Tenneco Automotive, Inc. v. National Labor Relations Board , 716 F.3d 640 ( 2013 )


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  •  United States Court of Appeals
    FOR THE DISTRICT OF COLUMBIA CIRCUIT
    Argued November 20, 2012         Decided May 28, 2013
    No. 11-1314
    TENNECO AUTOMOTIVE, INC.,
    PETITIONER
    v.
    NATIONAL LABOR RELATIONS BOARD,
    RESPONDENT
    LOCAL 660, INTERNATIONAL UNION, UNITED AUTOMOBILE,
    AEROSPACE AND AGRICULTURAL IMPLEMENT WORKERS OF
    AMERICA, UAW,
    INTERVENOR
    Consolidated with 11-1353
    On Petition for Review and Cross-Application
    for Enforcement of an Order of
    the National Labor Relations Board
    Gregory J. Utken argued the cause for petitioner. With
    him on the briefs was Brian R. Garrison.
    2
    Glenn M. Taubman was on the brief for amicus curiae
    Lonnie Tremain in support of petitioner.
    Greg P. Lauro, Attorney, National Labor Relations
    Board, argued the cause for respondent. With him on the brief
    were John H. Ferguson, Associate General Counsel, Linda
    Dreeben, Deputy Associate General Counsel, Jill A. Griffin,
    Supervisory Attorney, and Jeffrey Burritt, Attorney.
    Stephen A. Yokich argued the cause and filed the brief for
    intervenor. Barbara J. Hillman entered an appearance.
    Before: ROGERS and TATEL, Circuit Judges, and
    EDWARDS, Senior Circuit Judge.
    Opinion for the Court filed by Senior Circuit Judge
    EDWARDS.
    EDWARDS, Senior Circuit Judge: This case arises from a
    protracted labor dispute between Tenneco Automotive, Inc.
    (“Tenneco” or “Company”) and Local 660, International
    Union, United Automobile, Aerospace, and Agricultural
    Implement Workers of America, UAW (“Union”). Tenneco
    designs, manufactures, and sells automotive products. From
    1945 until December 4, 2006, Tenneco recognized the Union
    as the exclusive bargaining agent for a unit of production and
    maintenance employees at the Company’s Grass Lake,
    Michigan facility. In 2004, Union and Company
    representatives pursued negotiations in an effort to reach a
    new collective bargaining agreement to replace the one that
    expired on May 12, 2004. Negotiations failed, however, and
    the Union called a strike on April 26, 2005. Tenneco
    continued operations by hiring permanent replacements, using
    employees who decided not to participate in the strike, and
    contracting out work to another employer.
    Relations between the parties soured during the strike and
    a number of incidents arose that brought the parties before the
    3
    National Labor Relations Board (“NLRB” or “Board”). The
    Union filed unfair labor practice charges with the Board on
    February 1 and 15, 2006. On February 10, 2006, some
    bargaining unit employees filed a decertification petition with
    the Board. That petition was held in abeyance pending
    resolution of the Union’s unfair labor practice charges.
    However, on December 4, 2006, a substantial majority of the
    unit employees presented another petition for decertification
    to the Company. Based on this second decertification petition,
    Tenneco gave notice that it would no longer recognize the
    Union as the employees’ bargaining agent.
    In the matter before the Board, the NLRB’s General
    Counsel sought to prove that Tenneco had committed multiple
    violations of Section 8 of the National Labor Relations Act
    (“Act”), 29 U.S.C. § 158, including, inter alia: Section 8(a)(1)
    for directing employees not to say or do anything that could
    “evoke a response” from other employees; Sections 8(a)(1)
    and (3) for disciplining employee Joseph Helton because of
    his pro-Union Activities; and Sections 8(a)(1) and (5) for
    refusing to provide the Union with information regarding the
    possible installation of video cameras in the workplace,
    unilaterally promulgating a rule requiring supervisory
    approval prior to the posting of signs, letters, or printed
    material at the Company’s facility, and withdrawing
    recognition of the Union. The Administrative Law Judge
    (“ALJ”) found that some of Tenneco’s challenged conduct
    violated the Act, but rejected many of the claims advanced by
    the NLRB’s General Counsel. See Tenneco Auto., Inc., 
    2008 WL 1786082
    (Apr. 16, 2008). Most significantly, the ALJ
    concluded the employees’ disaffection with the Union was not
    attributable to Tenneco’s unfair labor practices and, therefore,
    the Company’s withdrawal of recognition was lawful as of
    December 4, 2006. 
    Id. (citing Master Slack
    Corp., 
    271 N.L.R.B. 78
    (1984)). The General Counsel and the Union
    filed exceptions to the ALJ’s findings, and the Board ruled for
    4
    the Union on all unfair labor practice charges. With regard to
    the withdrawal of recognition, the Board held “that certain of
    the[] unfair labor practices tainted the [employees’] petition
    [for decertification], and that the withdrawal of recognition
    was therefore unlawful.” Tenneco Auto., Inc., 357 N.L.R.B.
    No. 84, 
    2011 WL 4590190
    , at *9 (Aug. 26, 2011). Tenneco
    now petitions this court for review, and the Board cross-
    petitions for enforcement of its order.
    We grant Tenneco’s petition for review with respect to
    the charge relating to the Company’s withdrawal of
    recognition. On the record before the court, there is no
    substantial evidence that the Company’s unfair labor practices
    “significantly contribute[d]” to the employees’ petition for
    decertification. See Williams Enters., Inc. v. NLRB, 
    956 F.2d 1226
    , 1234 (D.C. Cir. 1992). However, with respect to the
    remaining disputed unfair labor practice charges, we grant the
    Board’s cross-application for enforcement. Although the
    Company has raised vigorous challenges to the Board’s
    holdings, we find substantial evidence to support the Board’s
    determinations that Tenneco’s conduct violated Sections
    8(a)(1), (3), and (5) of the Act. See Bally’s Park Place, Inc. v.
    NLRB, 
    646 F.3d 929
    , 935 (D.C. Cir. 2011) (“[T]he Board is to
    be reversed only when the record is so compelling that no
    reasonable factfinder could fail to find to the contrary.”).
    I. Background
    A. Facts
    Tenneco has a prototype engineering facility at Grass
    Lake, Michigan, where the Union represented between thirty
    and forty employees. On April 26, 2005, following failed
    collective bargaining negotiations, the Union commenced an
    economic strike. Some employees resigned from the Union
    and chose not to strike. The Union excused one unit
    employee, Joseph Helton, and allowed him to continue
    5
    working during the strike. Ten employees resigned from the
    Union and crossed the picket line during the strike. As the
    strike continued, Tenneco hired sixteen permanent
    replacements for strikers.
    On August 29, 2005, Union Representative James Walker
    was informed that Tenneco planned to install video cameras
    in its test lab due to alleged incidents of tampering with
    Company property. The Union contended that installation of
    video devices in the workplace is a mandatory subject of
    bargaining and requested documentation of the alleged
    tampering so that it could bargain effectively. Tenneco never
    responded and ultimately decided against the installation of
    video cameras.
    On January 19, 2006, while the strike was still ongoing,
    Helton wore a tee shirt to work displaying the slogan, “Thou
    Shall Not Scab.” Company Supervisor Dan Eggleston told
    Helton to change his shirt because, he believed, some
    employees would not like the message. Instead, Helton
    covered the word “scab” with a piece of tape on which he had
    written the word “steal,” so that the slogan read, “Thou Shall
    Not Steal.” Eggleston objected to this message and told
    Helton to tape over the word “steal.” Helton taped over
    “steal” and wrote the words “be a low life” on the new piece
    of tape. Eggleston again objected, and ordered Helton to tape
    over the slogan and leave it blank. After further discussion,
    Helton and Eggleston agreed that Helton should go home for
    the day. The next day, Helton received a written reprimand
    for wearing the “scab” slogan on his shirt and then altering
    the message to “goad fellow employees inappropriately and
    unnecessarily.” Br. for NLRB at 9.
    On January 27, 2006, Walker requested information
    about the persons hired as striker replacements, including
    their home addresses. Tenneco declined to provide the
    addresses because of concerns that the Union might use the
    6
    information to harass or intimidate the replacement workers at
    their homes. Tenneco sent a letter reminding the Union that it
    already had multiple means of communicating directly with
    replacements by posting notices on the Union bulletin board
    and by having the Union President, Vice President, and
    Steward (all of whom were working in the Company facility)
    interact with the replacements before and after working hours
    and during breaks. The Union later explained that, because
    the replacements were permanent employees and thus
    members of the unit, it needed the contact information to be
    able to communicate with these employees about working
    conditions, collective bargaining proposals, grievances, and
    other representational matters. Walker claimed that “mailing
    addresses are the only practical way for the Union to
    communicate with these bargaining unit members in a private
    fashion that cannot be monitored by Tenneco.” Br. for NLRB
    at 10.
    On January 27, 2006, after ten months of striking, the
    Union made an unconditional offer to have the striking
    employees return to work. The first four strikers returned on
    February 6, 2006, and Company Manager, Mark Kortz, held a
    meeting with all employees at the start of the shift. The work
    force then consisted of permanent striker replacements,
    returning strikers, and employees who had previously
    abandoned the strike. During his presentation, Kortz
    instructed the employees to refrain from inciting tensions. He
    amplified by saying that employees should “not . . . engage in
    taunting, verbal or physical threats, or in other conduct that is
    confrontational or meant to evoke a response from a co-
    worker.” Tenneco Auto., Inc., 
    2011 WL 4590190
    , at *7. Kortz
    also instructed employees not to post items in their work areas
    without approval. He made no reference to postings on
    bulletin boards. Following the February 6, 2006 meeting,
    Union officers posted items on bulletin boards, including
    notices of Union meetings, and employees also continued to
    7
    post items on the employee bulletin board. Union officers also
    communicated directly with the striker replacements without
    interference.
    On December 4, 2006, an employee presented Tenneco
    with a petition signed by seventy-seven percent of the
    employees (twenty-four out of the thirty-one bargaining unit
    employees) asking Tenneco to withdraw recognition from the
    Union. After verifying the signatures on the petition, Tenneco
    notified the Union that it had received the petition and that it
    was withdrawing recognition of the Union.
    B. Proceedings Below
    After the Union filed unfair labor practice charges, the
    Board’s Regional Director issued a consolidated complaint
    against Tenneco on July 31, 2007. The complaint alleged that
    Tenneco, throughout the course of the strike and upon its
    withdrawal of Union recognition, had committed multiple
    violations of Sections 8(a)(1), (3), and (5) of the Act. 29
    U.S.C. § 158(a)(1), (3), (5).
    In October, 2007, a three-day hearing was held before an
    ALJ. The ALJ found that Tenneco’s denial of the Union’s
    request for the replacement workers’ home addresses was
    permissible; that the discipline of Helton over the tee shirt
    incident did not constitute an unfair labor practice; that
    Kortz’s instruction not to “evoke a response” was reasonable;
    that Kortz did not create a new posting rule without first
    consulting with the Union; and that, while Tenneco’s denial
    of the Union’s request for information about the installation
    of security cameras violated the Act, “under the
    circumstances,” the violation was “very close to de minimus
    [sic],” because the cameras were never installed. Tenneco
    Auto., Inc., 
    2008 WL 1786082
    . The ALJ credited several
    other allegations of unfair labor practices that were not
    discussed by the Board and are not before this court. Most
    8
    significantly, the ALJ concluded that Tenneco’s withdrawal
    of Union recognition on December 4, 2006, was lawful. The
    ALJ predicated his decision on an application of “the Master
    Slack analytical framework [for] determining whether there is
    [a] causal relationship between the unfair labor practices and
    the employees’ disaffection with the Union.” 
    Id. (relying on Master
    Slack, 271 N.L.R.B. at 84
    ). In the ALJ’s view, such a
    causal relationship was lacking.
    On August 26, 2011, the Board rejected most of the
    ALJ’s proposed findings. The Board agreed with the ALJ that
    Tenneco’s failure to respond to the Union’s request for
    information about the proposed installation of a security
    camera was an unfair labor practice; however, the Board
    rejected the ALJ’s characterization of that violation as de
    minimis because the request was still relevant at the time it
    was made. Tenneco Auto., Inc., 
    2011 WL 4590190
    , at *2. The
    Board found that Tenneco’s failure to provide the replacement
    workers’ home addresses violated the Act because there was
    no “clear and present danger” that the Union would misuse
    the information. 
    Id. at *3-4. The
    Board also found that
    Tenneco’s discipline of Helton for the tee shirt incident
    violated the Act because “Helton’s protected conduct was a
    motivating factor in the Respondent’s decision to issue the
    discipline, and . . . the evidence fails to show that the
    Respondent would have disciplined Helton in the absence of
    his protected activity.” 
    Id. at *4-6. The
    Board also held that Kortz’s direction to employees
    not to say or do anything that could “evoke a response”
    constituted another violation of the Act. The majority opinion
    for the Board noted:
    The dissent suggests that the only reasonable
    interpretation of Kortz’s statement is as a directive
    against threatening conduct not protected by the Act. In
    so doing, however, it ignores the fact that the statement
    9
    was made in the context of Kortz describing the work
    force in terms of strike status—those who crossed the
    picket line, permanent replacements, and reinstated
    strikers. Given this context, and absent any reference to
    unprotected employee conduct, it is simply not
    reasonable to conclude that employees would narrowly
    interpret the statement to exclude all Section 7 activity.
    
    Id. at *8 (referring
    to 29 U.S.C. § 157, which protects the
    right of employees “to engage in other concerted activities for
    the purpose of collective bargaining”). The Board further held
    that Kortz’s announcement about the posting of signs in the
    workplace violated the Act because Tenneco’s “longstanding
    practice allowed employees to freely post materials without
    obtaining prior approval,” and thus “Kortz’s announcement
    declared a substantial change to this past practice.” 
    Id. at *8. In
    light of these findings, the Board concluded that
    Tenneco improperly withdrew recognition of the Union. The
    Board rejected the ALJ’s application of Master Slack and
    concluded “that certain of the[] unfair labor practices
    [committed by Tenneco] tainted the petition” for
    decertification. 
    Id. at 9. Because
    the Board found that the
    employer’s illegal conduct was responsible for the
    employees’ disaffection with the Union, it held that the
    withdrawal was unlawful. 
    Id. at 9-10. Tenneco
    now petitions this court for review of the
    Board’s decision and the NLRB and the Union have cross-
    applied for enforcement.
    10
    II. Analysis
    A. Standard of Review
    “As we have noted many times before, our role in
    reviewing an NLRB decision is limited. We must uphold the
    judgment of the Board unless, upon reviewing the record as a
    whole, we conclude that the Board’s findings are not
    supported by substantial evidence, or that the Board acted
    arbitrarily or otherwise erred in applying established law to
    the facts of the case.” Wayneview Care Ctr. v. NLRB, 
    664 F.3d 341
    , 348 (D.C. Cir. 2011). We owe “substantial
    deference” to inferences drawn by the Board from the factual
    record. Halle Enters., Inc. v. NLRB, 
    247 F.3d 268
    , 271 (D.C.
    Cir. 2001). “When the Board concludes that a violation of the
    [Act] has occurred, we must uphold that finding unless it has
    no rational basis or is unsupported by substantial evidence. It
    is not necessary that we agree that the Board reached the best
    outcome in order to sustain its decisions. The Board’s
    findings of fact are conclusive when supported by substantial
    evidence on the record considered as a whole.” Bally’s Park
    
    Place, 646 F.3d at 935
    (citations and quotations omitted).
    Furthermore, substantial evidence review does not
    change when the Board disagrees with the ALJ. Local 702,
    IBEW v. NLRB, 
    215 F.3d 11
    , 15 (D.C. Cir. 2000). In such
    situations, the Supreme Court has instructed that an ALJ’s
    findings should not be given “more weight than in reason and
    in the light of judicial experience they deserve.” Universal
    Camera Corp. v. NLRB, 
    340 U.S. 474
    , 496 (1951). This
    means “that evidence supporting a conclusion may be less
    substantial when an impartial, experienced [ALJ] who has
    observed the witnesses and lived with the case has drawn
    conclusions different from the Board’s than when [the ALJ
    and the agency have] reached the same conclusion.” 
    Id. However, an ALJ’s
    findings “are to be considered along with
    the consistency and inherent probability of testimony,” and
    11
    the significance of the findings will depend “largely on the
    importance of credibility in the particular case.” 
    Id. When the Board
    and ALJ disagree, the Board’s obligation is to “make
    clear the basis of its disagreement.” Local 702, 
    IBEW, 215 F.3d at 15
    . “[S]ince the Board is the agency entrusted by
    Congress with the responsibility for making findings under
    the statute, it is not precluded from reaching a result contrary
    to that of the [ALJ] when there is substantial evidence in
    support of each result, and is free to substitute its judgment
    for the [ALJ]’s.” 
    Id. The obligation of
    the reviewing court is to assess the
    “whole record,” meaning that our analysis must consider not
    only the evidence supporting the Board’s decision but also
    “whatever in the record fairly detracts from its weight.”
    Universal Camera 
    Corp., 340 U.S. at 488
    ; see also CitiSteel
    USA, Inc. v. NLRB, 
    53 F.3d 350
    , 354 (D.C. Cir. 1995). A
    reviewing court must “ask whether a reasonable mind might
    accept a particular evidentiary record as adequate to support a
    conclusion.” Dickinson v. Zurko, 
    527 U.S. 150
    , 162 (1999).
    B. Insubstantial Challenges Raised by the Company
    As noted above, the parties’ dispute has narrowed to six
    contested issues. Those issues are whether the Company
    committed unfair labor practices when (1) it disciplined
    employee Joseph Helton because of his pro-Union activities;
    (2) refused to provide the Union with the home addresses of
    the striker-replacement employees; (3) refused to provide the
    Union with information regarding the planned installation of
    video cameras in the workplace; (4) directed employees not to
    say or do anything that could “evoke a response” from other
    employees; (5) unilaterally promulgated a rule requiring
    supervisory approval prior to the posting of material at the
    Company’s facility; and (6) withdrew recognition of the
    Union. We grant the Board’s cross-petition for enforcement
    as to the first five charges. The Board’s decision on these
    12
    matters speaks for itself and needs no amplification by the
    court. See W.C. McQuaide, Inc. v. NLRB, 
    133 F.3d 47
    , 49
    (D.C. Cir. 1998) (noting that there is no reason for the court to
    address certain disputed matters when “the company’s . . .
    challenges are met by sufficient evidence in the record to
    support the Board's findings”).
    After careful review of the record and the parties’
    arguments, we uphold the Board’s findings that:
    [Tenneco] violated Section 8(a)(1) of the Act by directing
    employees to refrain from saying anything to each other
    that might be deemed offensive or evoke a response from
    another employee. [Tenneco] violated Section 8(a)(3) and
    (1) of the Act by issuing a written warning to employee
    Joseph Helton because of his support for and activities on
    behalf of the Union. [Tenneco] violated Section 8(a)(5)
    and (1) of the Act by (a) Failing and refusing to furnish
    the Union with requested information regarding the
    planned installation of video cameras . . . . (c) Failing and
    refusing to furnish the Union with requested information
    concerning the home addresses of the . . . permanent
    replacement employees. . . . (e) Promulgating a rule
    requiring supervisory approval prior to the posting of
    signs, letters, or printed material . . . .
    Tenneco Auto., Inc., 
    2011 WL 4590190
    , at *11. These
    findings are supported by substantial evidence and are
    consistent with established precedent.
    We now turn to the Board’s finding that Tenneco
    committed an unfair labor practice when it withdrew
    recognition of the Union. Because, for the reasons indicated
    below, we find no substantial evidence to support this charge,
    we grant the Company’s petition for review.
    13
    C. Tenneco’s Withdrawal of Union Recognition
    When an employer has objective evidence that a union
    has lost majority support, such as “a petition signed by a
    majority of the employees in the bargaining unit,” it may
    unilaterally withdraw recognition. Highlands Hosp. Corp. v.
    NLRB, 
    508 F.3d 28
    , 31 (D.C. Cir. 2007) (quoting Levitz
    Furniture Co. of the Pac., 
    333 N.L.R.B. 717
    , 725 (2001)). But
    an employer may not rely on an employee petition “when the
    employer’s unfair labor practices significantly contribute to
    the loss of majority status by undercutting the employees’
    support of the union.” Williams 
    Enters., 956 F.2d at 1234
    .
    The Board has explained that “not every unfair labor
    practice will taint evidence of a union’s subsequent loss of
    majority support.” Lexus of Concord, Inc., 
    343 N.L.R.B. 851
    ,
    852 (2004). Thus, the Board has the burden of adducing
    substantial evidence to support its finding that an employer’s
    unfair labor practices have “significantly contributed” to the
    erosion of a union’s majority support. See Quazite Div. of
    Morrison Molded Fiberglass Co. v. NLRB, 
    87 F.3d 493
    , 496
    (D.C. Cir. 1996). In Master Slack, the Board set out a four-
    factor test to determine whether “the unfair labor practices . . .
    have caused the employee disaffection [with the Union] or at
    least had a meaningful impact in bringing about that
    
    disaffection.” 271 N.L.R.B. at 84
    . The Board’s four-factor
    test, which we have endorsed, includes consideration of:
    (1) The length of time between the unfair labor practices
    and the employee petition; (2) the nature of the unfair
    labor practices, including whether they are of a nature
    that would cause a detrimental or lasting effect on the
    employees; (3) the tendency of the unfair labor practices
    to cause employee disaffection with the union; and
    (4) the effect of the unlawful conduct on the employees’
    morale, organizational activities, and membership in the
    union.
    14
    Williams 
    Enters., 956 F.2d at 1236
    (citing Master 
    Slack, 271 N.L.R.B. at 84
    )).
    Both the ALJ and the Board applied the Master Slack
    factors and arrived at opposite conclusions. However, the
    Board’s judgment is infirm because it disregards material
    evidence that belies any causal relationship between the
    Company’s unfair labor practices and the employees’ petition
    for decertification. Recognizing that “[t]he substantiality of
    evidence must take into account whatever in the record fairly
    detracts from its weight,” Universal Camera 
    Corp., 340 U.S. at 488
    , we conclude that on the record before us the Board’s
    determination is not supported by substantial evidence.
    First, it is highly significant that ten months passed
    between the last credited unfair labor practice and the
    submission of the employees’ petition for decertification.
    “The length of time between the unfair labor practices and the
    withdrawal of recognition” is the first of the four Master
    Slack 
    factors, 271 N.L.R.B. at 84
    , and it is obviously an
    important consideration. This temporal factor typically is
    counted as weighty only when it involves a matter of days or
    weeks. See, e.g., Bunting Bearings Corp., 
    349 N.L.R.B. 1070
    ,
    1072 (2007) (eight to fifteen days was “close temporal
    proximity”); Miller Waste Mills, Inc., 
    334 N.L.R.B. 466
    , 468
    (2001) (“close temporal proximity” when unfair labor
    practices occurred two to six weeks before petition for
    withdrawal). However, a lapse of months fails to support, and
    typically weighs against, a finding of close temporal
    proximity. See, e.g., Garden Ridge Mgmt., Inc., 
    347 N.L.R.B. 131
    , 134 (2006) (five-month delay weighed against finding
    that unfair labor practices caused employee sentiment against
    Union); Lexus of Concord, 
    Inc., 343 N.L.R.B. at 852
    (no
    temporal proximity when lapse was three months). Here, even
    the NLRB admitted in its decision that ten months is “a
    relatively long period.” Tenneco Automotive, Inc., 
    2011 WL 15
    4590190, at *10. The Board maintained, however, that “the
    nature of some of the violations would tend to have a lasting
    detrimental effect on the employees’ view of the Union,”
    particularly Tenneco’s refusal to provide the addresses of the
    replacement workers. 
    Id. In the Board’s
    view, this and other
    unfair labor practices “depriv[ed] the Union of opportunities
    to meaningfully address any lingering feelings of disconnect
    that would naturally exist in the aftermath of a contentious
    and divisive strike.” 
    Id. But for reasons
    explained below, the
    cited conduct did not constitute the type of unfair labor
    practices that the Board has historically characterized as
    “detrimental or lasting.”
    The second Master Slack factor is “the nature of the
    illegal acts, including the possibility of their detrimental or
    lasting effect on 
    employees.” 271 N.L.R.B. at 84
    . The third
    factor is “any possible tendency to cause employee
    disaffection from the union.” 
    Id. These factors obviously
    are
    related because unfair labor practices that have a lasting
    effects on employees are likely to be serious enough to cause
    disaffection with a union. The NLRB relied on four alleged
    unfair labor practices to show these adverse consequences:
    Tenneco’s refusal to provide the Union with the addresses of
    replacement employees; Kortz’s admonition to employees to
    avoid having discussions that could “evoke a response”; the
    requirement that employees obtain supervisor permission
    before posting materials in the Company facility; and
    Tenneco’s discipline of union advocate Helton. See Tenneco
    Auto., Inc., 
    2011 WL 4590190
    , at *9-10. No violation of the
    Act is insignificant; but these violations were hardly
    “hallmark violations that were highly coercive and likely to
    remain in the memories of employees for a long time.” Goya
    Foods of Fla., 
    347 N.L.R.B. 1118
    , 1121 (2006).
    The Board has consistently held that the types of
    violations that have detrimental and lasting effects are those
    16
    involving coercive conduct such as discharge, withholding
    benefits, and threats to shutdown the company operation. See,
    e.g., 
    id. at 1121-22 (discharging
    three union adherents and
    suspending another were “hallmark violations”); JLL Rest.,
    Inc., 
    347 N.L.R.B. 192
    , 193 (2006) (threatening employees
    with closure and job loss); Beverly Health and Rehab. Serv.,
    Inc., 
    346 N.L.R.B. 1319
    , 1328-29 (2006) (discharging active
    union supporter and unilaterally changing hours and
    vacation); Overnite Transp. Co., 
    333 N.L.R.B. 1392
    , 1394
    (2001) (hallmark violations included “the granting of an
    unprecedented wage increase, as well as threats that
    employees would lose their jobs and that the Employer would
    close if the employees selected the Union”). The unfair labor
    practices alleged in this case do not rise to these levels.
    This court has agreed with the Board that “the unilateral
    implementation of changes in working conditions has the
    tendency to undermine confidence in the employees’ chosen
    collective-bargaining agent.” Vincent Indus. Plastics, Inc. v.
    NLRB, 
    209 F.3d 727
    , 738 (D.C. Cir. 2000). However, to be
    considered “hallmark violations,” such unilateral changes
    must normally involve the “issues that lead employees to seek
    union representation,” particularly employee earnings. Goya
    
    Foods, 347 N.L.R.B. at 1122
    ; see also M & M Auto. Grp.,
    Inc., 
    342 N.L.R.B. 1244
    , 1247 (2004) (taint found where the
    employer’s “unilateral changes involved the important, bread-
    and-butter issues of wage increases and promotions for which
    employees seek and gain union representation”). Considered
    against this standard, the unilateral changes in workplace
    policy cited by the Board – a new rule regarding the posting
    of materials in the workplace and an admonition to avoid
    having hostile discussions that could “evoke a response” from
    other employees – did not risk having a “detrimental or
    lasting effect on employees.” Master 
    Slack, 271 N.L.R.B. at 84
    . Indeed, the record makes it clear that both employees and
    Union officials continued to post notices on bulletin boards
    17
    without first obtaining permission from the Company; and
    Union officials freely talked with unit employees about work
    conditions and Union activities without interference from the
    Company.
    Nor did the discipline of Helton rise to the level of
    “detrimental or lasting.” Helton received only a mild
    reprimand in the form of written counseling. And this was the
    only disciplinary action recorded prior to the Company’s
    withdrawal of Union recognition. See Tenneco Auto., Inc.,
    
    2008 WL 1786082
    .
    Likewise, there is no substantial evidence that Tenneco’s
    failure to supply the replacements’ home addresses had
    detrimental effects of the sort that the Board has described in
    cases involving “hallmark violations.” Union officials worked
    in the Company facility, the bargaining unit was relatively
    small, and Union officials had routine and easy access to all
    unit employees. This access did not excuse the Company’s
    failure to provide the Union with the addresses of the striker
    replacements, but there is nothing in the record to indicate
    that the Company’s failure resulted in “detrimental or lasting”
    effects sufficient to cause a large majority of the employees to
    sign a decertification petition.
    The Board also failed to establish by substantial evidence
    that the alleged unfair labor practices in this case actually
    prevented communications between the employees and the
    Union. Thus, the Board fails to satisfy the fourth Master Slack
    factor by articulating what, if any, effect “the unlawful
    conduct [had] on employees morale, organizational activities,
    and membership in the 
    union.” 271 N.L.R.B. at 84
    . The Board
    claims that the alleged unfair labor practices were particularly
    problematic because they “illustrate[] the [Company’s]
    hostility toward the free expression of employee views about
    union matters, and show[] a determination to prevent the
    occurrence of protected prounion speech in its workplace.”
    18
    Tenneco Auto., Inc., 
    2011 WL 4590190
    , at *10. But the
    evidence does not support this claim. The Union introduced
    testimony that “the Company’s new rules effectively stifled
    both the Union’s and the employees’ ability to discuss union
    related matters.” Tenneco Auto., Inc., 
    2008 WL 1786082
    .
    However, the ALJ discredited this testimony and found as a
    factual matter that between the bulletin board and direct
    conversations, “the Union had ample opportunity to present to
    the replacements its side of the strike, the need for union
    representation, and the progress of the negotiations that were
    ongoing.” 
    Id. Indeed, the ALJ
    found that “the returning
    strikers could and did speak amicably and about union matters
    with some of the replacement workers while at work.” 
    Id. The Board never
    rejected the ALJ’s credibility determinations
    regarding this testimony.
    We do not hold that “hallmark violations” are always
    necessary to satisfy Master Slack. Nor do we mean to hold
    that an employer’s interference with communications between
    a union and unit employees cannot have a detrimental or
    lasting effect on employees. Rather, we simply hold that, on
    this record, there is no substantial evidence to support the
    Board’s finding of a causal relationship between the
    Company’s unfair labor practices and the employees’ petition
    for decertification.
    In addition, the Board’s assessment of the facts leading
    up to the withdrawal petition is self-contradictory. At one
    point in its opinion, the Board asserts that the Company’s
    conduct “significantly interfered with protected speech among
    its employees.” Tenneco Auto., Inc., 
    2011 WL 4590190
    , at
    *10. Yet, elsewhere the Board explained that “the record
    reveals that at least some replacement employees were on
    friendly terms with the union officials who were reinstated
    after the strike.” 
    Id. at 3. Given
    the small size of the company
    facility (which facilitated communications between the Union
    19
    and unit employees) and the failure of the Board to address
    the ALJ’s finding that the employees had ample opportunity
    to communicate with and about the Union, the Board has not
    met its burden under the substantial evidence standard to
    prove a causal connection.
    Finally, it is noteworthy that the ALJ heard and credited
    testimony from nine of the petition-signing employees that
    “the Company had done nothing to influence their decision.”
    Tenneco Auto., Inc., 
    2008 WL 1786082
    . We understand that
    such testimony is not necessarily dispositive because it may
    be nothing more than the product of employer intimidation.
    Nevertheless, such testimony must be assessed on a case-by-
    case basis, especially when an ALJ has made credibility
    findings. See Universal Camera 
    Corp., 340 U.S. at 496
    (“The
    significance of [the ALJ’s] report, of course, depends largely
    on the importance of credibility in the particular case.”). The
    Board is free to reject the ALJ’s determinations, but it must
    “make clear the basis of its disagreement.” Local 702, 
    IBEW, 215 F.3d at 15
    . After listening to the employees’ testimony,
    the ALJ found that
    the General Counsel did not establish that the [petition]
    signers’ disaffection with the Union was attributable to
    the [unfair labor practice] allegations that had been
    pending for over a year. In point of fact, it would be my
    finding and conclusion that the [unfair labor practices] in
    this case had essentially nothing to do with the signers’
    decision to petition for withdrawal of recognition of the
    Union. . . . [A]s I observed and heard them, [the
    employees’] morale as such was elevated based on their
    decision to disassociate from the Union.
    Tenneco Auto., Inc., 
    2008 WL 1786082
    . The Board, in turn,
    simply ignored the signing employees’ testimony without any
    explanation. Because the Board never explained any basis for
    disagreement with the ALJ’s findings, we have taken the
    20
    findings into account in assessing whether there is substantial
    evidence to support the Board’s judgment.
    The foregoing considerations, in combination, forcefully
    contradict the Board’s errant conclusion – based on a
    shortsighted assessment of the evidence – that Tenneco
    violated the Act when it withdrew recognition of the Union.
    Considering the whole record, we think it apparent that
    substantial evidence does not support the Board’s finding that
    Tenneco’s conduct tainted the decision of the employees’ to
    sign a petition for decertification.
    D. The Board’s Affirmative Bargaining Order
    The Board ordered Tenneco to, inter alia, “recognize
    and, on request, bargain with the Union as the exclusive
    collective-bargaining representative of the employees in the
    bargaining unit.” Tenneco Auto., Inc., 
    2011 WL 4590190
    , at
    *12. The Board determined “that an affirmative bargaining
    order is warranted in this case as a remedy for the
    [Company’s] unlawful withdrawal of recognition.” 
    Id. Before this court,
    the Board argues that “Tenneco failed to challenge
    this bargaining order before the Board, and therefore the
    Court lacks jurisdiction to consider Tenneco’s challenge to
    the remedy now.” Br. for NLRB at 58 (citing Section 10(e) of
    the Act, 29 U.S.C. § 160(e)). We disagree.
    Before the Board, Tenneco clearly opposed the unfair
    labor practice charge based on its alleged withdrawal of
    recognition. And the Company preserved this challenge in its
    petition for review in this court. The Board’s decision makes
    it clear that the sole basis for the Board’s bargaining order is
    Tenneco’s alleged “unlawful withdrawal of recognition.”
    Because we have found that no substantial evidence supports
    the Board’s finding of an unfair labor practice, there is no
    longer any basis for the bargaining order. Obviously, the
    21
    sanction for an unfair labor practice cannot survive once the
    Board’s finding of an unfair labor practice has been reversed.
    III. Conclusion
    With respect to its withdrawal of recognition, we grant
    Tenneco’s petition for review and deny the Board’s cross-
    application for enforcement. The Board’s decision regarding
    the withdrawal of recognition is reversed and the
    accompanying bargaining order is vacated.
    Tenneco does not contest the Board’s findings that it
    violated Section 8(a)(5) and (1) of the Act by refusing to
    provide the Union with requested information concerning
    Joseph Helton’s discipline and work performed by an outside
    contractor during the strike, and refusing to process Steven
    Prysianzy’s grievance to the third step. We therefore grant the
    Board’s request for summary enforcement of its Order with
    respect to these violations. With respect to the other unfair
    labor practice charges at issue in this case, we deny Tenneco’s
    petition for review and grant the Board’s cross-application for
    enforcement.