmotions for summary judgment as to Count I only, the District Court granted the Plaintiffs’ motion for summary judgment and denied the Defendants’ motion for summary judgment, thus disposing of the case and rendering Count II of the Complaint moot. The Company and the Plan now appeal the District Court’s decision in its entirety.
A.
Each of the four Individual Plaintiffs sought to obtain either disability retirement or long term disability benefits from the Plan, and these benefits were denied by the Plan administrator. Following these denials, the Union submitted grievances pursuant to the Bristol CBA on behalf of the four Individual Plaintiffs, to which the Company failed to respond. The grievances of the four Individual Plaintiffs were filed between August 27, 2003 and October 8, 2004. The Union contends that each of the Individual Plaintiffs fully exhausted the grievance procedures or that any additional attempts to exhaust such procedures would have been futile. The Union demanded that these grievances be arbitrated in accordance with the Bristol CBA; however, the Company refused to arbitrate these grievances, arguing that any challenge to a denial of benefits under the Plan had to be made pursuant to the appeal procedure contained in the Plan itself.
On January 6, 2003, prior to the filing of the grievances on behalf of the four Individual Plaintiffs, the Union filed a site-wide grievance pursuant to the Bristol CBA (the “Site-Wide Grievance”) complaining that the “disability case management process” resulted in the termination or denial of disability benefits in a manner inconsis *328 tent with the Plan. 2 The Company has never responded to the Site-Wide Grievance, and the Union has never demanded arbitration of this grievance.
B.
“Article II-Recognition” of the Bristol CBA, effective May 8, 2000 to May 7, 2004, 3 provides that “[t]he provisions of this Agreement hereafter pertain only to the wages, hours, and working conditions of the ... employees.” Article V then establishes a five-step grievance procedure covering “[s]ueh questions arising under this Agreement as involve wages (other than general adjustments), individual base rates, hours of employment and working conditions which any employee may desire to discuss with the Company.” The final step of the grievance procedure states: “Should agreement not be reached [during the previous steps] ... then either party may submit the matter to arbitration as described in Article VI.”
Article VI on Arbitration provides that “[t]he sole responsibility of said arbitrator shall be to interpret the meaning of the Articles of this contract, and it in no way shall be construed that the arbitrator shall have the power to add to, subtract from, or modify in any way the terms of this Agreement.”
The Bristol CBA also contains an Article addressing the medical examinations of Union members:
ARTICLE XIX-MEDICAL EXAMINATIONS
1. All new employees must pass a Company medical examination.
2. Company medical examinations of employees or groups of employees shall be made from time to time. Should any examination disclose that a transfer to another department would be beneficial from a health standpoint, the employee will be consulted and the transfer considered. A transfer for this reason shall be with the concurrence of the Company and the Union and shall not be held in violation of the seniority provisions. Such exceptions are subject to periodic medical examinations.
3. Before any employee’s status is changed due to physical incapacity, he shall be entitled to a medical examination by an impartial physician should there be disagreement between the Company physician and the employee’s personal physician. When the Company physician and the employee’s personal physician disagree, and prior to the receipt of an impartial physician’s opinion, the employee will be placed on disability absence and be provided benefits under the provisions of the Sickness and Accident plan, provided no suitable reassign *329 ment is available. It shall be the Company’s and the Union’s goal to have such situations resolved as soon as possible.
4. When an employee feels he needs a medical examination, he will receive same upon a written request to the Labor Relations Manager. An employee’s physician may obtain from the Plant physician a written statement of medical findings.
5. Should it be determined by a medical examination that an employee is no longer able to do his regular work, then this employee shall be eligible for such other regular work that may be available and which he can perform satisfactorily. It in no way is understood that the Company must provide such work. Said employee shall receive the rate of the job to which he is transferred but may be eligible for wage rate protection as provided for under the provisions of the Disability Rate Protection Policy. 4
With the exception of the mention of the “Sickness and Accident plan” in Article XIX (3), the Bristol CBA does not contain any other reference to disability benefits.
The Plan, as amended and restated effective January 1, 2003, provides for disability income benefits 5 and other benefits for eligible employees of the Company, including non-union employees, and is not limited to Company locations covered by the Bristol CBA. The Plan is governed by ERISA and exists outside of and is independent from the Bristol CBA. The Union is not a signatory to the Plan, and there is no reference to the Bristol CBA or the Union throughout the Plan.
The Plan vests the Rohm and Haas Benefits Administrative Committee with “the sole discretion to interpret the Plan and decide any matters arising hereunder” and states that “[a]ny final determination by the Rohm and Haas Benefits Administrative Committee shall be binding on all parties.” Final determinations by the Rohm and Haas Benefits Administrative Committee “shall not be subject to de novo review and shall not be overturned unless proven to be arbitrary and capricious.... ”
The Plan establishes a detailed claims procedure by which an employee may seek to claim benefits and to appeal a denial of benefits. The claims procedure provides:
Any claim for Benefits under any of the Benefit Programs shall be made in accordance .with the procedures as set forth in the Applicable Contracts 6 or Summary Plan Description and in accordance with the procedure set forth below. Should there be a conflict between the procedures set forth in any Applicable Contract or Summary Plan Description and the procedures set forth below, the procedures set forth below shall control.
Pursuant to the claims procedure, a claimant seeking benefits under the Plan initially files a claim with the Claims Administrator. If a claimant receives an ad *330 verse benefit determination, he may then file an appeal with the Appeals Administrator, who is vested with final determination of adverse disability claims. The Plan requires the final notice of an adverse benefit determination to include “a statement of the Claimant’s right to bring an action under section 502(a) [29 U.S.C. § 1132(a)] of ERISA....” The Plan further provides that any claimant seeking to file a lawsuit must do so within ninety days of receipt of the adverse benefit determination or the commencement of the action will be barred. The Plan does not provide for arbitration at any step of the claims procedure.
C.
Upon examining these documents, the District Court found that the relevant provisions created an ambiguity as to whether the Individual Plaintiffs’ grievances were subject to arbitration under the Bristol CBA. The District Court then looked to the summaries of the collective bargaining negotiations for evidence of the parties’ intent, and found that, because disability benefits were the subject of negotiations between the Union and the Company over the past forty years, such benefits were encompassed under the agreement as “wages” and “working conditions.” Despite the fact that the Bristol CBA did not reference the Plan or provide any details regarding disability benefits, the District Court held that sufficient extrinsic evidence existed to show that the parties intended to incorporate the Plan into the Bristol CBA.
II.
Our Court has plenary review over the District Court’s order granting summary judgment as a matter of law.
7
Local 827, Int’l Bhd. of Elec. Workers v. Verizon N.J., Inc.,
We first recognize the strong federal policies that favor arbitration of labor disputes, which are largely premised upon the “arbitrator’s superior expertise in the mechanics of collective bargaining and collective bargaining agreements, greater understanding of the law of the shop, and greater efficiency in resolving labor disputes.”
Laborers’ Int’l Union v. Foster Wheeler Corp.,
*331 First, “arbitration is a matter of contract and a party cannot be required to submit to arbitration any dispute which he has not agreed so to submit.” Second, “in deciding whether the parties have agreed to submit a particular grievance to arbitration, a court is not to rule on the potential merits of the underlying claims.” Third, “where the contract contains an arbitration clause, there is a presumption of arbitrability in the sense that, ‘an order to arbitrate the particular grievance should not be denied unless it may be said with positive assurance that the arbitration clause is not susceptible of an interpretation that covers the asserted dispute. Doubts should be resolved in favor of coverage.’ ”
Lukens Steel Co. v. United Steelworkers,
A.
The parties devote much of their briefing to the issue of whether the arbitration clause is narrow or broad, and consequently whether the presumption of arbitrability arises. Relying on
Verizon
and
Trap Rock Industries, Inc. v. Local 825, International Union of Operating Engineers,
Cases holding that the arbitration clauses at issue are narrow have generally relied on language expressly limiting the scope of the clause to specific subject matter. For example, because the arbitration clause in
Verizon
specifically enumerated certain articles within the collective bargaining agreement that were subject to arbitration, the court held that the arbitration provision was narrow as it “clearly forecloses the possibility that other issues could be arbitrated by providing that the list is exclusive.”
We do not believe that the arbitration clause here explicitly forecloses the range of arbitrable subject matter. Although the arbitration clause limits the arbitrator’s power to interpreting the articles of the Bristol CBA, such a limitation on power is not an exclusion from arbitration of subject matter that is addressed in the Bristol CBA. Further, while the terms of the Bristol CBA and its grievance pro *332 cedure apply to wages, hours, and working conditions, such terms are themselves fairly expansive and encompass a variety of types of claims within their definitions. Read in its entirety, the Bristol CBA neither specifically excludes nor provides evidence of a purpose or intent to exclude categories of grievances from arbitration.
As such, the arbitration clause here is more akin to those arbitration clauses held to be broad.
See, e.g., Lukens Steel,
B.
Regardless of whether the arbitration clause is broad or narrow, however, arbitration is still a creature of contract and a court cannot call for arbitration of matters outside of the scope of the arbitration clause.
See AT & T Techs., Inc.,
Here, the scope of the Bristol CBA’s grievance procedure is limited to “[s]uch questions arising under this Agreement as involve wages (other than general adjustments), individual base rates, hours of employment and working conditions which any employee may desire to discuss with the Company shall be subject to adjustment.” Although we hold that the Bristol CBA’s arbitration clause is broad, the underlying basis for the grievance submitted through the Bristol CBA grievance procedure must still arise from some specific article of the Bristol CBA. The Bristol CBA does not, however, have an article devoted to disability benefits nor does it provide any sort of discussion as to the employees’ rights to or calculations regarding such benefits. Because there is no specific language addressing the employees’ rights to disability benefits, we cannot say that such benefits were provided for under the terms of the Bristol CBA.
The Union and the Individual Plaintiffs present two possible arguments for their claim that disability benefits may be the subject of the grievance procedure and thus arbitrable. First, the Union and the Individual Plaintiffs contend that disability benefits are considered “working conditions” and are thus included within the range of arbitrable subject matter. In support of this argument, the Union and the Individual Plaintiffs cite to cases that interpret “wages” and “conditions of employment” as used in the National Labor Relations Act
8
(“NLRA”) as encompassing
*333
employee benefits.
See NLRB v. Katz,
These cases are distinguishable, as the phrase “working conditions” is distinct from the phrase “conditions of employment.”
See In re Inland Steel,
We join with the courts that have defined “working conditions” as encompassing the physical surroundings of a worker at the place of employment. Thus, under the Bristol CBA, the terms “working conditions” and “wages” do not encompass disability benefits.
See also So. Ry. Co. v. Occupational Safety & Health Review Comm’n,
*334 Second, the Union and the Individual Plaintiffs argue that disability benefits are generally provided for under the Bristol CBA, and thus, disagreements over such benefits should be submitted through the Bristol CBA grievance procedure. In making this argument, the Union and the Individual Plaintiffs rely on the language from the Bristol CBA providing that where a grievance “involve[s] the interpretation of the contract, then either party may submit the matter to arbitration,” and providing that the grievance procedure applies to “questions arising out of this Agreement.”
The Union and the Individual Plaintiffs argue that the sole reference to the “Sickness and Accident plan” provides proof that the benefits were provided pursuant to the Bristol CBA. However, when reading Article XIX(3) regarding Medical Examinations in its entirety, the article contemplates a situation where an employee seeks to continue working in spite of a potential disability. The article states that an “employee
shall be entitled
to a medical examination” and that the employee may receive benefits under the “Sickness and Accident plan” only when “no suitable reassignment is available.” The situation contemplated is thus the reverse of that of the Individual Plaintiffs, who seek to extend their right to receive disability benefits.
10
Further, the mere reference to the “Sickness and Accident plan” without more does not incorporate the entire Plan into the Bristol CBA.
See RCA Corp. v. Local Int’l Fed’n of Profl and Technical Eng’rs,
C.
The employees’ right to receive disability benefits instead derives from the Plan, which sets forth detailed information concerning the qualifications for disability benefits, the types of benefits offered, and the calculations for determining the amount of benefits available. Pursuant to ERISA regulations, the Plan provides its own separate claims procedure and manner of appealing such decisions. See 29 U.S.C. § 1133; 29 C.F.R. § 2560.503-1 (2008).
Because the Plan provides the basis for the employees’ right to receive disability benefits, these rights cannot be said to result from any agreement entered into between the Union and the Company. This conclusion is further bolstered by the fact that the Company unilaterally changed the Plan on December 19, 2002, to be effective on January 1, 2003. The Company instituted these changes to the Plan during the period of the applicable Bristol *335 CBA (which was in effect from May 8, 2000 to May 7, 2004). Additionally, the Plan offers benefits that apply to Rohm and Haas workers other than those governed by the Bristol CBA — a further indicator that disability benefits were not the fruit of collective bargaining.
We do not purport to hold that benefits provided pursuant to ERISA can never be subject to the grievance or arbitration provision contained within a CBA. Indeed, the regulations governing ERISA specifically contemplate that an ERISA plan may be established or maintained pursuant to a CBA and set forth separate guidelines for such plans. 29 C.F.R. § 2560.503-1 (2008). Here, because the Plan does not reference the Bristol CBA, or vice versa, we conclude that there is no evidence that the ERISA plan was established or maintained pursuant to the Bristol CBA. As such, the benefits have been provided for under the Plan and initial claims or appeals over the denial of benefits must be submitted through the Plan’s procedure, which does not provide for arbitration.
As evidence that the Company has previously arbitrated issues over disability benefits, the Union and the Individual Plaintiffs refer the court to an arbitration over the denial of disability benefits that took place in Houston between Rohm & Haas Texas, Inc. and a local of the Paper Allied-Industrial, Chemical and Energy Workers International Union, dated May 5, 2005. However, a reading of the arbitrator’s decision makes clear that the matter was arbitrated pursuant to a provision contained in the ERISA plan itself, not pursuant to a grievance procedure established by the CBA. 11 As noted by the Arbitrator:
This is a case about the interpretation of an employee benefit plan. The Collective Bargaining Agreement is silent as to employee benefits and the administration thereof. In fact, all language regarding employee benefits is contained in the Company’s plan documents. As a *336 result, this case involves the interpretation and administration of these documents. This arbitration is governed by [ERISA]....
Thus, the ERISA plan covering the Rohm & Haas Texas, Inc. site is unlike the Plan in this case. The Texas ERISA plan specifically calls for arbitration if the claimant is unhappy with the results of the claims procedure, whereas the Plan at issue here does not.
III.
For the foregoing reasons, we conclude that the District Court erred in holding that the claim of the Individual Plaintiffs concerning the denial of disability benefits is subject to the Bristol CBA’s grievance procedures. We reverse the District Court’s grant of summary judgment to the Union and the Individual Plaintiffs and remand with instructions that summary judgment be entered for the Company and the Plan and for further proceedings on Count II.
Notes
. Subject matter jurisdiction on Count I is premised on Section 301 of the Labor Management Relations Act, 29 U.S.C. § 185.
. The Site-Wide Grievance states:
The Union is grieving the disability case management process. Liberty Mutual and Rohm and Haas have been engaged in a process that is clearly arbitrary and inconsistent with the provisions of the disability benefits program. Liberty Mutual and Rohm and Haas have denied disability benefits and terminated disability benefits without cause and in a manner inconsistent with the plan provisions. The Union wants to be made whole. Made whole includes, but is not limited [sic], administration of the plan as stipulated in the benefits [Summary Plan Description] dated June 1994, all current and past bargaining unit members to be made whole for all moneys and benefits lost, in addition to reimbursement for all costs resulting from the processing of any and all appeals of disability benefits denials.
. Although the production unit and the mechanical unit maintained separate collective bargaining agreements, the terms in the collective bargaining agreements relevant to this action are identical and are thus analyzed as if they were one agreement.
. While the parties have not explained the term "Disability Rate Protection Policy,” it does not appear to be a “disability benefit” provided under the Plan.
. "Disability Benefit” is defined as "a benefit provided under a Benefits Program (including, but not limited to, benefits provided by the Long-Term Disability Program) as a result of the disability of a Claimant. The terms and provisions, and conditions of eligibility thereto, are set forth in the Applicable Contract and Summary Plan Description for such benefit.”
.An "Applicable Contract” is defined as "any contract, agreement or other similar document pursuant to which Benefits are provided under a Benefit program. The terms of any such Applicable Contract, as in effect from time to time, are hereby incorporated into the Plan and each applicable Benefit Program.”
. The Plaintiffs argue that, to the extent that this Court is reviewing the District Court’s factual determination of the parties’ intent to arbitrate, the standard of review is clearly erroneous.
See Lukens Steel Co. v. United Steelworkers,
. See 29 U.S.C. § 159(a) ("Representatives designated or selected for the purposes of collective bargaining ... shall be the exclusive representatives of all the employees in *333 such unit for the purposes of collective bargaining in respect to rates of pay, wages, hours of employment, or other conditions of employment.”); Id. § 158(d) (mandatory subjects of collective bargaining include "wages, hours, and other terms and conditions of employment”); Id. § 152(9) (defining the term "labor dispute” to include any controversy regarding "terms, tenure or conditions of employment”).
. We recognize that the parties could have explicitly defined the phrase "working conditions” to encompass a broader meaning than that contemplated in these statutes. As the parties did not provide any definition of "working conditions” in the Bristol CBA, we believe that the cases interpreting "working conditions” under the Equal Pay Act and Occupational Health and Safety Act are instruc *334 tive, as they provide the definition as understood across the labor industry.
. The Union and the Individual Plaintiffs have produced summaries of previous negotiations from which they argue that disability benefits, or at least Accident and Sickness benefits, were the subject of collective bargaining between the Union and Company since 1966. Because the contractual language is not ambiguous, we do not think it necessary to examine extrinsic evidence to ascertain the parties' intent. Even were we to consider the negotiating history, we are still left with a Bristol CBA that simply contains no provisions defining the nature or extent of disability benefits, either directly or by reference to an extrinsic document.
. ERISA provides in 29 U.S.C. § 1133(2) that every employee benefit plan shall "afford a reasonable opportunity to any participant whose claim for benefits has been denied for a full and fair review by the appropriate named fiduciary of the decision denying the claim.” Several courts have upheld the inclusion of an arbitration clause in an ERISA plan as part of the review process.
See, e.g., Chappel v. Lab. Corp. of Am.,
For example, in
United Steelworkers of America
v.
Retirement Income Plan for Hourly-Rated Employees of ASARCO,
the Union sought to compel arbitration of "70/80” benefits provided under an ERISA plan.
