Linda Ruiz appeals the 10-year statutory minimum sentence the district court imposed pursuant to 21 U.S.C. § 841(b)(l)(B)(i). We AFFIRM.
Ruiz was one of a number of defendants charged in a multiple-count indictment. Count Two charged her with conspiracy to possess with intent to distribute heroin from October 1, 1989, through September 6, 1991, in violation of 21 U.S.C. §§ 841(a)(1) and 846. The government filed an Information of Prior Convictions pursuant to 21 U.S.C. § 851(a)(1) notifying Ruiz that she was subject to an enhanced penalty because of a prior state felony conviction for possession of a controlled substance. Ruiz pleaded guilty to Count Two in return for the government’s agreement to dismiss the remaining counts against her. In her plea agreement Ruiz acknowledged that the penalty for Count Two was 10 years to life in prison.
Ruiz was a member of a large heroin distribution conspiracy operating in Bryan, Texas. The leader of the conspiracy was Reynaldo Cantu-Castro (“Castro”). Ruiz was a heroin user who required three or four “hits” a day. During the almost two-year term of the conspiracy Ruiz was not lawfully employed. She supported her heroin addiction by trading sex and stolen merchandise to Castro for heroin and by acting as an intermediary between other members of the conspiracy and heroin buyers. 1
The PSR recited that on August 21,1990, a Texas Department of Public Safety investigator, acting undercover, met Ruiz for the purpose of buying cocaine. Ruiz contacted her supplier and told the agent that a cocaine purchase could be made later that day. When Ruiz explained to the agent that she had not purchased cocaine lately, but had been buying and using heroin, the agent asked Ruiz if she could obtain heroin for him. Ruiz told the agent that she could do so “with ease” and told the agent the price and place of delivery. The agent asked Ruiz to purchase three “papers” of heroin for him, and she agreed to do so. Ruiz then contacted Ernesto Escomilla, who worked as a runner for Castro, and Ruiz acted as an intermediary in the sale of .26 gram of heroin to the agent. 2 On September 10, 1990, the same agent again contacted Ruiz to buy heroin. Ruiz told the agent that heroin purchases would be no problem because there was “a lot” of heroin in the Bryan area. Ruiz quoted a price, and again acting as an intermediary between the agent and Escomilla, Ruiz sold the agent five papers of heroin weighing .37 gram. During this meeting she also offered to sell cocaine to the agent. 3
The PSR concluded that “[cjonsidering relevant conduct issues associated with Linda Ruiz,” she was “directly linked” to the distribution of .632 gram heroin on the two dates she sold it to the undercover agent. 4 Her base offense level under guideline § 2D1.1 was calculated at 12. 5 After crediting Ruiz for acceptance of responsibility the PSR calculated her total offense level at 10. 6 Given her criminal history category of IV the PSR concluded that Ruiz’s guideline range was 15 to 21 months. Although the PSR reported that other members of the conspiracy sold well in excess of 100 grams of heroin, 7 it neither mentioned guideline § IB 1.3 — which allows an upward adjustment to a defendant’s offense level based on conduct “for which the defendant would otherwise be accountable” — nor contained any discussion of *988 whether Ruiz’s offense level should be increased due to the conduct of co-conspirators. After describing the conspiracy and Ruiz’s conduct, the PSR merely concluded that “pursuant to statutory requirements, the guideline imprisonment range becomes the mandatory minimum sentence of 10 years.” 8
Although Ruiz filed an objection to a statement in the PSR that related to her criminal history score, she did not object to any other factual information in the PSR or to the PSR’s conclusion that the 10-year statutory minimum applied. At the June 19, 1992, sentencing hearing Ruiz acknowledged that a 10-year minimum applied. Without making separate findings regarding either the amount of heroin involved in the conspiracy or the amount of heroin attributable to Ruiz, the court adopted the PSR, sentenced Ruiz to 10 years in prison followed by 8 years of supervised release, and ordered her to pay a $50.00 special assessment. Ruiz now argues that the district court erred in imposing a 10-year sentence, erred in failing to make a specific finding regarding the amount of heroin for which she was responsible, and erred in failing to satisfy itself at the rearraignment that her plea was accurate with respect to the amount of heroin for which she would be held responsible at sentencing.
Since Ruiz failed to object to either the PSR or the district court’s sentence (and in fact agreed that the 10-year statutory minimum applied), the scope of our review is severely limited; we will not reverse unless we find plain error. Crim.R.Fed.P. 52(b);
United States v. Calverley,
One of the most familiar procedural rubrics in the administration of justice is the rule that the failure of a litigant to assert a right in the trial court likely will result in its forfeiture. “This practice is founded upon considerations of fairness to the court and to the parties and of the public interest in bringing litigation to an end after fair opportunity has been afforded to present all issues of law and fact.” In exceptional circumstances, appellate courts may, in the interests of justice, notice errors to which no objection has been made. Such circumstances are sharply circumscribed by the plain error standard requiring that unobjected-to errors be “plain” and “affect substantial rights.” Assuming that these requirements are met, appellate courts possess the discretion to decline to correct errors which do not “seriously affect the fairness, integrity, or public reputation of judicial proceedings.”
Calverley,
Our first task under this standard is to determine whether the district court committed an error in sentencing Ruiz to 10 years imprisonment. The starting place in our analysis is the statutory scheme under which Ruiz was convicted and sentenced. 21 U.S.C. § 846 provides that a person who “conspires to commit any offense defined in this subchapter shall be subject to the same penalties as those prescribed for the offense, the commission of which was the object of the ... conspiracy.” The object of the conspiracy for which Ruiz was convicted was possession with intent to distribute heroin in violation of 21 U.S.C. § 841(a). 21 U.S.C. § 841(b) states in pertinent part:
(b) Except as otherwise provided ... any person who violates subsection (a) of this section shall be sentenced as follows:
(1)(B) In the case of a violation of subsection (a) of this section involving—
(i) 100 grams or more of a mixture or substance containing a detectable amount of heroin:
such person shall be sentenced to a term of imprisonment which may not be less than 5 years and not more than 40 years.... If any person commits such a violation after one or more prior convictions for [a state or federal felony drug offense], such person shall be sentenced to a term of imprisonment which may not be less than *989 10 years and not more than life imprisonment ... (emphasis added)
For eases involving less than 100 grams of heroin, subsection (1)(C) prescribes a maximum sentence of 30 years with no mandatory minimum sentence for defendants who, like Ruiz, have one or more prior felony drug convictions.
Ruiz argues that the district court erred in imposing a 10-year sentence because the facts do not support a finding that her offense involved at least 100 grams of heroin. The quantity of drugs involved in a conspiracy offense is not an element of the offense, it is a fact to be found by the sentencing court from a preponderance of the evidence.
United States v. Watch,
The PSR informed Ruiz and the district court that Ruiz had been “directly linked” to the distribution of .632 gram of heroin. 9 It also detailed sales by co-conspirators of substantially more than 100 grams of heroin, explained Ruiz’s personal involvement in two sales, described her exchange of sex and stolen merchandise for heroin on other occasions, and recited Ruiz’s statements to the undercover officer that she could obtain heroin “with ease” and that heroin purchases would be no problem because there was “a lot” of heroin in the Bryan area. Presented with these facts, with the probation officer’s conclusion that the statutory 10-year minimum sentence applied, and with no objection from Ruiz, the district court had a sufficient basis for concluding both that Ruiz’s offense involved at least 100 grams of heroin and that the 10-year statutory minimum should properly be applied to her.
Moreover, even assuming that the facts in the PSR did not support the conclusion that Ruiz’s offense involved at least 100 grams of heroin and that the statutory minimum therefore applied, the district court could still have sentenced Ruiz to 10 years in prison. Had the court found that Ruiz’s offense involved only the .632 gram of heroin that she personally delivered to the undercover officer, Ruiz would have been sentenced under § 841(b)(1)(C). This statute providés a maximum sentence of 30 years for defendants who, like Ruiz, have at least one prior felony drug conviction. Because the 10-year sentence imposed by the district court is well below the maximum sentence to which Ruiz would otherwise have been subject, the district court did not plainly err in sentencing her to 10 years imprisonment.
United States v. Brunson,
Ruiz’s second argument, that the district court erred in failing to make a specific finding as to the amount of heroin attributable to her, presents a closer question. Fed. R.Crim.P. 32(c)(3)(D) requires district courts to make specific findings as to all “controverted matters” in a PSR.
10
In addition, our
*990
decisions addressing relevant conduct of co-conspirators under guideline § 1B1.3 impose an independent obligation on district courts to make findings as to the quantity of drugs in the conspiracy that was reasonably foreseeable to the defendant being sentenced.
United States v. Foy,
... In the case of criminal activity undertaken in concert with others, whether or not charged as a conspiracy, the conduct for which the defendant “would be otherwise accountable’ also includes conduct of others in furtherance of the execution of the jointly-undertaken criminal activity that was reasonably foreseeable by the defendant. Because a count may be broadly worded and include the conduct of many participants over a substantial period of time, the scope of the jointly-undertaken criminal activity, and hence relevant conduct, is not necessarily the same for every participant. Where it is established that the conduct was neither within the scope of the defendant’s agreement, nor was reasonably foreseeable in connection with the criminal activity the defendant agreed to jointly undertake, such conduct is not included in establishing the defendant’s offense level under this guideline. 11
For defendants who, like Ruiz, were sentenced under the 1991 guidelines, we explained that
reasonable foreseeability does not follow automatically from proof that [the defendant] was a member of the conspiracy. The reasonable foreseeability required [under the guidelines] requires a finding separate from a finding that the defendant was a conspirator. Thus, for a sentencing court to attribute to a defendant a certain quantity of drugs, the court must make two separate findings: (1) the quantity of drugs in the entire conspiracy, and (2) the amount which each defendant knew or should have known was involved in the conspiracy.
Puig-Infante,
The question presented by Ruiz’s second argument is whether the district court’s failure to make such findings was plain error under either Rule 32 or our precedent. “Deviation from a legal rule is ‘error’ unless the rule has been waived.”
Olano,
— U.S. at -,
We further conclude that under these facts Ruiz waived her right to complain of the failure of the district court to comply with our precedent requiring findings as to her relevant conduct in the conspiracy.
United States v. Garcia-Pillado,
Our research has turned up only one reported decision in which we held that a district court erred in failing to make sentencing findings in the absence of an objection by the defendant. In
United States v. Puma,
Moreover, even were we inclined to conclude that the district court’s failure to make findings as to Ruiz’s relevant conduct was error under our precedent, we conclude that it was not plain error. For an error to be “plain” it must be “clear” or “obvious.”
Olano,
— U.S. at -,
Furthermore, although we have required district courts to make separate findings as to a defendant’s relevant conduct in a drug conspiracy before increasing a defendant’s guideline offense level for the conduct of co-conspirators, we have not yet held that the standards for determining the guideline range must also be used for determining the applicability of a statutory minimum sentence.
We
have recognized, however, that the other circuit courts that have decided this issue have all held that the standards for determining the amount of drugs involved in conspiracy cases for purposes of applying the guidelines must also be used for purposes of applying the statutory mínimums prescribed by 21 U.S.C. § 841(b).
See United States v. Madkins,
Ruiz’s last argument is that the district court erred in failing to satisfy itself at the rearraignment that Ruiz’s plea was accurate with respect to the amount of heroin involved. Ruiz argues that Fed.R.CrimJP. 11 requires a district court determining whether to accept a guilty plea in a drug conspiracy to satisfy itself that there is a factual basis not only for the plea of guilty but also for any relevant conduct that would warrant an enhanced punishment. We reject this argument.
During Ruiz’s rearraignment the district court informed her of the elements of the conspiracy offense charged in Count Two and informed her that the offense to which she was pleading guilty “carries a minimum sentence of 10 years.”
17
Ruiz acknowledged— both in her oral statements to the district judge and in her written plea agreement— that the penalty range for the offense to which she was pleading guilty was 10 years to life in prison. After Ruiz admitted to twice delivering heroin to an undercover agent, the district court determined that there was an adequate factual basis for her
*993
guilty plea. The amount of drugs involved in a conspiracy is not an element of the offense, but an issue to be resolved by the court at sentencing.
E.g., Watch,
The judgment and sentence of the district court are AFFIRMED.
Notes
. Presentence Report ("PSR”) at ¶¶78 and 81.
. PSR at ¶¶ 24 and 25.
.PSR at n 29 and 30.
. PSR at ¶ 83.
. Section 2D 1.1 provides for a base offense level of 12 only when the quantity of heroin involved in an offense is less than. 5 grams.
. PSR at ¶¶ 83 and 90.
. E.g., PSR at ¶¶ 28, 37, 40, 45, 47, 53, and 56.
. PSR at ¶ 100.
. Neither the PSR nor the parties in their briefing have connected the term "directly linked” to any provision of the Sentencing Guidelines. Our research satisfies us that it is not a precise term but instead is a shorthand term meaning the amount of drugs attributable to a defendant’s own conduct. In
United States v. Ponce,
. Rule 32(c)(3)(D) states: If the comments of the defendant and the defendant's counsel or testimony or other information introduced by them allege any factual inaccuracy in the presen-tence investigation report or the summary of the report or part thereof, the court shall, as to each matter controverted, make (i) a finding as to the allegation, or (ii) a determination that no such finding is necessary because the matter controverted will not be taken into account in sentencing.
. Unless otherwise noted all citations are to the 1991
Guidelines Manual
in effect from November 1, 1991, through October 31, 1992. This version of the guidelines applies to Ruiz since she was sentenced on June 19, 1992.
See United States v. Ainsworth,
(i) in furtherance of the jointly undertaken criminal activity; and
(ii) reasonably foreseeable in connection with that activity.”
We have interpreted these amendments to require the district court to find not only the amount of drugs that the defendant could have reasonably foreseen, but also the scope of the conspiracy to which the defendant agreed.
E.g., Smith,
. Record (R.) 109.
.At all times relevant to this case Southern District Local Rule 17, "Guideline Sentencing” underscored this requirement. It provided:
D. Objections.
1. Within 10 days after disclosure of the initial report, counsel shall have delivered objections to the report in writing to the probation office.
2. Objections include alteration of the facts of the offense, application of the sentencing guidelines, and interpretation of them. A party not objecting must deliver a statement of non-objection to the probation office.
E. Final Report.
1. After the time for objections, the probation office shall promptly investigate and revise the initial report, as required. The probation office may require counsel to meet the officer to discuss disputed factual and legal issues.
2. Within 12 days after the time for objections, the probation office shall submit to the sentencing judge the final report, with an addendum of unresolved objections and the officer's comments on them. The final report shall contain a certificate that it has been disclosed to all counsel and that a copy has been filed under seal with the district clerk.
G. Effect. Except for objections in the addendum, the court may accept the final report as accurate. Absent a clear demonstration of good cause, no party shall be allowed at the time of sentencing to present other objections .... (emphasis added)
. R. 120. In a supplemental addendum to the PSR the probation officer concurred with Ruiz's objection and reduced her criminal history score from 8 to 7.
. The absence of a finding by the sentencing court of the amount of drugs reasonably foreseeable to a defendant is not always reversible error even if the defendant objects to the amount of drugs attributable to him in the PSR. In
Sparks,
.
See United States v. Irvin,
. Transcript of January 13, 1992, rearraignment at p. 7, Docket Entry No. 684. R.Vol. II.
